diff options
Diffstat (limited to 'test/tsan/race_on_mutex.c')
| -rw-r--r-- | test/tsan/race_on_mutex.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/test/tsan/race_on_mutex.c b/test/tsan/race_on_mutex.c index b4adeeb4df729..7bd461bf37311 100644 --- a/test/tsan/race_on_mutex.c +++ b/test/tsan/race_on_mutex.c @@ -1,8 +1,5 @@ // RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s -#include <pthread.h> -#include <stdio.h> -#include <stddef.h> -#include <unistd.h> +#include "test.h" pthread_mutex_t Mtx; int Global; @@ -12,11 +9,12 @@ void *Thread1(void *x) { pthread_mutex_lock(&Mtx); Global = 42; pthread_mutex_unlock(&Mtx); + barrier_wait(&barrier); return NULL; } void *Thread2(void *x) { - sleep(1); + barrier_wait(&barrier); pthread_mutex_lock(&Mtx); Global = 43; pthread_mutex_unlock(&Mtx); @@ -24,6 +22,7 @@ void *Thread2(void *x) { } int main() { + barrier_init(&barrier, 2); pthread_t t[2]; pthread_create(&t[0], NULL, Thread1, NULL); pthread_create(&t[1], NULL, Thread2, NULL); @@ -36,7 +35,7 @@ int main() { // CHECK: WARNING: ThreadSanitizer: data race // CHECK-NEXT: Atomic read of size 1 at {{.*}} by thread T2: // CHECK-NEXT: #0 pthread_mutex_lock -// CHECK-NEXT: #1 Thread2{{.*}} {{.*}}race_on_mutex.c:20{{(:3)?}} ({{.*}}) +// CHECK-NEXT: #1 Thread2{{.*}} {{.*}}race_on_mutex.c:18{{(:3)?}} ({{.*}}) // CHECK: Previous write of size 1 at {{.*}} by thread T1: // CHECK-NEXT: #0 pthread_mutex_init {{.*}} ({{.*}}) -// CHECK-NEXT: #1 Thread1{{.*}} {{.*}}race_on_mutex.c:11{{(:3)?}} ({{.*}}) +// CHECK-NEXT: #1 Thread1{{.*}} {{.*}}race_on_mutex.c:8{{(:3)?}} ({{.*}}) |