diff options
| -rw-r--r-- | libc/bionic/pthread_exit.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libc/bionic/pthread_exit.cpp b/libc/bionic/pthread_exit.cpp index 22c2c3c1d..c1140de9d 100644 --- a/libc/bionic/pthread_exit.cpp +++ b/libc/bionic/pthread_exit.cpp @@ -36,6 +36,7 @@ extern "C" void _exit_with_stack_teardown(void*, size_t, int); extern "C" void __exit(int); +extern "C" int __set_tid_address(int*); /* CAVEAT: our implementation of pthread_cleanup_push/pop doesn't support C++ exceptions * and thread cancelation @@ -94,6 +95,9 @@ void pthread_exit(void* return_value) { pthread_mutex_lock(&gThreadListLock); if ((thread->attr.flags & PTHREAD_ATTR_FLAG_DETACHED) != 0) { // The thread is detached, so we can destroy the pthread_internal_t. + // First make sure that the thread does not try to clear the tid since + // it points into memory that will be freed. + __set_tid_address(NULL); _pthread_internal_remove_locked(thread); } else { // Make sure that the pthread_internal_t doesn't have stale pointers to a stack that |