diff options
Diffstat (limited to 'include/my_pthread.h')
| -rw-r--r-- | include/my_pthread.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/include/my_pthread.h b/include/my_pthread.h index 17b7b98da02..65c759aaab7 100644 --- a/include/my_pthread.h +++ b/include/my_pthread.h @@ -30,8 +30,26 @@ extern "C" { #define EXTERNC #endif /* __cplusplus */ -#if defined(__WIN__) +/* + BUG#24507: Race conditions inside current NPTL pthread_exit() implementation. + + If macro NPTL_PTHREAD_EXIT_HACK is defined then a hack described in the bug + report will be implemented inside my_thread_global_init() in my_thr_init.c. + + This amounts to spawning a dummy thread which does nothing but executes + pthread_exit(0). + + This bug is fixed in version 2.5 of glibc library. + + TODO: Remove this code when fixed versions of glibc6 are in common use. + */ + +#if defined(TARGET_OS_LINUX) && defined(HAVE_NPTL) && \ + defined(__GLIBC__) && ( __GLIBC__ < 2 || __GLIBC__ == 2 && __GLIBC_MINOR__ < 5 ) +#define NPTL_PTHREAD_EXIT_BUG 1 +#endif +#if defined(__WIN__) typedef CRITICAL_SECTION pthread_mutex_t; typedef HANDLE pthread_t; typedef struct thread_attr { |