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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 |
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.c | 30 |
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 0000000..44d4455 --- /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.*"*} */ |