From e5c24dfd010732ab6b80a96ad2a5414499c496c0 Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Thu, 29 Mar 2001 21:58:33 +0000
Subject: Use daemon() to spawn syslogd and klogd daemons. -Erik
---
klogd.c | 21 ++++-----------------
sysklogd/klogd.c | 21 ++++-----------------
sysklogd/syslogd.c | 22 ++++------------------
syslogd.c | 22 ++++------------------
4 files changed, 16 insertions(+), 70 deletions(-)
diff --git a/klogd.c b/klogd.c
index d5e330bdf..95d4eea65 100644
--- a/klogd.c
+++ b/klogd.c
@@ -124,18 +124,10 @@ static void doKlogd (void)
}
}
-static void daemon_init (char **argv, char *dz, void fn (void))
-{
- setsid(); /* start a new session? */
- strncpy(argv[0], dz, strlen(argv[0]));
- fn();
- exit(0);
-}
-
extern int klogd_main(int argc, char **argv)
{
/* no options, no getopt */
- int opt, pid;
+ int opt;
int doFork = TRUE;
/* do normal option parsing */
@@ -150,15 +142,10 @@ extern int klogd_main(int argc, char **argv)
}
if (doFork == TRUE) {
- pid = fork();
- if (pid < 0)
- exit(pid);
- else if (pid == 0) {
- daemon_init (argv, "klogd", doKlogd);
- }
- } else {
- doKlogd();
+ if (daemon(0, 1) < 0)
+ perror_msg_and_die("daemon");
}
+ doKlogd();
return EXIT_SUCCESS;
}
diff --git a/sysklogd/klogd.c b/sysklogd/klogd.c
index d5e330bdf..95d4eea65 100644
--- a/sysklogd/klogd.c
+++ b/sysklogd/klogd.c
@@ -124,18 +124,10 @@ static void doKlogd (void)
}
}
-static void daemon_init (char **argv, char *dz, void fn (void))
-{
- setsid(); /* start a new session? */
- strncpy(argv[0], dz, strlen(argv[0]));
- fn();
- exit(0);
-}
-
extern int klogd_main(int argc, char **argv)
{
/* no options, no getopt */
- int opt, pid;
+ int opt;
int doFork = TRUE;
/* do normal option parsing */
@@ -150,15 +142,10 @@ extern int klogd_main(int argc, char **argv)
}
if (doFork == TRUE) {
- pid = fork();
- if (pid < 0)
- exit(pid);
- else if (pid == 0) {
- daemon_init (argv, "klogd", doKlogd);
- }
- } else {
- doKlogd();
+ if (daemon(0, 1) < 0)
+ perror_msg_and_die("daemon");
}
+ doKlogd();
return EXIT_SUCCESS;
}
diff --git a/sysklogd/syslogd.c b/sysklogd/syslogd.c
index cc42c2942..e83ce48ae 100644
--- a/sysklogd/syslogd.c
+++ b/sysklogd/syslogd.c
@@ -562,18 +562,9 @@ static void doSyslogd (void)
} /* for main loop */
}
-static void daemon_init (char **argv, char *dz, void fn (void))
-{
- setsid();
- chdir ("/");
- strncpy(argv[0], dz, strlen(argv[0]));
- fn();
- exit(0);
-}
-
extern int syslogd_main(int argc, char **argv)
{
- int opt, pid;
+ int opt;
int doFork = TRUE;
char *p;
@@ -635,15 +626,10 @@ extern int syslogd_main(int argc, char **argv)
#endif
if (doFork == TRUE) {
- pid = fork();
- if (pid < 0)
- exit(pid);
- else if (pid == 0) {
- daemon_init (argv, "syslogd", doSyslogd);
- }
- } else {
- doSyslogd();
+ if (daemon(0, 1) < 0)
+ perror_msg_and_die("daemon");
}
+ doSyslogd();
return EXIT_SUCCESS;
}
diff --git a/syslogd.c b/syslogd.c
index cc42c2942..e83ce48ae 100644
--- a/syslogd.c
+++ b/syslogd.c
@@ -562,18 +562,9 @@ static void doSyslogd (void)
} /* for main loop */
}
-static void daemon_init (char **argv, char *dz, void fn (void))
-{
- setsid();
- chdir ("/");
- strncpy(argv[0], dz, strlen(argv[0]));
- fn();
- exit(0);
-}
-
extern int syslogd_main(int argc, char **argv)
{
- int opt, pid;
+ int opt;
int doFork = TRUE;
char *p;
@@ -635,15 +626,10 @@ extern int syslogd_main(int argc, char **argv)
#endif
if (doFork == TRUE) {
- pid = fork();
- if (pid < 0)
- exit(pid);
- else if (pid == 0) {
- daemon_init (argv, "syslogd", doSyslogd);
- }
- } else {
- doSyslogd();
+ if (daemon(0, 1) < 0)
+ perror_msg_and_die("daemon");
}
+ doSyslogd();
return EXIT_SUCCESS;
}
--
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