SIGALRM           155 event/modules/ngx_rtsig_module.c     sigaddset(&set, SIGALRM);
SIGALRM           420 event/modules/ngx_rtsig_module.c     } else if (signo == SIGALRM) {
SIGALRM           636 event/ngx_event.c         if (sigaction(SIGALRM, &sa, NULL) == -1) {
SIGALRM            68 os/unix/ngx_process.c     { SIGALRM, "SIGALRM", "", ngx_signal_handler },
SIGALRM           375 os/unix/ngx_process.c         case SIGALRM:
SIGALRM            99 os/unix/ngx_process_cycle.c     sigaddset(&set, SIGALRM);