diff options
Diffstat (limited to 'sink.c')
| -rw-r--r-- | sink.c | 22 |
1 files changed, 22 insertions, 0 deletions
@@ -169,7 +169,11 @@ static int smtp_open(struct query *ctl) /* these are shared by open_sink and stuffline */ static FILE *sinkfp; +#ifndef HAVE_SIGACTION static RETSIGTYPE (*sigchld)(int); +#else +static struct sigaction sa_old; +#endif /* HAVE_SIGACTION */ int stuffline(struct query *ctl, char *buf) /* ship a line to the given control block's output sink (SMTP server or MDA) */ @@ -488,6 +492,9 @@ int open_sink(struct query *ctl, struct msgblk *msg, /* set up sinkfp to be an input sink we can ship a message to */ { struct idlist *idp; +#ifdef HAVE_SIGACTION + struct sigaction sa_new; +#endif /* HAVE_SIGACTION */ *bad_addresses = *good_addresses = 0; @@ -688,7 +695,14 @@ int open_sink(struct query *ctl, struct msgblk *msg, return(PS_IOERR); } +#ifndef HAVE_SIGACTION sigchld = signal(SIGCHLD, SIG_DFL); +#else + memset (&sa_new, 0, sizeof sa_new); + sigemptyset (&sa_new.sa_mask); + sa_new.sa_handler = SIG_DFL; + sigaction (SIGCHLD, &sa_new, &sa_old); +#endif /* HAVE_SIGACTION */ } else /* forward to an SMTP or LMTP listener */ { @@ -873,7 +887,11 @@ void release_sink(struct query *ctl) pclose(sinkfp); sinkfp = (FILE *)NULL; } +#ifndef HAVE_SIGACTION signal(SIGCHLD, sigchld); +#else + sigaction (SIGCHLD, &sa_old, NULL); +#endif /* HAVE_SIGACTION */ } } @@ -892,7 +910,11 @@ int close_sink(struct query *ctl, struct msgblk *msg, flag forward) } else rc = 0; +#ifndef HAVE_SIGACTION signal(SIGCHLD, sigchld); +#else + sigaction (SIGCHLD, &sa_old, NULL); +#endif /* HAVE_SIGACTION */ if (rc) { report(stderr, |