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annotate Python/thread_foobar.h @ 44349:4dc01402d78a

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Merged revisions 59541-59561 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r59544 | raymond.hettinger | 2007-12-18 01:13:45 +0100 (Tue, 18 Dec 2007) | 1 line Add more namedtuple() test cases. Neaten the code and comments. ........ r59545 | christian.heimes | 2007-12-18 04:38:03 +0100 (Tue, 18 Dec 2007) | 3 lines Fixed for #1601: IDLE not working correctly on Windows (Py30a2/IDLE30a1) Amaury's ideas works great. Should we build the Python core with WINVER=0x0500 and _WIN32_WINNT=0x0500, too? ........ r59546 | christian.heimes | 2007-12-18 10:00:13 +0100 (Tue, 18 Dec 2007) | 1 line Make it a bit easier to test Tcl/Tk and idle from a build dir. ........ r59547 | christian.heimes | 2007-12-18 10:12:10 +0100 (Tue, 18 Dec 2007) | 1 line Removed several unused files from the PCbuild9 directory. They are relics from the past. ........ r59548 | raymond.hettinger | 2007-12-18 19:26:18 +0100 (Tue, 18 Dec 2007) | 29 lines Speed-up dictionary constructor by about 10%. New opcode, STORE_MAP saves the compiler from awkward stack manipulations and specializes for dicts using PyDict_SetItem instead of PyObject_SetItem. Old disassembly: 0 BUILD_MAP 0 3 DUP_TOP 4 LOAD_CONST 1 (1) 7 ROT_TWO 8 LOAD_CONST 2 ('x') 11 STORE_SUBSCR 12 DUP_TOP 13 LOAD_CONST 3 (2) 16 ROT_TWO 17 LOAD_CONST 4 ('y') 20 STORE_SUBSCR New disassembly: 0 BUILD_MAP 0 3 LOAD_CONST 1 (1) 6 LOAD_CONST 2 ('x') 9 STORE_MAP 10 LOAD_CONST 3 (2) 13 LOAD_CONST 4 ('y') 16 STORE_MAP ........ r59549 | thomas.heller | 2007-12-18 20:00:34 +0100 (Tue, 18 Dec 2007) | 2 lines Issue #1642: Fix segfault in ctypes when trying to delete attributes. ........ r59551 | guido.van.rossum | 2007-12-18 21:10:42 +0100 (Tue, 18 Dec 2007) | 2 lines Issue #1645 by Alberto Bertogli. Fix a comment. ........ r59553 | raymond.hettinger | 2007-12-18 22:24:09 +0100 (Tue, 18 Dec 2007) | 12 lines Give meaning to the oparg for BUILD_MAP: estimated size of the dictionary. Allows dictionaries to be pre-sized (upto 255 elements) saving time lost to re-sizes with their attendant mallocs and re-insertions. Has zero effect on small dictionaries (5 elements or fewer), a slight benefit for dicts upto 22 elements (because they had to resize once anyway), and more benefit for dicts upto 255 elements (saving multiple resizes during the build-up and reducing the number of collisions on the first insertions). Beyond 255 elements, there is no addional benefit. ........ r59554 | christian.heimes | 2007-12-18 22:56:09 +0100 (Tue, 18 Dec 2007) | 1 line Fixed #1649: IDLE error: dictionary changed size during iteration ........ r59557 | raymond.hettinger | 2007-12-18 23:21:27 +0100 (Tue, 18 Dec 2007) | 1 line Simplify and speedup _asdict() for named tuples. ........ r59558 | christian.heimes | 2007-12-19 00:22:54 +0100 (Wed, 19 Dec 2007) | 3 lines Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). The patch unifies float("inf") and repr(float("inf")) on all platforms. ........ r59559 | raymond.hettinger | 2007-12-19 00:51:15 +0100 (Wed, 19 Dec 2007) | 1 line Users demand iterable input for named tuples. The author capitulates. ........ r59560 | raymond.hettinger | 2007-12-19 01:21:06 +0100 (Wed, 19 Dec 2007) | 1 line Beef-up tests for dict literals ........ r59561 | raymond.hettinger | 2007-12-19 01:27:21 +0100 (Wed, 19 Dec 2007) | 1 line Zap a duplicate line ........
author Christian Heimes <christian@cheimes.de>
date Wed, 19 Dec 2007 02:07:34 +0000
parents 8b116a8449bd
children e38335d4df91 df5719c298db
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1
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2 /*
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3 * Initialization.
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4 */
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5 static void
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6 PyThread__init_thread(void)
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10 /*
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11 * Thread support.
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12 */
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13 long
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14 PyThread_start_new_thread(void (*func)(void *), void *arg)
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15 {
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16 int success = 0; /* init not needed when SOLARIS_THREADS and */
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17 /* C_THREADS implemented properly */
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19 dprintf(("PyThread_start_new_thread called\n"));
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20 if (!initialized)
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21 PyThread_init_thread();
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22 return success < 0 ? -1 : 0;
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26 PyThread_get_thread_ident(void)
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27 {
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28 if (!initialized)
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29 PyThread_init_thread();
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30 }
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32 static
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33 void do_PyThread_exit_thread(int no_cleanup)
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35 dprintf(("PyThread_exit_thread called\n"));
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36 if (!initialized)
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37 if (no_cleanup)
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38 _exit(0);
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39 else
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40 exit(0);
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41 }
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43 void
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44 PyThread_exit_thread(void)
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45 {
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46 do_PyThread_exit_thread(0);
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50 PyThread__exit_thread(void)
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52 do_PyThread_exit_thread(1);
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55 #ifndef NO_EXIT_PROG
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57 void do_PyThread_exit_prog(int status, int no_cleanup)
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59 dprintf(("PyThread_exit_prog(%d) called\n", status));
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60 if (!initialized)
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61 if (no_cleanup)
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62 _exit(status);
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63 else
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64 exit(status);
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65 }
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68 PyThread_exit_prog(int status)
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69 {
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70 do_PyThread_exit_prog(status, 0);
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74 PyThread__exit_prog(int status)
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76 do_PyThread_exit_prog(status, 1);
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77 }
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78 #endif /* NO_EXIT_PROG */
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80 /*
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81 * Lock support.
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82 */
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83 PyThread_type_lock
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84 PyThread_allocate_lock(void)
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85 {
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87 dprintf(("PyThread_allocate_lock called\n"));
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88 if (!initialized)
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89 PyThread_init_thread();
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91 dprintf(("PyThread_allocate_lock() -> %p\n", lock));
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92 return (PyThread_type_lock) lock;
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95 void
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96 PyThread_free_lock(PyThread_type_lock lock)
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98 dprintf(("PyThread_free_lock(%p) called\n", lock));
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99 }
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101 int
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102 PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
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103 {
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104 int success;
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105
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106 dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
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107 dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
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108 return success;
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109 }
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111 void
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112 PyThread_release_lock(PyThread_type_lock lock)
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113 {
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114 dprintf(("PyThread_release_lock(%p) called\n", lock));
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115 }