diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/tsan/lots_of_threads.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/tsan/lots_of_threads.c b/test/tsan/lots_of_threads.c new file mode 100644 index 000000000..eef9b1cb0 --- /dev/null +++ b/test/tsan/lots_of_threads.c @@ -0,0 +1,30 @@ +// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s +#include "test.h" + +void *thr(void *arg) { + // Create a sync object on stack, so there is something to free on thread end. + volatile int x; + __atomic_fetch_add(&x, 1, __ATOMIC_SEQ_CST); + barrier_wait(&barrier); + return 0; +} + +int main() { + const int kThreads = 10; + barrier_init(&barrier, kThreads + 1); + pthread_t t[kThreads]; + pthread_attr_t attr; + pthread_attr_init(&attr); + pthread_attr_setstacksize(&attr, 16 << 20); + pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); + for (int i = 0; i < kThreads; i++) + pthread_create(&t[i], &attr, thr, 0); + pthread_attr_destroy(&attr); + barrier_wait(&barrier); + sleep(1); + fprintf(stderr, "DONE\n"); + return 0; +} + +// CHECK: DONE + |