SIG_BLOCK         157 event/modules/ngx_rtsig_module.c     if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) {
SIG_BLOCK         109 os/unix/ngx_process_cycle.c     if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) {
SIG_BLOCK        1221 os/unix/ngx_process_cycle.c     err = ngx_thread_sigmask(SIG_BLOCK, &set, NULL);