commit 41291131284471eed7cb6c22cac8b442fd3d1c52
author Josh Gao <jmgao@google.com> Thu May 07 19:43:38 2020 -0700
committer Josh Gao <jmgao@google.com> Thu May 07 20:18:45 2020 -0700
tree 2c3d0a4a905545d3c15f17089e1ab818b7f2c7a4
parent 65fb2a7f0304fda4463771ae40f8b83728e74a62

fdtrack: don't do anything while vforked.

Bug: http://b/153926671
Test: 32/64-bit bionic-unit-tests on blueline, x86_64 emulator
Change-Id: If42905f3d6a76ed70a45e5b9edd029ffd7789045

tests/fdtrack_test.cpp

diff --git a/tests/fdtrack_test.cpp b/tests/fdtrack_test.cpp
index bfa3dd1..44aa033 100644
--- a/tests/fdtrack_test.cpp
+++ b/tests/fdtrack_test.cpp
@@ -257,4 +257,24 @@
   ASSERT_EQ(3, ReceiveFileDescriptors(sockets[1], buf, sizeof(buf), &received_fd));
   received_fd.release();
 }));
+
+FDTRACK_TEST_NAME(vfork, "open", ({
+  int fd = open("/dev/null", O_RDONLY);
+
+  pid_t rc = vfork();
+  ASSERT_NE(-1, rc);
+
+  if (rc == 0) {
+    close(fd);
+    _exit(0);
+  }
+
+  int status;
+  pid_t wait_result = waitpid(rc, &status, 0);
+  ASSERT_EQ(wait_result, rc);
+  ASSERT_TRUE(WIFEXITED(status));
+  ASSERT_EQ(0, WEXITSTATUS(status));
+
+  fd;
+}));
 // clang-format on