sigchld_action 191 src/main.c struct sigaction sigchld_action; sigchld_action 193 src/main.c memset (&sigchld_action, 0, sizeof (sigchld_action)); sigchld_action 194 src/main.c sigchld_action.sa_handler = sigchld_action 200 src/main.c sigemptyset (&sigchld_action.sa_mask); sigchld_action 203 src/main.c sigchld_action.sa_flags = SA_RESTART; sigchld_action 206 src/main.c if (sigaction (SIGCHLD, &sigchld_action, NULL) == -1)