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* Copyright 2020 Google LLC
* Licensed under both the 3-Clause BSD License and the GPLv2, found in the
* LICENSE and LICENSE.GPL-2.0 files, respectively, in the root directory.
* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
#include <signal.h>
#include <functional>
// See "The siginfo_t argument to a SA_SIGINFO handler"
// at
using PosixFaultHandler = std::function<void(int, siginfo_t*, void*)>;
// Run `inner` with a signal handler installed to catch failure signals,
// currently defined as `SIGSEGV`. If such a signal is raised, the signal
// handler calls `handler` and then returns from RunWithFaultHandler.
// Returns true iff a signal was handled.
bool RunWithFaultHandler(std::function<void()> inner,
PosixFaultHandler handler);
// Convenience adapter for callers that don't need signal details.
inline bool RunWithFaultHandler(std::function<void()> inner,
std::function<void()> handler) {
return RunWithFaultHandler(inner,
[handler](int, siginfo_t*, void*) { handler(); });
#endif // DEMOS_FAULTS_H_