initial code repo

[stor4nfv.git] / src / ceph / src / test / TestSignalHandlers.cc

diff --git a/src/ceph/src/test/TestSignalHandlers.cc b/src/ceph/src/test/TestSignalHandlers.cc
new file mode 100644 (file)
index 0000000..359cde0
--- /dev/null
+++ b/src/ceph/src/test/TestSignalHandlers.cc
@@ -0,0 +1,108 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2010 Dreamhost
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+/*
+ * TestSignalHandlers
+ *
+ * Test the Ceph signal handlers
+ */
+#include "common/ceph_argparse.h"
+#include "global/global_init.h"
+#include "common/errno.h"
+#include "common/debug.h"
+#include "common/config.h"
+
+#include <errno.h>
+#include <iostream>
+#include <sstream>
+#include <string>
+
+#define dout_context g_ceph_context
+using std::string;
+
+// avoid compiler warning about dereferencing NULL pointer
+static int* get_null()
+{
+  return 0;
+}
+
+static void simple_segv_test()
+{
+  generic_dout(-1) << "triggering SIGSEGV..." << dendl;
+  // cppcheck-suppress nullPointer
+  int i = *get_null();
+  std::cout << "i = " << i << std::endl;
+}
+
+// Given the name of the function, we can be pretty sure this is intentional.
+
+#pragma clang diagnostic push
+
+#pragma clang diagnostic ignored "-Winfinite-recursion"
+
+static void infinite_recursion_test_impl()
+{
+  infinite_recursion_test_impl();
+}
+
+#pragma clang diagnostic pop
+
+static void infinite_recursion_test()
+{
+  generic_dout(0) << "triggering SIGSEGV with infinite recursion..." << dendl;
+  infinite_recursion_test_impl();
+}
+
+static void usage()
+{
+  cerr << "usage: TestSignalHandlers [test]" << std::endl;
+  cerr << "--simple_segv: run simple_segv test" << std::endl;
+  cerr << "--infinite_recursion: run infinite_recursion test" << std::endl;
+  generic_client_usage(); // Will exit()
+}
+
+typedef void (*test_fn_t)(void);
+
+int main(int argc, const char **argv)
+{
+  vector<const char*> args;
+  argv_to_vec(argc, argv, args);
+  env_to_vec(args);
+
+  auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
+                        CODE_ENVIRONMENT_UTILITY, 0);
+  common_init_finish(g_ceph_context);
+
+  test_fn_t fn = NULL;
+  for (std::vector<const char*>::iterator i = args.begin(); i != args.end(); ) {
+    if (ceph_argparse_double_dash(args, i)) {
+      break;
+    } else if (ceph_argparse_flag(args, i, "-h", "--help", (char*)NULL)) {
+      usage();
+    } else if (ceph_argparse_flag(args, i, "--infinite_recursion", (char*)NULL)) {
+      fn = infinite_recursion_test;
+    } else if (ceph_argparse_flag(args, i, "-s", "--simple_segv", (char*)NULL)) {
+      fn = simple_segv_test;
+    } else {
+      cerr << "Garbage at end of command line." << std::endl;
+      usage();
+    }
+  }
+  if (!fn) {
+    std::cerr << "Please select a test to run. Type -h for help." << std::endl;
+    usage();
+  }
+  fn();
+  return 0;
+}