[msan] Intercept pthread_getname_np.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@321544 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 34 insertions, 0 deletions

diff --git a/test/msan/pthread_getname_np.cc b/test/msan/pthread_getname_np.cc
new file mode 100644
index 000000000..ca27d8b6f
--- /dev/null
+++ b/test/msan/pthread_getname_np.cc
@@ -0,0 +1,34 @@
+// RUN: %clangxx_msan -std=c++11 -O0 %s -o %t && %run %t
+// UNSUPPORTED: android, netbsd
+
+// Regression test for a deadlock in pthread_getattr_np
+
+#include <assert.h>
+#include <pthread.h>
+#include <string.h>
+#include <sanitizer/msan_interface.h>
+
+#include <stdio.h>
+
+void *ThreadFn(void *) {
+  return nullptr;
+}
+
+int main(void) {
+  pthread_t t;
+  int res = pthread_create(&t, 0, ThreadFn, 0);
+  assert(!res);
+
+  const char *kMyThreadName = "my-thread-name";
+  res = pthread_setname_np(t, kMyThreadName);
+  assert(!res);
+
+  char buf[100];
+  res = pthread_getname_np(t, buf, sizeof(buf));
+  assert(!res);
+  assert(strcmp(buf, kMyThreadName) == 0);
+
+  res = pthread_join(t, 0);
+  assert(!res);
+  return 0;
+}