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// RUN: %clangxx_msan -std=c++11 -O0 %s -o %t && %run %t
// The main goal is getting the pthread name back and
// FreeBSD based do not support this feature
// UNSUPPORTED: android, freebsd
// Regression test for a deadlock in pthread_getattr_np
#include <assert.h>
#include <pthread.h>
#include <string.h>
#include <sanitizer/msan_interface.h>
#include <stdio.h>
// Stall child thread on this lock to make sure it doesn't finish
// before the end of the pthread_getname_np() / pthread_setname_np() tests.
static pthread_mutex_t lock;
void *ThreadFn(void *) {
pthread_mutex_lock (&lock);
pthread_mutex_unlock (&lock);
return nullptr;
}
int main(void) {
pthread_t t;
pthread_mutex_init (&lock, NULL);
pthread_mutex_lock (&lock);
int res = pthread_create(&t, 0, ThreadFn, 0);
assert(!res);
const char *kMyThreadName = "my-thread-name";
#if defined(__NetBSD__)
res = pthread_setname_np(t, "%s", (void *)kMyThreadName);
#else
res = pthread_setname_np(t, kMyThreadName);
#endif
assert(!res);
char buf[100];
res = pthread_getname_np(t, buf, sizeof(buf));
assert(!res);
assert(strcmp(buf, kMyThreadName) == 0);
pthread_mutex_unlock (&lock);
res = pthread_join(t, 0);
assert(!res);
return 0;
}
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