[compiler-rt] r340769 - [lsan] Check that leak sanitizer works in the forked process

[Vitaly Buka via llvm-commits]

Author: vitalybuka
Date: Mon Aug 27 12:15:05 2018
New Revision: 340769

URL: http://llvm.org/viewvc/llvm-project?rev=340769&view=rev
Log:
[lsan] Check that leak sanitizer works in the forked process

Regression test for PR38698

Added:
    compiler-rt/trunk/test/lsan/TestCases/Linux/fork_and_leak.cc

Added: compiler-rt/trunk/test/lsan/TestCases/Linux/fork_and_leak.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/lsan/TestCases/Linux/fork_and_leak.cc?rev=340769&view=auto
==============================================================================
--- compiler-rt/trunk/test/lsan/TestCases/Linux/fork_and_leak.cc (added)
+++ compiler-rt/trunk/test/lsan/TestCases/Linux/fork_and_leak.cc Mon Aug 27 12:15:05 2018
@@ -0,0 +1,23 @@
+// Test that leaks detected after forking without exec().
+// RUN: %clangxx_lsan %s -o %t && not %run %t 2>&1 | FileCheck %s
+
+#include <assert.h>
+#include <stdlib.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+int main() {
+  pid_t pid = fork();
+  assert(pid >= 0);
+  if (pid > 0) {
+    int status = 0;
+    waitpid(pid, &status, 0);
+    assert(WIFEXITED(status));
+    return WEXITSTATUS(status);
+  } else {
+    malloc(1337);
+    // CHECK: LeakSanitizer: detected memory leaks
+  }
+  return 0;
+}
+