1 files changed, 28 insertions, 0 deletions
diff --git a/test/Analysis/Inputs/system-header-simulator-for-pthread-lock.h b/test/Analysis/Inputs/system-header-simulator-for-pthread-lock.h
new file mode 100644
index 000000000000..b290ffe8d879
--- /dev/null
+++ b/test/Analysis/Inputs/system-header-simulator-for-pthread-lock.h
@@ -0,0 +1,28 @@
+// Like the compiler, the static analyzer treats some functions differently if
+// they come from a system header -- for example, pthread_mutex* functions
+// should not invalidate regions of their arguments.
+#pragma clang system_header
+
+typedef struct {
+	void	*foo;
+} pthread_mutex_t;
+
+typedef struct {
+	void	*foo;
+} pthread_mutexattr_t;
+
+typedef struct {
+	void	*foo;
+} lck_grp_t;
+
+typedef pthread_mutex_t lck_mtx_t;
+
+extern int pthread_mutex_lock(pthread_mutex_t *);
+extern int pthread_mutex_unlock(pthread_mutex_t *);
+extern int pthread_mutex_trylock(pthread_mutex_t *);
+extern int pthread_mutex_destroy(pthread_mutex_t *);
+extern int pthread_mutex_init(pthread_mutex_t  *mutex, const pthread_mutexattr_t *mutexattr);
+extern int lck_mtx_lock(lck_mtx_t *);
+extern int lck_mtx_unlock(lck_mtx_t *);
+extern int lck_mtx_try_lock(lck_mtx_t *);
+extern void lck_mtx_destroy(lck_mtx_t *lck, lck_grp_t *grp);