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Diffstat (limited to 'lib/tsan/lit_tests/tls_race2.cc')
-rw-r--r-- | lib/tsan/lit_tests/tls_race2.cc | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/tsan/lit_tests/tls_race2.cc b/lib/tsan/lit_tests/tls_race2.cc new file mode 100644 index 000000000000..110abaa6a9df --- /dev/null +++ b/lib/tsan/lit_tests/tls_race2.cc @@ -0,0 +1,28 @@ +// RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s +#include <pthread.h> +#include <stddef.h> +#include <unistd.h> + +void *Thread2(void *a) { + *(int*)a = 43; + return 0; +} + +void *Thread(void *a) { + static __thread int Var = 42; + pthread_t t; + pthread_create(&t, 0, Thread2, &Var); + Var = 42; + pthread_join(t, 0); + return 0; +} + +int main() { + pthread_t t; + pthread_create(&t, 0, Thread, 0); + pthread_join(t, 0); +} + +// CHECK: WARNING: ThreadSanitizer: data race +// CHECK: Location is TLS of thread T1. + |