sigprocmask       157 event/modules/ngx_rtsig_module.c     if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) {
sigprocmask        45 os/unix/ngx_freebsd_rfork_thread.h             (sigprocmask(how, set, oset) == -1) ? ngx_errno : 0
sigprocmask       109 os/unix/ngx_process_cycle.c     if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) {
sigprocmask       946 os/unix/ngx_process_cycle.c     if (sigprocmask(SIG_SETMASK, &set, NULL) == -1) {