[rustc.git] / src / compiler-rt / test / tsan / thread_name2.cc

// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
#include "test.h"

#if defined(__FreeBSD__)
#include <pthread_np.h>
#define pthread_setname_np pthread_set_name_np
#endif

long long Global;

void *Thread1(void *x) {
  barrier_wait(&barrier);
  Global++;
  return 0;
}

void *Thread2(void *x) {
  pthread_setname_np(pthread_self(), "foobar2");
  Global--;
  barrier_wait(&barrier);
  return 0;
}

int main() {
  barrier_init(&barrier, 3);
  pthread_t t[2];
  pthread_create(&t[0], 0, Thread1, 0);
  pthread_create(&t[1], 0, Thread2, 0);
  pthread_setname_np(t[0], "foobar1");
  barrier_wait(&barrier);
  pthread_join(t[0], NULL);
  pthread_join(t[1], NULL);
}

// CHECK: WARNING: ThreadSanitizer: data race
// CHECK:   Thread T1 'foobar1'
// CHECK:   Thread T2 'foobar2'
Commit	Line	Data
92a42be0 SL	1	// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t \| FileCheck %s
92a42be0 SL	2	#include "test.h"
1a4d82fc	3
92a42be0 SL	4	#if defined(__FreeBSD__)
	5	#include <pthread_np.h>
	6	#define pthread_setname_np pthread_set_name_np
	7	#endif
	8
	9	long long Global;
1a4d82fc JJ	10
1a4d82fc JJ	11	void Thread1(void x) {
92a42be0	12	barrier_wait(&barrier);
1a4d82fc JJ	13	Global++;
	14	return 0;
	15	}
	16
	17	void Thread2(void x) {
	18	pthread_setname_np(pthread_self(), "foobar2");
	19	Global--;
92a42be0	20	barrier_wait(&barrier);
1a4d82fc JJ	21	return 0;
	22	}
	23
	24	int main() {
92a42be0	25	barrier_init(&barrier, 3);
1a4d82fc JJ	26	pthread_t t[2];
	27	pthread_create(&t[0], 0, Thread1, 0);
	28	pthread_create(&t[1], 0, Thread2, 0);
	29	pthread_setname_np(t[0], "foobar1");
92a42be0	30	barrier_wait(&barrier);
1a4d82fc JJ	31	pthread_join(t[0], NULL);
	32	pthread_join(t[1], NULL);
	33	}
	34
	35	// CHECK: WARNING: ThreadSanitizer: data race
	36	// CHECK: Thread T1 'foobar1'
	37	// CHECK: Thread T2 'foobar2'