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isdn4k-utils
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Close stdout and stderr if we're becoming a daemon.

This commit is contained in:
paul 2001-08-18 12:01:25 +00:00
parent 78aeecb340
commit 0039150ce6
1 changed files with 13 additions and 3 deletions
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16
isdnlog/isdnlog/isdnlog.c
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@ -1,4 +1,4 @@
/* $Id: isdnlog.c,v 1.66 2000/09/05 08:05:02 paul Exp $ /* $Id: isdnlog.c,v 1.67 2001/08/18 12:01:25 paul Exp $
* *
* ISDN accounting for isdn4linux. (log-module) * ISDN accounting for isdn4linux. (log-module)
* *
@ -19,6 +19,9 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* *
* $Log: isdnlog.c,v $ * $Log: isdnlog.c,v $
* Revision 1.67 2001/08/18 12:01:25 paul
* Close stdout and stderr if we're becoming a daemon.
*
* Revision 1.66 2000/09/05 08:05:02 paul * Revision 1.66 2000/09/05 08:05:02 paul
* Now isdnlog doesn't use any more ISDN_XX defines to determine the way it works. * Now isdnlog doesn't use any more ISDN_XX defines to determine the way it works.
* It now uses the value of "COUNTRYCODE = 999" to determine the country, and sets * It now uses the value of "COUNTRYCODE = 999" to determine the country, and sets
@ -1003,11 +1006,17 @@ int set_options(int argc, char* argv[])
if (syslogmessage == -1) if (syslogmessage == -1)
syslogmessage = defaultmsg; syslogmessage = defaultmsg;
fflush(stdout); /* always advisable before a fork */
fflush(stderr);
switch (fork()) { switch (fork()) {
case -1 : print_msg(PRT_ERR,"%s","Can not fork()!\n"); case -1 : print_msg(PRT_ERR,"%s","Can not fork()!\n");
Exit(18); Exit(18);
break; break;
case 0 : break; case 0 : /* we're a daemon, so "close" stdout, stderr */
/* stdin is "closed" elsewhere */
freopen("/dev/null", "a+", stdout);
freopen("/dev/null", "a+", stderr);
break;
default : _exit(0); default : _exit(0);
} }
@ -1015,7 +1024,7 @@ int set_options(int argc, char* argv[])
/* Wenn message nicht explixit gesetzt wurde, dann gibt es beim daemon auch /* Wenn message nicht explixit gesetzt wurde, dann gibt es beim daemon auch
kein Output auf der Console/ttyx */ kein Output auf der Console/ttyx */
if (!outfile && !newmessage && (ptty == NULL)) if (!outfile && !newmessage && !ptty)
message = 0; message = 0;
} /* if */ } /* if */
@ -1670,3 +1679,4 @@ int main(int argc, char *argv[], char *envp[])
Exit(res); Exit(res);
return(res); return(res);
} /* main */ } /* main */
/* vim:set ts=2: */