diff options
Diffstat (limited to 'src/thread/pthread_create.c')
| -rw-r--r-- | src/thread/pthread_create.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c index 6bdfb44f..10f1b7d8 100644 --- a/src/thread/pthread_create.c +++ b/src/thread/pthread_create.c @@ -72,12 +72,13 @@ _Noreturn void __pthread_exit(void *result) /* Access to target the exiting thread with syscalls that use * its kernel tid is controlled by killlock. For detached threads, * any use past this point would have undefined behavior, but for - * joinable threads it's a valid usage that must be handled. */ + * joinable threads it's a valid usage that must be handled. + * Signals must be blocked since pthread_kill must be AS-safe. */ + __block_app_sigs(&set); LOCK(self->killlock); - /* The thread list lock must be AS-safe, and thus requires - * application signals to be blocked before it can be taken. */ - __block_app_sigs(&set); + /* The thread list lock must be AS-safe, and thus depends on + * application signals being blocked above. */ __tl_lock(); /* If this is the only thread in the list, don't proceed with @@ -85,8 +86,8 @@ _Noreturn void __pthread_exit(void *result) * signal state to prepare for exit to call atexit handlers. */ if (self->next == self) { __tl_unlock(); - __restore_sigs(&set); UNLOCK(self->killlock); + __restore_sigs(&set); exit(0); } |