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Merge pilot.(none):/data/msvensson/mysql/bug28690/my50-bug28690

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into  pilot.(none):/data/msvensson/mysql/bug28690/my51-bug28690


mysys/my_thr_init.c:
  Merge 5.0->5.1
This commit is contained in:
unknown 2007-06-07 09:50:53 +02:00
commit bb0ac77971
1 changed files with 4 additions and 3 deletions
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7
mysys/my_thr_init.c
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@ -87,20 +87,21 @@ my_bool my_thread_global_init(void)
fprintf(stderr,"Can't initialize threads: error %d\n", pth_ret);
return 1;
}
#ifdef NPTL_PTHREAD_EXIT_BUG
/*
BUG#24507: Race conditions inside current NPTL pthread_exit()
BUG#24507: Race conditions inside current NPTL pthread_exit()
implementation.
To avoid a possible segmentation fault during concurrent
executions of pthread_exit(), a dummy thread is spawned which
initializes internal variables of pthread lib. See bug description
for a full explanation.
TODO: Remove this code when fixed versions of glibc6 are in common
use.
*/
if (thd_lib_detected == THD_LIB_NPTL)
{
pthread_t dummy_thread;
pthread_attr_t dummy_thread_attr;