Vendor import of compiler-rt trunk r338150:vendor/compiler-rt/compiler-rt-trunk-r338150

https://llvm.org/svn/llvm-project/compiler-rt/trunk@338150

1 files changed, 35 insertions, 0 deletions

diff --git a/test/lsan/TestCases/Linux/fork_with_threads.cc b/test/lsan/TestCases/Linux/fork_with_threads.cc
new file mode 100644
index 000000000000..221c5d249d77
--- /dev/null
+++ b/test/lsan/TestCases/Linux/fork_with_threads.cc
@@ -0,0 +1,35 @@
+// Test forked process does not run lsan.
+// RUN: %clangxx_lsan %s -o %t && %run %t 2>&1 | FileCheck %s
+
+#include <pthread.h>
+#include <stdlib.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+static pthread_barrier_t barrier;
+
+// CHECK-NOT: SUMMARY: {{(Leak|Address)}}Sanitizer:
+static void *thread_func(void *arg) {
+  void *buffer = malloc(1337);
+  pthread_barrier_wait(&barrier);
+  for (;;)
+    pthread_yield();
+  return 0;
+}
+
+int main() {
+  pthread_barrier_init(&barrier, 0, 2);
+  pthread_t tid;
+  int res = pthread_create(&tid, 0, thread_func, 0);
+  pthread_barrier_wait(&barrier);
+  pthread_barrier_destroy(&barrier);
+
+  pid_t pid = fork();
+  if (pid > 0) {
+    int status = 0;
+    waitpid(pid, &status, 0);
+  }
+  return 0;
+}
+
+// CHECK: WARNING: LeakSanitizer is disabled in forked process