From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- .../gcc/testsuite/c-c++-common/tsan/sleep_sync.c | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c (limited to 'gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c') 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 +#include + +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.*"*} */ -- cgit v1.2.3