blob: 78b3ab29e580f8e3e0a37bac9c5125413fe19aaa [file] [log] [blame]
// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "starboard/shared/signal/crash_signals.h"
#include <signal.h>
#include "starboard/configuration.h"
#include "starboard/log.h"
#include "starboard/shared/signal/signal_internal.h"
#include "starboard/system.h"
namespace starboard {
namespace shared {
namespace signal {
namespace {
const int kCrashSignalsToTrap[] = {
SIGABRT, SIGBUS, SIGFPE, SIGILL, SIGSEGV, SIGSYS,
};
const int kStopSignalsToTrap[] = {
SIGHUP,
};
void Crash(int signal_id) {
DumpStackSignalSafe(signal_id);
UninstallCrashSignalHandlers();
SbSystemBreakIntoDebugger();
}
void Quit(int signal_id) {
DumpStackSignalSafe(signal_id);
::signal(SIGQUIT, SIG_DFL);
::raise(SIGQUIT);
}
void Stop(int signal_id) {
LogSignalCaught(signal_id);
SbSystemRequestStop(0);
}
} // namespace
void InstallCrashSignalHandlers() {
for (int i = 0; i < SB_ARRAY_SIZE_INT(kCrashSignalsToTrap); ++i) {
::signal(kCrashSignalsToTrap[i], &Crash);
}
for (int i = 0; i < SB_ARRAY_SIZE_INT(kStopSignalsToTrap); ++i) {
::signal(kStopSignalsToTrap[i], &Stop);
}
::signal(SIGQUIT, &Quit);
}
void UninstallCrashSignalHandlers() {
for (int i = 0; i < SB_ARRAY_SIZE_INT(kCrashSignalsToTrap); ++i) {
::signal(kCrashSignalsToTrap[i], SIG_DFL);
}
for (int i = 0; i < SB_ARRAY_SIZE_INT(kStopSignalsToTrap); ++i) {
::signal(kStopSignalsToTrap[i], SIG_DFL);
}
::signal(SIGQUIT, SIG_DFL);
}
} // namespace signal
} // namespace shared
} // namespace starboard