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Do not enable asynchronous cancellation in system. Fixes bug 14782.

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We needlessly enabled thread cancellation before it was necessary. As
only call that needs to be guarded is waitpid which is cancellation
point we could remove cancellation altogether.
This commit is contained in:
Ondřej Bílka
2014-01-14 16:07:50 +01:00
parent 7beb48cbb7
commit c4dd57c300
2 changed files with 15 additions and 24 deletions
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28
NEWS
View File

@ -12,20 +12,20 @@ Version 2.19
156, 387, 431, 762, 832, 926, 2801, 4772, 6786, 6787, 6807, 6810, 7003,
9721, 9954, 10253, 10278, 11087, 11157, 11214, 12100, 12486, 12986,
13028, 13982, 13985, 14029, 14032, 14120, 14143, 14155, 14286, 14547,
14699, 14752, 14876, 14910, 15004, 15048, 15073, 15089, 15128, 15218,
15268, 15277, 15308, 15362, 15374, 15400, 15425, 15427, 15483, 15522,
15531, 15532, 15593, 15601, 15608, 15609, 15610, 15632, 15640, 15670,
15672, 15680, 15681, 15723, 15734, 15735, 15736, 15748, 15749, 15754,
15760, 15763, 15764, 15797, 15799, 15825, 15843, 15844, 15846, 15847,
15849, 15850, 15855, 15856, 15857, 15859, 15867, 15886, 15887, 15890,
15892, 15893, 15895, 15897, 15901, 15905, 15909, 15915, 15917, 15919,
15921, 15923, 15939, 15941, 15948, 15963, 15966, 15985, 15988, 15997,
16032, 16034, 16036, 16037, 16038, 16041, 16055, 16071, 16072, 16074,
16077, 16078, 16103, 16112, 16133, 16143, 16144, 16146, 16150, 16151,
16153, 16167, 16172, 16195, 16214, 16245, 16271, 16274, 16283, 16289,
16293, 16314, 16316, 16330, 16337, 16338, 16356, 16365, 16366, 16369,
16372, 16375, 16379, 16384, 16385, 16386, 16387, 16390, 16394, 16400,
16407, 16408, 16414.
14699, 14752, 14782, 14876, 14910, 15004, 15048, 15073, 15089, 15128,
15218, 15268, 15277, 15308, 15362, 15374, 15400, 15425, 15427, 15483,
15522, 15531, 15532, 15593, 15601, 15608, 15609, 15610, 15632, 15640,
15670, 15672, 15680, 15681, 15723, 15734, 15735, 15736, 15748, 15749,
15754, 15760, 15763, 15764, 15797, 15799, 15825, 15843, 15844, 15846,
15847, 15849, 15850, 15855, 15856, 15857, 15859, 15867, 15886, 15887,
15890, 15892, 15893, 15895, 15897, 15901, 15905, 15909, 15915, 15917,
15919, 15921, 15923, 15939, 15941, 15948, 15963, 15966, 15985, 15988,
15997, 16032, 16034, 16036, 16037, 16038, 16041, 16055, 16071, 16072,
16074, 16077, 16078, 16103, 16112, 16133, 16143, 16144, 16146, 16150,
16151, 16153, 16167, 16172, 16195, 16214, 16245, 16271, 16274, 16283,
16289, 16293, 16314, 16316, 16330, 16337, 16338, 16356, 16365, 16366,
16369, 16372, 16375, 16379, 16384, 16385, 16386, 16387, 16390, 16394,
16400, 16407, 16408, 16414.
* Slovenian translations for glibc messages have been contributed by the
Translation Project's Slovenian team of translators.

11
sysdeps/posix/system.c
View File

@ -181,15 +181,6 @@ __libc_system (const char *line)
not be available after a chroot(), for example. */
return do_system ("exit 0") == 0;
if (SINGLE_THREAD_P)
return do_system (line);
int oldtype = LIBC_CANCEL_ASYNC ();
int result = do_system (line);
LIBC_CANCEL_RESET (oldtype);
return result;
return do_system (line);
}
weak_alias (__libc_system, system)