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Diffstat (limited to 'test/tsan/race_on_mutex.c')
-rw-r--r--test/tsan/race_on_mutex.c32
1 files changed, 14 insertions, 18 deletions
diff --git a/test/tsan/race_on_mutex.c b/test/tsan/race_on_mutex.c
index d998fdca2df3..c7f5e06392c5 100644
--- a/test/tsan/race_on_mutex.c
+++ b/test/tsan/race_on_mutex.c
@@ -1,26 +1,30 @@
// RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
-// This test fails on powerpc64 (VMA=46).
-// The size of the write reported by Tsan for T1 is 8 instead of 1.
-// XFAIL: powerpc64-unknown-linux-gnu
#include "test.h"
pthread_mutex_t Mtx;
int Global;
-void *Thread1(void *x) {
- pthread_mutex_init(&Mtx, 0);
+void *Thread2(void *x) {
+ barrier_wait(&barrier);
+// 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:[[@LINE+1]]{{(:3)?}} ({{.*}})
pthread_mutex_lock(&Mtx);
- Global = 42;
+ Global = 43;
pthread_mutex_unlock(&Mtx);
- barrier_wait(&barrier);
return NULL;
}
-void *Thread2(void *x) {
- barrier_wait(&barrier);
+void *Thread1(void *x) {
+// CHECK: Previous write of size {{[0-9]+}} at {{.*}} by thread T1:
+// CHECK: #{{[0-9]+}} {{.*}}pthread_mutex_init {{.*}} ({{.*}})
+// CHECK-NEXT: #{{[0-9]+}} Thread1{{.*}} {{.*}}race_on_mutex.c:[[@LINE+1]]{{(:3)?}} ({{.*}})
+ pthread_mutex_init(&Mtx, 0);
pthread_mutex_lock(&Mtx);
- Global = 43;
+ Global = 42;
pthread_mutex_unlock(&Mtx);
+ barrier_wait(&barrier);
return NULL;
}
@@ -34,11 +38,3 @@ int main() {
pthread_mutex_destroy(&Mtx);
return 0;
}
-
-// 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:21{{(: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)?}} ({{.*}})