crash_handler.h

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/*
 * Copyright (c) 2017 Roc Streaming authors
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
//! @file roc_core/target_posix/roc_core/crash_handler.h
//! @brief Crash handling.
 
#ifndef ROC_CORE_CRASH_HANDLER_H_
#define ROC_CORE_CRASH_HANDLER_H_
 
#include <signal.h>
 
#include "roc_core/noncopyable.h"
 
namespace roc {
namespace core {
 
//! Crash handler.
class CrashHandler : public core::NonCopyable<> {
public:
    //! Install signal handlers.
    CrashHandler();
 
    //! Restore signal handlers.
    ~CrashHandler();
 
private:
    void install_(int sig);
    void uninstall_();
 
    enum { MaxSigs = 8 };
 
    struct sigaction sa_restore_[MaxSigs];
    int sig_restore_[MaxSigs];
    size_t restore_sz_;
};
 
} // namespace core
} // namespace roc
 
#endif // ROC_CORE_CRASH_HANDLER_H_