diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/c-c++-common/tsan/race_on_mutex.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/c-c++-common/tsan/race_on_mutex.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/tsan/race_on_mutex.c b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/race_on_mutex.c index 5dad345d8..ae30d053c 100644 --- a/gcc-4.9/gcc/testsuite/c-c++-common/tsan/race_on_mutex.c +++ b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/race_on_mutex.c @@ -1,10 +1,10 @@ /* { dg-shouldfail "tsan" } */ +/* { dg-additional-options "-ldl" } */ #include <pthread.h> -#include <stdio.h> -#include <stddef.h> -#include <unistd.h> +#include "tsan_barrier.h" +static pthread_barrier_t barrier; pthread_mutex_t Mtx; int Global; @@ -13,11 +13,12 @@ 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); @@ -25,6 +26,7 @@ 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); @@ -37,7 +39,7 @@ int main() { /* { dg-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r)" } */ /* { dg-output " Atomic read of size 1 at .* by thread T2:(\n|\r\n|\r)" } */ /* { dg-output " #0 pthread_mutex_lock.*" } */ -/* { dg-output " #1 Thread2.* .*(race_on_mutex.c:21|\\?{2}:0) (.*)" } */ +/* { dg-output " #1 Thread2.* .*(race_on_mutex.c:22|\\?{2}:0) (.*)" } */ /* { dg-output " Previous write of size 1 at .* by thread T1:(\n|\r\n|\r)" } */ /* { dg-output " #0 pthread_mutex_init .* (.)*" } */ /* { dg-output " #1 Thread1.* .*(race_on_mutex.c:12|\\?{2}:0) .*" } */ |