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/*========================== begin_copyright_notice ============================
Copyright (C) 2024 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#ifndef IGC_SIGNAL_GUARD_H
#define IGC_SIGNAL_GUARD_H
#include <csignal>
namespace IGC::detail {
class SignalGuard {
public:
SignalGuard(int Signal, void (*Handler)(int, siginfo_t *, void *)) : Signal(Signal) {
sigaction(Signal, nullptr, &SAOld);
struct sigaction SA{};
sigemptyset(&SA.sa_mask);
SA.sa_sigaction = Handler;
SA.sa_flags = 0;
sigaction(Signal, &SA, nullptr);
}
~SignalGuard() { sigaction(Signal, &SAOld, nullptr); }
SignalGuard(const SignalGuard &) = delete;
SignalGuard &operator=(const SignalGuard &) = delete;
private:
const int Signal;
struct sigaction SAOld;
}; // class SignalGuard
} // namespace IGC::detail
#define SET_SIG_HANDLER(SIG) ::IGC::detail::SignalGuard SG##SIG(SIG, signalHandler);
#define REMOVE_SIG_HANDLER(SIG) (void)SG##SIG;
#endif // IGC_SIGNAL_GUARD_H
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