33 lines · cpp
1// RUN: %clangxx_msan -fsanitize-memory-track-origins -O0 %s -o %t && %run %t2 3// Regression test for a deadlock in pthread_getattr_np4 5#include <assert.h>6#include <pthread.h>7#if defined(__FreeBSD__)8#include <pthread_np.h>9#endif10 11void *ThreadFn(void *) {12 pthread_attr_t attr;13#if defined(__FreeBSD__)14 // On FreeBSD it needs to allocate attr underlying memory15 int res = pthread_attr_init(&attr);16 assert(!res);17 res = pthread_attr_get_np(pthread_self(), &attr);18#else19 int res = pthread_getattr_np(pthread_self(), &attr);20#endif21 assert(!res);22 return 0;23}24 25int main(void) {26 pthread_t t;27 int res = pthread_create(&t, 0, ThreadFn, 0);28 assert(!res);29 res = pthread_join(t, 0);30 assert(!res);31 return 0;32}33