llvm-project/compiler-rt/test/msan/pthread_getattr_np_deadlock.cc

33 lines
726 B
C++

// RUN: %clangxx_msan -fsanitize-memory-track-origins -O0 %s -o %t && %run %t
// Regression test for a deadlock in pthread_getattr_np
#include <assert.h>
#include <pthread.h>
#if defined(__FreeBSD__)
#include <pthread_np.h>
#endif
void *ThreadFn(void *) {
pthread_attr_t attr;
#if defined(__FreeBSD__)
// On FreeBSD it needs to allocate attr underlying memory
int res = pthread_attr_init(&attr);
assert(!res);
res = pthread_attr_get_np(pthread_self(), &attr);
#else
int res = pthread_getattr_np(pthread_self(), &attr);
#endif
assert(!res);
return 0;
}
int main(void) {
pthread_t t;
int res = pthread_create(&t, 0, ThreadFn, 0);
assert(!res);
res = pthread_join(t, 0);
assert(!res);
return 0;
}