1 files changed, 63 insertions, 0 deletions
diff --git a/ipc/ipdl/test/cxx/TestRacyReentry.cpp b/ipc/ipdl/test/cxx/TestRacyReentry.cpp
new file mode 100644
index 0000000000..4224018e11
--- /dev/null
+++ b/ipc/ipdl/test/cxx/TestRacyReentry.cpp
@@ -0,0 +1,63 @@
+#include "TestRacyReentry.h"
+
+#include "IPDLUnitTests.h"  // fail etc.
+
+namespace mozilla {
+namespace _ipdltest {
+
+//-----------------------------------------------------------------------------
+// parent
+
+TestRacyReentryParent::TestRacyReentryParent() : mRecvdE(false) {
+  MOZ_COUNT_CTOR(TestRacyReentryParent);
+}
+
+TestRacyReentryParent::~TestRacyReentryParent() {
+  MOZ_COUNT_DTOR(TestRacyReentryParent);
+}
+
+void TestRacyReentryParent::Main() {
+  if (!SendStart()) fail("sending Start");
+
+  if (!SendN()) fail("sending N");
+}
+
+mozilla::ipc::IPCResult TestRacyReentryParent::AnswerE() {
+  if (!mRecvdE) {
+    mRecvdE = true;
+    return IPC_OK();
+  }
+
+  if (!CallH()) fail("calling H");
+
+  return IPC_OK();
+}
+
+//-----------------------------------------------------------------------------
+// child
+
+TestRacyReentryChild::TestRacyReentryChild() {
+  MOZ_COUNT_CTOR(TestRacyReentryChild);
+}
+
+TestRacyReentryChild::~TestRacyReentryChild() {
+  MOZ_COUNT_DTOR(TestRacyReentryChild);
+}
+
+mozilla::ipc::IPCResult TestRacyReentryChild::RecvStart() {
+  if (!CallE()) fail("calling E");
+
+  Close();
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult TestRacyReentryChild::RecvN() {
+  if (!CallE()) fail("calling E");
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult TestRacyReentryChild::AnswerH() { return IPC_OK(); }
+
+}  // namespace _ipdltest
+}  // namespace mozilla