diff options
Diffstat (limited to 'nptl/sysdeps/pthread/pthread.h')
| -rw-r--r-- | nptl/sysdeps/pthread/pthread.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/nptl/sysdeps/pthread/pthread.h b/nptl/sysdeps/pthread/pthread.h index 1e0c5dc937..3888596a74 100644 --- a/nptl/sysdeps/pthread/pthread.h +++ b/nptl/sysdeps/pthread/pthread.h @@ -1123,6 +1123,20 @@ extern int pthread_key_create (pthread_key_t *__key, void (*__destr_function) (void *)) __THROW __nonnull ((1)); +/* Exactly as pthread_key_create, but returns an async-signal-safe key: + getspecific, setspecific, and key_delete are async-signal-safe when + used with the returned key. The number of signal_safe keys is *extremely* + limited (PTHREAD_SIGNAL_SAFE_KEY_MAX); you are highly recommended to use + pthread_key_create unless it's absolutely necessary. This function + is async-signal-safe. */ +#if !defined(IS_IN_libpthread) +__attribute__((weak)) +#endif +extern int __google_pthread_signal_safe_key_create (pthread_key_t *__key, + void (*__destr_function) (void *)) + __THROW __nonnull ((1)); + + /* Destroy KEY. */ extern int pthread_key_delete (pthread_key_t __key) __THROW; |