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| author | Dmitry Vyukov <dvyukov@google.com> | 2013-06-24 16:28:02 +0000 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2013-06-24 16:28:02 +0000 |
| commit | 5001d43dcb90af52f7fbe96c8a37237f7860679f (patch) | |
| tree | b7a78bef31d1a0ed6f0d298643ecc343b5bfb6a4 /compiler-rt/lib/tsan/lit_tests | |
| parent | 4cd3c9adf93715720153cc6fedf0cb0cc7583170 (diff) | |
| download | bcm5719-llvm-5001d43dcb90af52f7fbe96c8a37237f7860679f.tar.gz bcm5719-llvm-5001d43dcb90af52f7fbe96c8a37237f7860679f.zip | |
tsan: make the test more robust
currently it episodically fails
the hypothesis it is due to racy race detection algorithm
the sleep should make it more robust
llvm-svn: 184752
Diffstat (limited to 'compiler-rt/lib/tsan/lit_tests')
| -rw-r--r-- | compiler-rt/lib/tsan/lit_tests/tiny_race.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/compiler-rt/lib/tsan/lit_tests/tiny_race.c b/compiler-rt/lib/tsan/lit_tests/tiny_race.c index 44cc1332f2a..1ade8e2bf52 100644 --- a/compiler-rt/lib/tsan/lit_tests/tiny_race.c +++ b/compiler-rt/lib/tsan/lit_tests/tiny_race.c @@ -1,15 +1,21 @@ // RUN: %clang_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s #include <pthread.h> +#include <unistd.h> + int Global; + void *Thread1(void *x) { + sleep(1); Global = 42; return x; } + int main() { pthread_t t; - pthread_create(&t, NULL, Thread1, NULL); + pthread_create(&t, 0, Thread1, 0); Global = 43; - pthread_join(t, NULL); + pthread_join(t, 0); return Global; } + // CHECK: WARNING: ThreadSanitizer: data race |
