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author | Andrew Turner <andrew@FreeBSD.org> | 2012-07-30 10:58:13 +0000 |
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committer | Andrew Turner <andrew@FreeBSD.org> | 2012-07-30 10:58:13 +0000 |
commit | 37dfff057418e02f8e5322da12684dd927e3d881 (patch) | |
tree | 40cc44a3d02ed86de24f2117a55680e4f0eb01a0 /lib/tsan/output_tests/vptr_harmful_race.cc | |
parent | 864a7b98b54e1f984c248f3be83dfcc082a382ea (diff) | |
download | src-37dfff057418e02f8e5322da12684dd927e3d881.tar.gz src-37dfff057418e02f8e5322da12684dd927e3d881.zip |
Import compiler-rt r160957.vendor/compiler-rt/compiler-rt-r160957
Notes
Notes:
svn path=/vendor/compiler-rt/dist/; revision=238901
svn path=/vendor/compiler-rt/compiler-rt-r160957/; revision=238902; tag=vendor/compiler-rt/compiler-rt-r160957
Diffstat (limited to 'lib/tsan/output_tests/vptr_harmful_race.cc')
-rw-r--r-- | lib/tsan/output_tests/vptr_harmful_race.cc | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/tsan/output_tests/vptr_harmful_race.cc b/lib/tsan/output_tests/vptr_harmful_race.cc new file mode 100644 index 000000000000..a19e6abc7bc3 --- /dev/null +++ b/lib/tsan/output_tests/vptr_harmful_race.cc @@ -0,0 +1,48 @@ +#include <pthread.h> +#include <semaphore.h> +#include <stdio.h> + +struct A { + A() { + sem_init(&sem_, 0, 0); + } + virtual void F() { + } + void Done() { + sem_post(&sem_); + } + virtual ~A() { + sem_wait(&sem_); + sem_destroy(&sem_); + } + sem_t sem_; +}; + +struct B : A { + virtual void F() { + } + virtual ~B() { } +}; + +static A *obj = new B; + +void *Thread1(void *x) { + obj->F(); + obj->Done(); + return NULL; +} + +void *Thread2(void *x) { + delete obj; + 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); +} + +// CHECK: WARNING: ThreadSanitizer: data race |