-
- sigemptyset (&signals);
- sigaddset(&signals, SIGHUP);
- sigaddset(&signals, SIGINT);
- sigaddset(&signals, SIGQUIT);
- sigaddset(&signals, SIGPIPE);
- sigaddset(&signals, SIGTERM);
- sigaddset(&signals, SIGUSR1);
- sigaddset(&signals, SIGUSR2);
-
-
- /* install a handler because otherwise
- pthreads behaviour is undefined when we enter
- sigwait.
- */
-
- action.sa_handler = handler;
- action.sa_mask = signals;
- action.sa_flags = SA_RESTART|SA_RESETHAND;
-
- for (int i = 1; i < 32; i++) {
- if (sigismember (&signals, i)) {
- if (sigaction (i, &action, 0)) {
- cerr << string_compose (_("cannot setup signal handling for %1"), i) << endl;
- return -1;
- }
- }
- }
-
- /* this sets the signal mask for this and all
- subsequent threads that do not reset it.
- */