cpython-lru_cache-weakref: Modules/signalmodule.c annotate

annotate Modules/signalmodule.c @ 5817:48b94de85bf3 legacy-trunk

Extensive changes by AMK.

author	Guido van Rossum <guido@python.org>
date	Thu, 17 Jul 1997 16:29:42 +0000
parents	996079744566
children	3e158e69ac5d

rev	line source
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	1 /***********************************************************
2061 172ba04a5191 Added 1995 to copyright message. Guido van Rossum <guido@python.org> parents: 2055 diff changeset	2 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
172ba04a5191 Added 1995 to copyright message. Guido van Rossum <guido@python.org> parents: 2055 diff changeset	3 The Netherlands.
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	4
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	5 All Rights Reserved
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	6
4503 65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	7 Permission to use, copy, modify, and distribute this software and its
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	8 documentation for any purpose and without fee is hereby granted,
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	9 provided that the above copyright notice appear in all copies and that
4503 65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	10 both that copyright notice and this permission notice appear in
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	11 supporting documentation, and that the names of Stichting Mathematisch
4503 65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	12 Centrum or CWI or Corporation for National Research Initiatives or
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	13 CNRI not be used in advertising or publicity pertaining to
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	14 distribution of the software without specific, written prior
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	15 permission.
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	16
4503 65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	17 While CWI is the initial source for this software, a modified version
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	18 is made available by the Corporation for National Research Initiatives
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	19 (CNRI) at the Internet address ftp://ftp.python.org.
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	20
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	21 STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	22 REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	23 MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	24 CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	25 DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	26 PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	27 TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 3654 diff changeset	28 PERFORMANCE OF THIS SOFTWARE.
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	29
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	30 ******************************************************************/
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	31
2055 cf31eab6ab5a Another bulky set of minor changes. Guido van Rossum <guido@python.org> parents: 1888 diff changeset	32 /* Signal module -- many thanks to Lance Ellinghaus */
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	33
5287 5af766a1b531 Tweaks to keep the Microsoft compiler quier. Guido van Rossum <guido@python.org> parents: 5101 diff changeset	34 /* XXX Signals should be recorded per thread, now we have thread state. */
5af766a1b531 Tweaks to keep the Microsoft compiler quier. Guido van Rossum <guido@python.org> parents: 5101 diff changeset	35
1888 be956b1efb97 * various modules: #include "Python.h" and remove most remporary Guido van Rossum <guido@python.org> parents: 1867 diff changeset	36 #include "Python.h"
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	37 #include "intrcheck.h"
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	38
5287 5af766a1b531 Tweaks to keep the Microsoft compiler quier. Guido van Rossum <guido@python.org> parents: 5101 diff changeset	39 #ifdef MS_WIN32
5af766a1b531 Tweaks to keep the Microsoft compiler quier. Guido van Rossum <guido@python.org> parents: 5101 diff changeset	40 #include <process.h>
5af766a1b531 Tweaks to keep the Microsoft compiler quier. Guido van Rossum <guido@python.org> parents: 5101 diff changeset	41 #endif
5af766a1b531 Tweaks to keep the Microsoft compiler quier. Guido van Rossum <guido@python.org> parents: 5101 diff changeset	42
4600 d36250aefb82 Keep gcc -Wall happy. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	43 #ifdef HAVE_UNISTD_H
d36250aefb82 Keep gcc -Wall happy. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	44 #include <unistd.h>
d36250aefb82 Keep gcc -Wall happy. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	45 #endif
d36250aefb82 Keep gcc -Wall happy. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	46
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	47 #include <signal.h>
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	48
1678 1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	49 #ifndef SIG_ERR
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	50 #define SIG_ERR ((RETSIGTYPE (*)())-1)
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	51 #endif
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	52
2055 cf31eab6ab5a Another bulky set of minor changes. Guido van Rossum <guido@python.org> parents: 1888 diff changeset	53 #ifndef NSIG
5101 2497c8b04101 djgpp fix (SIGMAX). Guido van Rossum <guido@python.org> parents: 5020 diff changeset	54 #ifdef _SIGMAX
2055 cf31eab6ab5a Another bulky set of minor changes. Guido van Rossum <guido@python.org> parents: 1888 diff changeset	55 #define NSIG (_SIGMAX + 1) /* For QNX */
5101 2497c8b04101 djgpp fix (SIGMAX). Guido van Rossum <guido@python.org> parents: 5020 diff changeset	56 #else
2497c8b04101 djgpp fix (SIGMAX). Guido van Rossum <guido@python.org> parents: 5020 diff changeset	57 #define NSIG (SIGMAX + 1) /* for djgpp */
2497c8b04101 djgpp fix (SIGMAX). Guido van Rossum <guido@python.org> parents: 5020 diff changeset	58 #endif
2055 cf31eab6ab5a Another bulky set of minor changes. Guido van Rossum <guido@python.org> parents: 1888 diff changeset	59 #endif
cf31eab6ab5a Another bulky set of minor changes. Guido van Rossum <guido@python.org> parents: 1888 diff changeset	60
cf31eab6ab5a Another bulky set of minor changes. Guido van Rossum <guido@python.org> parents: 1888 diff changeset	61
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	62
1678 1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	63 /*
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	64 NOTES ON THE INTERACTION BETWEEN SIGNALS AND THREADS
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	65
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	66 When threads are supported, we want the following semantics:
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	67
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	68 - only the main thread can set a signal handler
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	69 - any thread can get a signal handler
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	70 - signals are only delivered to the main thread
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	71
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	72 I.e. we don't support "synchronous signals" like SIGFPE (catching
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	73 this doesn't make much sense in Python anyway) nor do we support
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	74 signals as a means of inter-thread communication, since not all
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	75 thread implementations support that (at least our thread library
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	76 doesn't).
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	77
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	78 We still have the problem that in some implementations signals
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	79 generated by the keyboard (e.g. SIGINT) are delivered to all
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	80 threads (e.g. SGI), while in others (e.g. Solaris) such signals are
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	81 delivered to one random thread (an intermediate possibility would
2126 af36bae343fc cosmetics Guido van Rossum <guido@python.org> parents: 2123 diff changeset	82 be to deliver it to the main thread -- POSIX?). For now, we have
1678 1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	83 a working implementation that works in all three cases -- the
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	84 handler ignores signals if getpid() isn't the same as in the main
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	85 thread. XXX This is a hack.
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	86
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	87 */
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	88
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	89 #ifdef WITH_THREAD
5730 996079744566 Add sys/types.h include for pid_t when threading. Guido van Rossum <guido@python.org> parents: 5287 diff changeset	90 #include <sys/types.h> /* For pid_t */
1678 1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	91 #include "thread.h"
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	92 static long main_thread;
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	93 static pid_t main_pid;
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	94 #endif
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	95
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	96 static struct {
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	97 int tripped;
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	98 PyObject *func;
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	99 } Handlers[NSIG];
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	100
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	101 static int is_tripped = 0; /* Speed up sigcheck() when none tripped */
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	102
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	103 static PyObject *DefaultHandler;
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	104 static PyObject *IgnoreHandler;
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	105 static PyObject *IntHandler;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	106
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	107
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	108
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	109 static PyObject *
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	110 signal_default_int_handler(self, arg)
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	111 PyObject *self;
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	112 PyObject *arg;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	113 {
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	114 PyErr_SetNone(PyExc_KeyboardInterrupt);
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	115 return NULL;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	116 }
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	117
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	118
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	119 static RETSIGTYPE
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	120 signal_handler(sig_num)
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	121 int sig_num;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	122 {
1678 1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	123 #ifdef WITH_THREAD
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	124 /* See NOTES section above */
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	125 if (getpid() == main_pid) {
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	126 #endif
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	127 is_tripped++;
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	128 Handlers[sig_num].tripped = 1;
5287 5af766a1b531 Tweaks to keep the Microsoft compiler quier. Guido van Rossum <guido@python.org> parents: 5101 diff changeset	129 Py_AddPendingCall(
5af766a1b531 Tweaks to keep the Microsoft compiler quier. Guido van Rossum <guido@python.org> parents: 5101 diff changeset	130 (int () Py_PROTO((ANY )))PyErr_CheckSignals, NULL);
1678 1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	131 #ifdef WITH_THREAD
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	132 }
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	133 #endif
1888 be956b1efb97 * various modules: #include "Python.h" and remove most remporary Guido van Rossum <guido@python.org> parents: 1867 diff changeset	134 #ifdef SIGCHLD
be956b1efb97 * various modules: #include "Python.h" and remove most remporary Guido van Rossum <guido@python.org> parents: 1867 diff changeset	135 if (sig_num == SIGCHLD) {
be956b1efb97 * various modules: #include "Python.h" and remove most remporary Guido van Rossum <guido@python.org> parents: 1867 diff changeset	136 /* To avoid infinite recursion, this signal remains
be956b1efb97 * various modules: #include "Python.h" and remove most remporary Guido van Rossum <guido@python.org> parents: 1867 diff changeset	137 reset until explicit re-instated.
be956b1efb97 * various modules: #include "Python.h" and remove most remporary Guido van Rossum <guido@python.org> parents: 1867 diff changeset	138 Don't clear the 'func' field as it is our pointer
be956b1efb97 * various modules: #include "Python.h" and remove most remporary Guido van Rossum <guido@python.org> parents: 1867 diff changeset	139 to the Python handler... */
be956b1efb97 * various modules: #include "Python.h" and remove most remporary Guido van Rossum <guido@python.org> parents: 1867 diff changeset	140 return;
be956b1efb97 * various modules: #include "Python.h" and remove most remporary Guido van Rossum <guido@python.org> parents: 1867 diff changeset	141 }
be956b1efb97 * various modules: #include "Python.h" and remove most remporary Guido van Rossum <guido@python.org> parents: 1867 diff changeset	142 #endif
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	143 (void *)signal(sig_num, &signal_handler);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	144 }
2521 e7d480cf16ba added PyErr_SetInterrupt(); NT ifdefs Guido van Rossum <guido@python.org> parents: 2211 diff changeset	145
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	146
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	147
2521 e7d480cf16ba added PyErr_SetInterrupt(); NT ifdefs Guido van Rossum <guido@python.org> parents: 2211 diff changeset	148 #ifndef DONT_HAVE_SIG_ALARM
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	149 static PyObject *
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	150 signal_alarm(self, args)
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	151 PyObject self; / Not used */
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	152 PyObject *args;
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1678 diff changeset	153 {
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1678 diff changeset	154 int t;
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	155 if (!PyArg_Parse(args, "i", &t))
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	156 return NULL;
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	157 /* alarm() returns the number of seconds remaining */
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	158 return PyInt_FromLong(alarm(t));
1817 20e1d296fdcc * Modules/signalmodule.c: added pause(). Guido van Rossum <guido@python.org> parents: 1746 diff changeset	159 }
2521 e7d480cf16ba added PyErr_SetInterrupt(); NT ifdefs Guido van Rossum <guido@python.org> parents: 2211 diff changeset	160 #endif
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1678 diff changeset	161
2521 e7d480cf16ba added PyErr_SetInterrupt(); NT ifdefs Guido van Rossum <guido@python.org> parents: 2211 diff changeset	162 #ifndef DONT_HAVE_SIG_PAUSE
2123 fd5ab7e828fc cosmetic changes so these modules will work with the strict new naming scheme Guido van Rossum <guido@python.org> parents: 2076 diff changeset	163 static PyObject *
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	164 signal_pause(self, args)
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	165 PyObject self; / Not used */
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	166 PyObject *args;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	167 {
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	168 if (!PyArg_NoArgs(args))
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	169 return NULL;
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	170
2123 fd5ab7e828fc cosmetic changes so these modules will work with the strict new naming scheme Guido van Rossum <guido@python.org> parents: 2076 diff changeset	171 Py_BEGIN_ALLOW_THREADS
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	172 (void)pause();
2123 fd5ab7e828fc cosmetic changes so these modules will work with the strict new naming scheme Guido van Rossum <guido@python.org> parents: 2076 diff changeset	173 Py_END_ALLOW_THREADS
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	174 /* make sure that any exceptions that got raised are propagated
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	175 * back into Python
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	176 */
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	177 if (PyErr_CheckSignals())
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	178 return NULL;
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	179
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	180 Py_INCREF(Py_None);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	181 return Py_None;
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	182 }
2521 e7d480cf16ba added PyErr_SetInterrupt(); NT ifdefs Guido van Rossum <guido@python.org> parents: 2211 diff changeset	183 #endif
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	184
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	185
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	186 static PyObject *
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	187 signal_signal(self, args)
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	188 PyObject self; / Not used */
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	189 PyObject *args;
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	190 {
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	191 PyObject *obj;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	192 int sig_num;
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	193 PyObject *old_handler;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	194 RETSIGTYPE (*func)();
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	195 if (!PyArg_Parse(args, "(iO)", &sig_num, &obj))
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	196 return NULL;
1678 1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	197 #ifdef WITH_THREAD
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	198 if (get_thread_ident() != main_thread) {
2564 7fbff52db087 use PyCallable_Check; split some lines Guido van Rossum <guido@python.org> parents: 2521 diff changeset	199 PyErr_SetString(PyExc_ValueError,
7fbff52db087 use PyCallable_Check; split some lines Guido van Rossum <guido@python.org> parents: 2521 diff changeset	200 "signal only works in main thread");
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	201 return NULL;
1678 1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	202 }
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	203 #endif
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	204 if (sig_num < 1 \|\| sig_num >= NSIG) {
2564 7fbff52db087 use PyCallable_Check; split some lines Guido van Rossum <guido@python.org> parents: 2521 diff changeset	205 PyErr_SetString(PyExc_ValueError,
7fbff52db087 use PyCallable_Check; split some lines Guido van Rossum <guido@python.org> parents: 2521 diff changeset	206 "signal number out of range");
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	207 return NULL;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	208 }
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	209 if (obj == IgnoreHandler)
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	210 func = SIG_IGN;
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	211 else if (obj == DefaultHandler)
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	212 func = SIG_DFL;
2564 7fbff52db087 use PyCallable_Check; split some lines Guido van Rossum <guido@python.org> parents: 2521 diff changeset	213 else if (!PyCallable_Check(obj)) {
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	214 PyErr_SetString(PyExc_TypeError,
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	215 "signal handler must be signal.SIG_IGN, signal.SIG_DFL, or a callable object");
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	216 return NULL;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	217 }
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	218 else
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	219 func = signal_handler;
1678 1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	220 if (signal(sig_num, func) == SIG_ERR) {
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	221 PyErr_SetFromErrno(PyExc_RuntimeError);
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	222 return NULL;
1678 1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	223 }
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	224 old_handler = Handlers[sig_num].func;
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	225 Handlers[sig_num].tripped = 0;
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	226 Py_INCREF(obj);
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	227 Handlers[sig_num].func = obj;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	228 return old_handler;
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	229 }
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	230
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	231
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	232 static PyObject *
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	233 signal_get_signal(self, args)
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	234 PyObject self; / Not used */
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	235 PyObject *args;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	236 {
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	237 int sig_num;
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	238 PyObject *old_handler;
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	239 if (!PyArg_Parse(args, "i", &sig_num))
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	240 return NULL;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	241 if (sig_num < 1 \|\| sig_num >= NSIG) {
2564 7fbff52db087 use PyCallable_Check; split some lines Guido van Rossum <guido@python.org> parents: 2521 diff changeset	242 PyErr_SetString(PyExc_ValueError,
7fbff52db087 use PyCallable_Check; split some lines Guido van Rossum <guido@python.org> parents: 2521 diff changeset	243 "signal number out of range");
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	244 return NULL;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	245 }
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	246 old_handler = Handlers[sig_num].func;
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	247 Py_INCREF(old_handler);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	248 return old_handler;
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	249 }
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	250
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	251
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	252
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	253 /* List of functions defined in the module */
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	254 static PyMethodDef signal_methods[] = {
2521 e7d480cf16ba added PyErr_SetInterrupt(); NT ifdefs Guido van Rossum <guido@python.org> parents: 2211 diff changeset	255 #ifndef DONT_HAVE_SIG_ALARM
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	256 {"alarm", signal_alarm},
2521 e7d480cf16ba added PyErr_SetInterrupt(); NT ifdefs Guido van Rossum <guido@python.org> parents: 2211 diff changeset	257 #endif
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	258 {"signal", signal_signal},
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	259 {"getsignal", signal_get_signal},
2521 e7d480cf16ba added PyErr_SetInterrupt(); NT ifdefs Guido van Rossum <guido@python.org> parents: 2211 diff changeset	260 #ifndef DONT_HAVE_SIG_PAUSE
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	261 {"pause", signal_pause},
2521 e7d480cf16ba added PyErr_SetInterrupt(); NT ifdefs Guido van Rossum <guido@python.org> parents: 2211 diff changeset	262 #endif
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	263 {"default_int_handler", signal_default_int_handler},
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	264 {NULL, NULL} /* sentinel */
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	265 };
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	266
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	267
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	268
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	269 void
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	270 initsignal()
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	271 {
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	272 PyObject m, d, *x;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	273 int i;
1678 1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	274
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	275 #ifdef WITH_THREAD
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	276 main_thread = get_thread_ident();
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	277 main_pid = getpid();
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	278 #endif
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	279
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	280 /* Create the module and add the functions */
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	281 m = Py_InitModule("signal", signal_methods);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	282
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	283 /* Add some symbolic constants to the module */
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	284 d = PyModule_GetDict(m);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	285
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	286 x = DefaultHandler = PyInt_FromLong((long)SIG_DFL);
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	287 if (!x \|\| PyDict_SetItemString(d, "SIG_DFL", x) < 0)
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	288 goto finally;
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	289 Py_DECREF(x);
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	290
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	291 x = IgnoreHandler = PyInt_FromLong((long)SIG_IGN);
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	292 if (!x \|\| PyDict_SetItemString(d, "SIG_IGN", x) < 0)
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	293 goto finally;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	294
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	295 x = PyInt_FromLong((long)NSIG);
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	296 if (!x \|\| PyDict_SetItemString(d, "NSIG", x) < 0)
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	297 goto finally;
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	298
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	299 x = IntHandler = PyDict_GetItemString(d, "default_int_handler");
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	300 if (!x)
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	301 goto finally;
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	302
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	303 Handlers[0].tripped = 0;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	304 for (i = 1; i < NSIG; i++) {
1658 a862d8f4507b Speed up checking for signals and define intrcheck differently Guido van Rossum <guido@python.org> parents: 1630 diff changeset	305 RETSIGTYPE (*t)();
3595 6293723205a6 Use sigaction if possible Guido van Rossum <guido@python.org> parents: 2564 diff changeset	306 #ifdef HAVE_SIGACTION
6293723205a6 Use sigaction if possible Guido van Rossum <guido@python.org> parents: 2564 diff changeset	307 struct sigaction act;
6293723205a6 Use sigaction if possible Guido van Rossum <guido@python.org> parents: 2564 diff changeset	308 sigaction(i, 0, &act);
3654 66eeab5a758c Use correct field of sigaction struct Guido van Rossum <guido@python.org> parents: 3595 diff changeset	309 t = act.sa_handler;
3595 6293723205a6 Use sigaction if possible Guido van Rossum <guido@python.org> parents: 2564 diff changeset	310 #else
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	311 t = signal(i, SIG_IGN);
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	312 signal(i, t);
3595 6293723205a6 Use sigaction if possible Guido van Rossum <guido@python.org> parents: 2564 diff changeset	313 #endif
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	314 Handlers[i].tripped = 0;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	315 if (t == SIG_DFL)
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	316 Handlers[i].func = DefaultHandler;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	317 else if (t == SIG_IGN)
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	318 Handlers[i].func = IgnoreHandler;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	319 else
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	320 Handlers[i].func = Py_None; /* None of our business */
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	321 Py_INCREF(Handlers[i].func);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	322 }
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	323 if (Handlers[SIGINT].func == DefaultHandler) {
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	324 /* Install default int handler */
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	325 Py_DECREF(Handlers[SIGINT].func);
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	326 Handlers[SIGINT].func = IntHandler;
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	327 Py_INCREF(IntHandler);
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	328 signal(SIGINT, &signal_handler);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	329 }
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	330
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	331 #ifdef SIGHUP
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	332 x = PyInt_FromLong(SIGHUP);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	333 PyDict_SetItemString(d, "SIGHUP", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	334 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	335 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	336 #ifdef SIGINT
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	337 x = PyInt_FromLong(SIGINT);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	338 PyDict_SetItemString(d, "SIGINT", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	339 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	340 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	341 #ifdef SIGQUIT
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	342 x = PyInt_FromLong(SIGQUIT);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	343 PyDict_SetItemString(d, "SIGQUIT", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	344 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	345 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	346 #ifdef SIGILL
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	347 x = PyInt_FromLong(SIGILL);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	348 PyDict_SetItemString(d, "SIGILL", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	349 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	350 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	351 #ifdef SIGTRAP
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	352 x = PyInt_FromLong(SIGTRAP);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	353 PyDict_SetItemString(d, "SIGTRAP", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	354 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	355 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	356 #ifdef SIGIOT
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	357 x = PyInt_FromLong(SIGIOT);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	358 PyDict_SetItemString(d, "SIGIOT", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	359 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	360 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	361 #ifdef SIGABRT
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	362 x = PyInt_FromLong(SIGABRT);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	363 PyDict_SetItemString(d, "SIGABRT", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	364 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	365 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	366 #ifdef SIGEMT
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	367 x = PyInt_FromLong(SIGEMT);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	368 PyDict_SetItemString(d, "SIGEMT", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	369 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	370 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	371 #ifdef SIGFPE
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	372 x = PyInt_FromLong(SIGFPE);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	373 PyDict_SetItemString(d, "SIGFPE", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	374 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	375 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	376 #ifdef SIGKILL
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	377 x = PyInt_FromLong(SIGKILL);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	378 PyDict_SetItemString(d, "SIGKILL", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	379 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	380 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	381 #ifdef SIGBUS
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	382 x = PyInt_FromLong(SIGBUS);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	383 PyDict_SetItemString(d, "SIGBUS", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	384 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	385 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	386 #ifdef SIGSEGV
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	387 x = PyInt_FromLong(SIGSEGV);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	388 PyDict_SetItemString(d, "SIGSEGV", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	389 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	390 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	391 #ifdef SIGSYS
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	392 x = PyInt_FromLong(SIGSYS);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	393 PyDict_SetItemString(d, "SIGSYS", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	394 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	395 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	396 #ifdef SIGPIPE
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	397 x = PyInt_FromLong(SIGPIPE);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	398 PyDict_SetItemString(d, "SIGPIPE", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	399 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	400 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	401 #ifdef SIGALRM
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	402 x = PyInt_FromLong(SIGALRM);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	403 PyDict_SetItemString(d, "SIGALRM", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	404 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	405 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	406 #ifdef SIGTERM
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	407 x = PyInt_FromLong(SIGTERM);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	408 PyDict_SetItemString(d, "SIGTERM", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	409 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	410 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	411 #ifdef SIGUSR1
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	412 x = PyInt_FromLong(SIGUSR1);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	413 PyDict_SetItemString(d, "SIGUSR1", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	414 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	415 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	416 #ifdef SIGUSR2
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	417 x = PyInt_FromLong(SIGUSR2);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	418 PyDict_SetItemString(d, "SIGUSR2", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	419 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	420 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	421 #ifdef SIGCLD
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	422 x = PyInt_FromLong(SIGCLD);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	423 PyDict_SetItemString(d, "SIGCLD", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	424 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	425 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	426 #ifdef SIGCHLD
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	427 x = PyInt_FromLong(SIGCHLD);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	428 PyDict_SetItemString(d, "SIGCHLD", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	429 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	430 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	431 #ifdef SIGPWR
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	432 x = PyInt_FromLong(SIGPWR);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	433 PyDict_SetItemString(d, "SIGPWR", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	434 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	435 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	436 #ifdef SIGIO
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	437 x = PyInt_FromLong(SIGIO);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	438 PyDict_SetItemString(d, "SIGIO", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	439 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	440 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	441 #ifdef SIGURG
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	442 x = PyInt_FromLong(SIGURG);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	443 PyDict_SetItemString(d, "SIGURG", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	444 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	445 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	446 #ifdef SIGWINCH
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	447 x = PyInt_FromLong(SIGWINCH);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	448 PyDict_SetItemString(d, "SIGWINCH", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	449 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	450 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	451 #ifdef SIGPOLL
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	452 x = PyInt_FromLong(SIGPOLL);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	453 PyDict_SetItemString(d, "SIGPOLL", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	454 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	455 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	456 #ifdef SIGSTOP
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	457 x = PyInt_FromLong(SIGSTOP);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	458 PyDict_SetItemString(d, "SIGSTOP", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	459 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	460 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	461 #ifdef SIGTSTP
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	462 x = PyInt_FromLong(SIGTSTP);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	463 PyDict_SetItemString(d, "SIGTSTP", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	464 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	465 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	466 #ifdef SIGCONT
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	467 x = PyInt_FromLong(SIGCONT);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	468 PyDict_SetItemString(d, "SIGCONT", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	469 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	470 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	471 #ifdef SIGTTIN
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	472 x = PyInt_FromLong(SIGTTIN);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	473 PyDict_SetItemString(d, "SIGTTIN", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	474 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	475 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	476 #ifdef SIGTTOU
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	477 x = PyInt_FromLong(SIGTTOU);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	478 PyDict_SetItemString(d, "SIGTTOU", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	479 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	480 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	481 #ifdef SIGVTALRM
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	482 x = PyInt_FromLong(SIGVTALRM);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	483 PyDict_SetItemString(d, "SIGVTALRM", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	484 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	485 #endif
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	486 #ifdef SIGPROF
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	487 x = PyInt_FromLong(SIGPROF);
758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	488 PyDict_SetItemString(d, "SIGPROF", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	489 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	490 #endif
4736 94ad56ef5073 initsignal(): Added SIGXCPU and SIGXFSZ. Left in the definitions for Barry Warsaw <barry@python.org> parents: 4600 diff changeset	491 #ifdef SIGXCPU
94ad56ef5073 initsignal(): Added SIGXCPU and SIGXFSZ. Left in the definitions for Barry Warsaw <barry@python.org> parents: 4600 diff changeset	492 x = PyInt_FromLong(SIGXCPU);
94ad56ef5073 initsignal(): Added SIGXCPU and SIGXFSZ. Left in the definitions for Barry Warsaw <barry@python.org> parents: 4600 diff changeset	493 PyDict_SetItemString(d, "SIGXCPU", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	494 Py_XDECREF(x);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	495 #endif
4736 94ad56ef5073 initsignal(): Added SIGXCPU and SIGXFSZ. Left in the definitions for Barry Warsaw <barry@python.org> parents: 4600 diff changeset	496 #ifdef SIGXFSZ
94ad56ef5073 initsignal(): Added SIGXCPU and SIGXFSZ. Left in the definitions for Barry Warsaw <barry@python.org> parents: 4600 diff changeset	497 x = PyInt_FromLong(SIGXFSZ);
94ad56ef5073 initsignal(): Added SIGXCPU and SIGXFSZ. Left in the definitions for Barry Warsaw <barry@python.org> parents: 4600 diff changeset	498 PyDict_SetItemString(d, "SIGXFSZ", x);
4920 e77585af2a21 initsignal(): Py_DECREFs really should be Py_XDECREFs in case the Barry Warsaw <barry@python.org> parents: 4863 diff changeset	499 Py_XDECREF(x);
4736 94ad56ef5073 initsignal(): Added SIGXCPU and SIGXFSZ. Left in the definitions for Barry Warsaw <barry@python.org> parents: 4600 diff changeset	500 #endif
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	501 if (!PyErr_Occurred())
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	502 return;
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	503
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	504 /* Check for errors */
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	505 finally:
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	506 Py_FatalError("can't initialize module signal");
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	507 }
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	508
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	509
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	510
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	511 /* Declared in pyerrors.h */
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	512 int
2211 eb3e61db0dda rename sigcheck so signal handling works again Guido van Rossum <guido@python.org> parents: 2126 diff changeset	513 PyErr_CheckSignals()
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	514 {
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	515 int i;
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	516 PyObject *f;
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	517
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	518 if (!is_tripped)
1658 a862d8f4507b Speed up checking for signals and define intrcheck differently Guido van Rossum <guido@python.org> parents: 1630 diff changeset	519 return 0;
1678 1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	520 #ifdef WITH_THREAD
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	521 if (get_thread_ident() != main_thread)
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	522 return 0;
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	523 #endif
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	524 if (!(f = PyEval_GetFrame()))
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	525 f = Py_None;
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	526
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	527 for (i = 1; i < NSIG; i++) {
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	528 if (Handlers[i].tripped) {
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	529 PyObject *result = NULL;
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	530 PyObject *arglist = Py_BuildValue("(iO)", i, f);
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	531 Handlers[i].tripped = 0;
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	532
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	533 if (arglist) {
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	534 result = PyEval_CallObject(Handlers[i].func,
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	535 arglist);
1867 758c1374f303 Setup.in: added tkinter; rearranged the definition of PYTHONPATH so Guido van Rossum <guido@python.org> parents: 1817 diff changeset	536 Py_DECREF(arglist);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	537 }
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	538 if (!result)
5020 0eca9d5f7b2d Arrange for PyErr_CheckSignals() to be called via Py_AddPendingCall(). Guido van Rossum <guido@python.org> parents: 4920 diff changeset	539 return -1;
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	540
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	541 Py_DECREF(result);
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	542 }
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	543 }
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	544 is_tripped = 0;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	545 return 0;
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	546 }
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	547
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	548
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	549 /* Replacements for intrcheck.c functionality
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	550 * Declared in pyerrors.h
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	551 */
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	552 void
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	553 PyErr_SetInterrupt()
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	554 {
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	555 is_tripped++;
b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	556 Handlers[SIGINT].tripped = 1;
5020 0eca9d5f7b2d Arrange for PyErr_CheckSignals() to be called via Py_AddPendingCall(). Guido van Rossum <guido@python.org> parents: 4920 diff changeset	557 Py_AddPendingCall((int () Py_PROTO((ANY )))PyErr_CheckSignals, NULL);
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	558 }
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	559
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	560 void
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	561 PyOS_InitInterrupts()
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	562 {
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	563 initsignal();
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	564 }
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	565
0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	566 int
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	567 PyOS_InterruptOccurred()
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	568 {
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	569 if (Handlers[SIGINT].tripped) {
1678 1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	570 #ifdef WITH_THREAD
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	571 if (get_thread_ident() != main_thread)
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	572 return 0;
1f06f71904c2 * Modules/signalmodule.c: added thread compatibility (only main Guido van Rossum <guido@python.org> parents: 1658 diff changeset	573 #endif
4863 b1707bcdc265 Several changes: Barry Warsaw <barry@python.org> parents: 4736 diff changeset	574 Handlers[SIGINT].tripped = 0;
1658 a862d8f4507b Speed up checking for signals and define intrcheck differently Guido van Rossum <guido@python.org> parents: 1630 diff changeset	575 return 1;
a862d8f4507b Speed up checking for signals and define intrcheck differently Guido van Rossum <guido@python.org> parents: 1630 diff changeset	576 }
a862d8f4507b Speed up checking for signals and define intrcheck differently Guido van Rossum <guido@python.org> parents: 1630 diff changeset	577 return 0;
1630 0202a72d994e New experimental modules -- signal and sybase Guido van Rossum <guido@python.org> parents: diff changeset	578 }

Mercurial > cpython-lru_cache-weakref

annotate Modules/signalmodule.c @ 5817:48b94de85bf3 legacy-trunk