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// -*- 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()
{
cout << "usage: TestSignalHandlers [test]" << std::endl;
cout << "--simple_segv: run simple_segv test" << std::endl;
cout << "--infinite_recursion: run infinite_recursion test" << std::endl;
generic_client_usage();
}
typedef void (*test_fn_t)(void);
int main(int argc, const char **argv)
{
vector<const char*> args;
argv_to_vec(argc, argv, args);
if (args.empty()) {
cerr << argv[0] << ": -h or --help for usage" << std::endl;
exit(1);
}
if (ceph_argparse_need_usage(args)) {
usage();
exit(0);
}
auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
CODE_ENVIRONMENT_UTILITY,
CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
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, "--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 << "unrecognized argument: " << *i << std::endl;
exit(1);
}
}
if (!fn) {
std::cerr << "Please select a test to run. Type -h for help." << std::endl;
exit(1);
}
fn();
return 0;
}
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