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-rw-r--r--src/components/utils/src/signals_posix.cc44
1 files changed, 42 insertions, 2 deletions
diff --git a/src/components/utils/src/signals_posix.cc b/src/components/utils/src/signals_posix.cc
index 274c254716..e13dc04f40 100644
--- a/src/components/utils/src/signals_posix.cc
+++ b/src/components/utils/src/signals_posix.cc
@@ -29,13 +29,16 @@
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
+#include <sys/wait.h>
#include <csignal>
#include <cstdlib>
#include <stdint.h>
+#include <iostream>
#include "utils/signals.h"
-bool utils::UnsibscribeFromTermination() {
+namespace utils {
+bool Signals::UnsubscribeFromTermination() {
// Disable some system signals receiving in thread
// by blocking those signals
// (system signals processes only in the main thread)
@@ -51,6 +54,42 @@ bool utils::UnsibscribeFromTermination() {
return !pthread_sigmask(SIG_BLOCK, &signal_set, NULL);
}
+bool Signals::UnsubscribeFromLowVoltageSignals(
+ const main_namespace::LowVoltageSignalsOffset& offset_data) {
+ // Disable Low Voltage signals in main thread
+ // due to all further threads will inherit signals mask
+ sigset_t signal_set;
+ sigemptyset(&signal_set);
+ const int SIGLOWVOLTAGE = SIGRTMIN + offset_data.low_voltage_signal_offset;
+ const int SIGWAKEUP = SIGRTMIN + offset_data.wake_up_signal_offset;
+ const int SIGIGNOFF = SIGRTMIN + offset_data.ignition_off_signal_offset;
+ sigaddset(&signal_set, SIGLOWVOLTAGE);
+ sigaddset(&signal_set, SIGWAKEUP);
+ sigaddset(&signal_set, SIGIGNOFF);
+
+ // Set signals mask to be blocked by thread
+ return !pthread_sigmask(SIG_BLOCK, &signal_set, nullptr);
+}
+
+void Signals::SendSignal(const int signo, const pid_t pid) {
+ if (kill(pid, signo) == -1) {
+ std::cerr << "Error sending signal: " << strsignal(signo) << " to " << pid
+ << " .Error: " << strerror(errno) << std::endl;
+ }
+}
+
+pid_t Signals::Fork() {
+ return fork();
+}
+
+void Signals::ExitProcess(const int status) {
+ exit(status);
+}
+
+void Signals::WaitPid(pid_t cpid, int* status, int options) {
+ waitpid(cpid, status, options);
+}
+
namespace {
bool CatchSIGSEGV(sighandler_t handler) {
struct sigaction act;
@@ -63,7 +102,7 @@ bool CatchSIGSEGV(sighandler_t handler) {
}
} // namespace
-bool utils::WaitTerminationSignals(sighandler_t sig_handler) {
+bool Signals::WaitTerminationSignals(sighandler_t sig_handler) {
sigset_t signal_set;
int sig = -1;
@@ -81,3 +120,4 @@ bool utils::WaitTerminationSignals(sighandler_t sig_handler) {
}
return false;
}
+} // namespace utils