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authorAlexey Samsonov <samsonov@google.com>2014-02-14 14:35:48 +0000
committerAlexey Samsonov <samsonov@google.com>2014-02-14 14:35:48 +0000
commite951fe4eec98de20b9b843f97fec2cca84c48b9c (patch)
treee5d5d3dbf11683bfde3cfd829ccea8ddbbc0dd0e /test/tsan/vptr_benign_race.cc
parentba2d0d7b386f38c97eee11749f2fc75449c2b253 (diff)
Move TSan lit-tests under test/tsan
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@201414 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/tsan/vptr_benign_race.cc')
-rw-r--r--test/tsan/vptr_benign_race.cc51
1 files changed, 51 insertions, 0 deletions
diff --git a/test/tsan/vptr_benign_race.cc b/test/tsan/vptr_benign_race.cc
new file mode 100644
index 000000000..8c9fc596e
--- /dev/null
+++ b/test/tsan/vptr_benign_race.cc
@@ -0,0 +1,51 @@
+// RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s
+#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_t sem_;
+};
+
+struct B : A {
+ virtual void F() {
+ }
+ virtual ~B() {
+ sem_wait(&sem_);
+ sem_destroy(&sem_);
+ }
+};
+
+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);
+ fprintf(stderr, "PASS\n");
+}
+// CHECK: PASS
+// CHECK-NOT: WARNING: ThreadSanitizer: data race