Redo previous slightly; add `-m' option to allow multiple instances.

This commit is contained in:
ad 2000-07-07 14:09:41 +00:00
parent 29494f79fb
commit 136e84eb05

View File

@ -1,4 +1,4 @@
/* $NetBSD: newsyslog.c,v 1.23 2000/07/07 13:53:14 ad Exp $ */
/* $NetBSD: newsyslog.c,v 1.24 2000/07/07 14:09:41 ad Exp $ */
/*
* Copyright (c) 1999, 2000 Andrew Doran <ad@NetBSD.org>
@ -57,7 +57,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: newsyslog.c,v 1.23 2000/07/07 13:53:14 ad Exp $");
__RCSID("$NetBSD: newsyslog.c,v 1.24 2000/07/07 14:09:41 ad Exp $");
#endif /* not lint */
#include <sys/types.h>
@ -103,8 +103,9 @@ struct conf_entry {
char logfile[MAXPATHLEN]; /* Path to log file */
};
int verbose = 0; /* Be verbose */
char hostname[MAXHOSTNAMELEN + 1]; /* Hostname, stripped of domain */
int verbose = 0; /* Be verbose */
int noaction = 0; /* Take no real action */
char hostname[MAXHOSTNAMELEN + 1]; /* Hostname, stripped of domain */
int main(int, char **);
int parse(struct conf_entry *, FILE *, size_t *);
@ -129,13 +130,14 @@ main(int argc, char **argv)
struct conf_entry ent;
FILE *fd;
char *p, *cfile;
int c, force, needroot;
int c, force, needroot, mutex;
size_t lineno;
uid_t euid;
pid_t oldpid;
force = 0;
needroot = 1;
mutex = 1;
cfile = _PATH_NEWSYSLOGCONF;
gethostname(hostname, sizeof(hostname));
@ -146,8 +148,14 @@ main(int argc, char **argv)
*p = '\0';
/* Parse command line options */
while ((c = getopt(argc, argv, "Frvf:")) != -1) {
while ((c = getopt(argc, argv, "f:Fmnrv")) != -1) {
switch (c) {
case 'm':
mutex = 0;
break;
case 'n':
noaction = 1;
break;
case 'r':
needroot = 0;
break;
@ -171,9 +179,11 @@ main(int argc, char **argv)
/* Prevent multiple instances if running as root */
if (euid == 0) {
if ((oldpid = readpidfile("newsyslog.pid")) == (pid_t)-1) {
errx(EXIT_FAILURE, "already running (pid %ld)",
(long)oldpid);
if (mutex) {
oldpid = readpidfile("newsyslog.pid");
if (oldpid != (pid_t)-1)
errx(EXIT_FAILURE, "already running (pid %ld)",
(long)oldpid);
}
pidfile("newsyslog");
}