diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/c-c++-common/tsan/mutexset1.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/c-c++-common/tsan/mutexset1.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/tsan/mutexset1.c b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/mutexset1.c new file mode 100644 index 000000000..7c32a8524 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/mutexset1.c @@ -0,0 +1,40 @@ +/* { dg-shouldfail "tsan" } */ + +#include <pthread.h> +#include <stdio.h> +#include <unistd.h> + +int Global; +pthread_mutex_t mtx; + +void *Thread1(void *x) { + sleep(1); + pthread_mutex_lock(&mtx); + Global++; + pthread_mutex_unlock(&mtx); + return NULL; +} + +void *Thread2(void *x) { + Global--; + return NULL;/* { dg-output ".*" } */ + +} + +int main() { + pthread_mutex_init(&mtx, 0); + pthread_t t[2]; + pthread_create(&t[0], NULL, Thread1, NULL); + pthread_create(&t[1], NULL, Thread2, NULL); + pthread_join(t[0], NULL); + pthread_join(t[1], NULL); + pthread_mutex_destroy(&mtx); + return 0; +} + +/* { dg-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r)" } */ +/* { dg-output " Read of size 4 at 0x\[0-9a-f\]+ by thread T1 \\(mutexes: write M\[0-9\]\\):.*" } */ +/* { dg-output " Previous write of size 4 at 0x\[0-9a-f\]+ by thread T2:.*" } */ +/* { dg-output " Mutex M\[0-9\] created at:.*" } */ +/* { dg-output " #0 pthread_mutex_init.*" } */ +/* { dg-output " #1 main (.*mutexset1.c|\\?{2}):\[0-9]+.*" } */ |