diff options
Diffstat (limited to 'compiler-rt/test/tsan/static_init2.cc')
-rw-r--r-- | compiler-rt/test/tsan/static_init2.cc | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/compiler-rt/test/tsan/static_init2.cc b/compiler-rt/test/tsan/static_init2.cc new file mode 100644 index 00000000000..96ef821a752 --- /dev/null +++ b/compiler-rt/test/tsan/static_init2.cc @@ -0,0 +1,33 @@ +// RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s +#include <pthread.h> +#include <stdlib.h> +#include <stdio.h> + +struct Cache { + int x; + explicit Cache(int x) + : x(x) { + } +}; + +void foo(Cache *my) { + static Cache *c = my ? my : new Cache(rand()); + if (c->x >= RAND_MAX) + exit(1); +} + +void *Thread(void *x) { + foo(new Cache(rand())); + return 0; +} + +int main() { + pthread_t t[2]; + pthread_create(&t[0], 0, Thread, 0); + pthread_create(&t[1], 0, Thread, 0); + pthread_join(t[0], 0); + pthread_join(t[1], 0); + printf("PASS\n"); +} + +// CHECK-NOT: WARNING: ThreadSanitizer: data race |