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- /* This software is Copyright 1997 by Stan Barber.
- *
- * Permission is hereby granted to copy, reproduce, redistribute or otherwise
- * use this software as long as: there is no monetary profit gained
- * specifically from the use or reproduction of this software, it is not
- * sold, rented, traded or otherwise marketed, and this copyright notice is
- * included prominently in any copy made.
- *
- * The author make no claims as to the fitness or correctness of this software
- * for any use whatsoever, and it is provided as is. Any use of this software
- * is at the user's own risk.
- */
- #ifndef lint
- static char * rcsid = "$Id: sigfix.c,v 1.3 1997/01/19 02:53:22 sob Exp $";
- #endif
- #include "config.h"
-
- /*
- * delay_signaling(), enable_signaling - delay signal delivery for a while
- *
- * Original Author: Wietse Venema with small changes by Dave Kinchlea and
- * Stan Barber
- */
-
- /*
- * Some folks (notably those who do Linux hacking) say this fix is needed.
- * Others (notably the FreeBSD and BSDI folks) say if isn't.
- * I am making it possible to include of exclude it.
- * Just define NEED_SIGFIX and you get it.
- */
- #ifdef NEED_SIGFIX
- #include <sys/types.h>
- #include <sys/signal.h>
- #include <syslog.h>
-
- static sigset_t saved_sigmask;
- sigset_t block_sigmask; /* used in ftpd.c */
- static int delaying;
- static int init_done;
- #endif
- /* enable_signaling - deliver delayed signals and disable signal delay */
-
- #ifdef __STDC__
- int enable_signaling(void)
- #else
- int enable_signaling()
- #endif
- {
- #ifdef NEED_SIGFIX
- if (delaying != 0) {
- delaying = 0;
- if (sigprocmask(SIG_SETMASK, &saved_sigmask, (sigset_t *) 0) < 0) {
- syslog(LOG_ERR, "sigprocmask: %m");
- return (-1);
- }
- }
- #endif
- return (0);
- }
-
- /* delay_signaling - save signal mask and block all signals */
- #ifdef __STDC__
- int delay_signaling(void)
- #else
- int delay_signaling()
- #endif
- {
- #ifdef NEED_SIGFIX
- if (delaying == 0) {
- delaying = 1;
- if (sigprocmask(SIG_BLOCK, &block_sigmask, &saved_sigmask) < 0) {
- syslog(LOG_ERR, "sigprocmask: %m");
- return (-1);
- }
- }
- #endif
- return (0);
- }
-
-
-