diff options
Diffstat (limited to 'include/my_pthread.h')
| -rw-r--r-- | include/my_pthread.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/my_pthread.h b/include/my_pthread.h index 3e4388413e0..8051d75c59e 100644 --- a/include/my_pthread.h +++ b/include/my_pthread.h @@ -31,6 +31,26 @@ extern "C" { #define EXTERNC #endif /* __cplusplus */ +/* + 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__) || defined(OS2) #ifdef OS2 |