diff options
Diffstat (limited to 'fetchmail.c')
| -rw-r--r-- | fetchmail.c | 38 |
1 files changed, 25 insertions, 13 deletions
diff --git a/fetchmail.c b/fetchmail.c index c255530e..80856024 100644 --- a/fetchmail.c +++ b/fetchmail.c @@ -304,6 +304,14 @@ int main (int argc, char **argv) if (!nodetach) daemonize(logfile, termhook); error( 0, 0, "starting fetchmail %s daemon ", RELEASE_ID); + + /* + * We'll set up a handler for these when we're sleeping, + * but ignore them otherwise so as not to interrupt a poll. + */ + signal(SIGUSR1, SIG_IGN); + if (poll_interval && !getuid()) + signal(SIGHUP, SIG_IGN); } /* beyond here we don't want more than one fetchmail running per user */ @@ -315,20 +323,8 @@ int main (int argc, char **argv) signal(SIGPIPE, termhook); signal(SIGQUIT, termhook); - /* - * With this simple hack, we make it possible for a foreground - * fetchmail to wake up one in daemon mode. What we want is the - * side effect of interrupting any sleep that may be going on, - * forcing fetchmail to re-poll its hosts. - */ - signal(SIGUSR1, donothing); - - /* pacify people who think all system daemons wake up on SIGHUP */ - if (poll_interval && !getuid()) - signal(SIGHUP, donothing); - /* here's the exclusion lock */ - if ( (lockfp = fopen(lockfile,"w")) != NULL ) { + if ((lockfp = fopen(lockfile,"w")) != NULL) { fprintf(lockfp,"%d",getpid()); if (poll_interval) fprintf(lockfp," %d", poll_interval); @@ -467,6 +463,17 @@ int main (int argc, char **argv) } /* + * With this simple hack, we make it possible for a foreground + * fetchmail to wake up one in daemon mode. What we want is the + * side effect of interrupting any sleep that may be going on, + * forcing fetchmail to re-poll its hosts. The second line is + * for people who think all system daemons wake up on SIGHUP. + */ + signal(SIGUSR1, donothing); + if (!getuid()) + signal(SIGHUP, donothing); + + /* * We can't use sleep(3) here because we need an alarm(3) * equivalent in order to implement server nonresponse timeout. * We'll just assume setitimer(2) is available since fetchmail @@ -494,6 +501,11 @@ int main (int argc, char **argv) } } + /* now lock out interrupts again */ + signal(SIGUSR1, SIG_IGN); + if (!getuid()) + signal(SIGHUP, SIG_IGN); + if (outlevel == O_VERBOSE) { time_t now; |