crash_generator.cc | Explore in Territory

// Copyright 2011 Google LLC
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//     * Neither the name of Google LLC nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// crash_generator.cc: Implement google_breakpad::CrashGenerator.
// See crash_generator.h for details.

#ifdef HAVE_CONFIG_H
#include <config.h>  // Must come first
#endif

#include "common/linux/tests/crash_generator.h"

#include <pthread.h>
#include <sched.h>
#include <signal.h>
#include <stdio.h>
#include <sys/mman.h>
#include <sys/resource.h>
#include <sys/syscall.h>
#include <sys/wait.h>
#include <unistd.h>

#include <string>

#if defined(__ANDROID__)
#include "common/android/testing/pthread_fixes.h"
#endif
#include "common/linux/eintr_wrapper.h"
#include "common/tests/auto_tempdir.h"
#include "common/tests/file_utils.h"
#include "common/using_std_string.h"

namespace {

struct ThreadData { … };

const char* const kProcFilesToCopy[] = …;
const size_t kNumProcFilesToCopy = …;

int gettid() { … }

int tkill(pid_t tid, int sig) { … }

// Core file size limit set to 1 MB, which is big enough for test purposes.
const rlim_t kCoreSizeLimit = …;

void* thread_function(void* data) { … }

}  // namespace

namespace google_breakpad {

CrashGenerator::CrashGenerator()
    : … { … }

CrashGenerator::~CrashGenerator() { … }

bool CrashGenerator::HasDefaultCorePattern() const { … }

string CrashGenerator::GetCoreFilePath() const { … }

string CrashGenerator::GetDirectoryOfProcFilesCopy() const { … }

pid_t CrashGenerator::GetThreadId(unsigned index) const { … }

pid_t* CrashGenerator::GetThreadIdPointer(unsigned index) { … }

bool CrashGenerator::MapSharedMemory(size_t memory_size) { … }

bool CrashGenerator::UnmapSharedMemory() { … }

bool CrashGenerator::SetCoreFileSizeLimit(rlim_t limit) const { … }

bool CrashGenerator::HasResourceLimitsAmenableToCrashCollection() const { … }

bool CrashGenerator::CreateChildCrash(
    unsigned num_threads, unsigned crash_thread, int crash_signal,
    pid_t* child_pid) { … }

bool CrashGenerator::CopyProcFiles(pid_t pid, const char* path) const { … }

void CrashGenerator::CreateThreadsInChildProcess(unsigned num_threads) { … }

}  // namespace google_breakpad
chromium/third_party/breakpad/breakpad/src/common/linux/tests/crash_generator.cc
