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Diffstat (limited to 'test/tsan/simple_race.c')
-rw-r--r-- | test/tsan/simple_race.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/tsan/simple_race.c b/test/tsan/simple_race.c new file mode 100644 index 000000000000..7b60c5ec249e --- /dev/null +++ b/test/tsan/simple_race.c @@ -0,0 +1,29 @@ +// RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s +#include <pthread.h> +#include <stdio.h> +#include <unistd.h> + +int Global; + +void *Thread1(void *x) { + sleep(1); + Global = 42; + return NULL; +} + +void *Thread2(void *x) { + Global = 43; + return NULL; +} + +int main() { + 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); + return 0; +} + +// CHECK: WARNING: ThreadSanitizer: data race + |