Mercurial > cpython-lru_cache-weakref

annotate Python/sigcheck.c @ 17405:afbb65b60fa2 2.0

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Inspired by Tim Peters' 1.14->1.15 checkin to asynchat Quoting orignal message: ''' Fix from the Madusa mailing list: http://groups.yahoo.com/group/medusa/message/333 It's clear that Medusa should not be checking for an empty buffer via "buf is ''". The patch merely changes "is" to "==". However, there's a mystery here all the same: Python attempts to store null strings uniquely, so it's unclear why "buf is ''" ever returned false when buf actually was empty. *Some* string operations produce non-unique null strings, e.g. '''
author Moshe Zadka <moshez@math.huji.ac.il>
date Wed, 11 Apr 2001 08:06:02 +0000
parents 6f6f965c5e2d
children
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ffd495bacbd4 Replace intrcheck() by sigcheck() in many places.
Guido van Rossum <guido@python.org>
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1
ffd495bacbd4 Replace intrcheck() by sigcheck() in many places.
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2 /* Sigcheck is similar to intrcheck() but sets an exception when an
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3 interrupt occurs. It can't be in the intrcheck.c file since that
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4 file (and the whole directory it is in) doesn't know about objects
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5 or exceptions. It can't be in errors.c because it can be
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6 overridden (at link time) by a more powerful version implemented in
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7 signalmodule.c. */
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8
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9 #include "Python.h"
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11 /* ARGSUSED */
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12 int
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13 PyErr_CheckSignals(void)
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14 {
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15 if (!PyOS_InterruptOccurred())
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16 return 0;
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17 PyErr_SetNone(PyExc_KeyboardInterrupt);
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18 return -1;
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19 }