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

// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
#include <pthread.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>

pthread_mutex_t m;

void *thr(void *p) {
  pthread_mutex_lock(&m);
  return 0;
}

int main() {
  pthread_mutexattr_t a;
  pthread_mutexattr_init(&a);
  pthread_mutexattr_setrobust(&a, PTHREAD_MUTEX_ROBUST);
  pthread_mutex_init(&m, &a);
  pthread_t th;
  pthread_create(&th, 0, thr, 0);
  sleep(1);
  if (pthread_mutex_lock(&m) != EOWNERDEAD) {
    fprintf(stderr, "not EOWNERDEAD\n");
    exit(1);
  }
  pthread_join(th, 0);
  fprintf(stderr, "DONE\n");
}

// This is a correct code, and tsan must not bark.
// CHECK-NOT: WARNING: ThreadSanitizer
// CHECK-NOT: EOWNERDEAD
// CHECK: DONE
// CHECK-NOT: WARNING: ThreadSanitizer
Commit	Line	Data
1a4d82fc JJ	1	// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 \| FileCheck %s
	2	#include <pthread.h>
	3	#include <stdlib.h>
	4	#include <stdio.h>
	5	#include <unistd.h>
	6	#include <errno.h>
	7
	8	pthread_mutex_t m;
	9
	10	void thr(void p) {
	11	pthread_mutex_lock(&m);
	12	return 0;
	13	}
	14
	15	int main() {
	16	pthread_mutexattr_t a;
	17	pthread_mutexattr_init(&a);
	18	pthread_mutexattr_setrobust(&a, PTHREAD_MUTEX_ROBUST);
	19	pthread_mutex_init(&m, &a);
	20	pthread_t th;
	21	pthread_create(&th, 0, thr, 0);
	22	sleep(1);
	23	if (pthread_mutex_lock(&m) != EOWNERDEAD) {
	24	fprintf(stderr, "not EOWNERDEAD\n");
	25	exit(1);
	26	}
	27	pthread_join(th, 0);
	28	fprintf(stderr, "DONE\n");
	29	}
	30
	31	// This is a correct code, and tsan must not bark.
	32	// CHECK-NOT: WARNING: ThreadSanitizer
	33	// CHECK-NOT: EOWNERDEAD
	34	// CHECK: DONE
	35	// CHECK-NOT: WARNING: ThreadSanitizer
	36