diff options
Diffstat (limited to 'src/components/utils/src/signals_linux.cc')
| -rw-r--r-- | src/components/utils/src/signals_linux.cc | 83 |
1 files changed, 46 insertions, 37 deletions
diff --git a/src/components/utils/src/signals_linux.cc b/src/components/utils/src/signals_linux.cc index 3ded6a587..2e598d1b0 100644 --- a/src/components/utils/src/signals_linux.cc +++ b/src/components/utils/src/signals_linux.cc @@ -1,54 +1,63 @@ /* -* Copyright (c) 2014, Ford Motor Company -* All rights reserved. -* -* 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 the Ford Motor Company 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 HOLDER 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. -*/ + * Copyright (c) 2014, Ford Motor Company + * All rights reserved. + * + * 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 the Ford Motor Company 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 HOLDER 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. + */ #include <csignal> #include <cstdlib> #include <stdint.h> +#include "utils/signals.h" + namespace utils { -bool SubscribeToTerminateSignal(void (*func)(int32_t p)) { +bool SubscribeToTerminateSignal(sighandler_t func) { struct sigaction act; act.sa_handler = func; sigemptyset(&act.sa_mask); act.sa_flags = 0; - return (sigaction(SIGINT, &act, NULL) == 0) - && (sigaction(SIGTERM, &act, NULL) == 0); + bool sigint_subscribed = (sigaction(SIGINT, &act, NULL) == 0); + bool sigterm_subscribed = (sigaction(SIGTERM, &act, NULL) == 0); + + return sigint_subscribed && sigterm_subscribed; } -bool ResetSubscribeToTerminateSignal() { - void (*prev_func)(int32_t p); - prev_func = signal(SIGINT, SIG_DFL); - return (SIG_ERR != prev_func); +bool SubscribeToFaultSignal(sighandler_t func) { + struct sigaction act; + act.sa_handler = func; + sigemptyset(&act.sa_mask); + act.sa_flags = SA_RESETHAND; // we only want to catch SIGSEGV once to flush logger queue + + bool sigsegv_subscribed = (sigaction(SIGSEGV, &act, NULL) == 0); + + return sigsegv_subscribed; } } // namespace utils |