aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c
diff options
context:
space:
mode:
authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
downloadtoolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c')
-rw-r--r--gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c
new file mode 100644
index 000000000..44d44554c
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c
@@ -0,0 +1,30 @@
+/* { dg-shouldfail "tsan" } */
+
+#include <pthread.h>
+#include <unistd.h>
+
+int X = 0;
+
+void MySleep() {
+ sleep(1);
+}
+
+void *Thread(void *p) {
+ MySleep(); // Assume the main thread has done the write.
+ X = 42;
+ return 0;
+}
+
+int main() {
+ pthread_t t;
+ pthread_create(&t, 0, Thread, 0);
+ X = 43;
+ pthread_join(t, 0);
+ return 0;
+}
+
+/* { dg-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r).*} */
+/* { dg-output " As if synchronized via sleep:(\n|\r\n|\r)} */
+/* { dg-output " #0 sleep.*"*} */
+/* { dg-output " #1 MySleep.*"*} */
+/* { dg-output " #2 Thread.*"*} */