Ignore pid-file option in no-fork mode (instead of producing empty file)

git-svn-id: svn://svn.lighttpd.net/spawn-fcgi/trunk@14 4a9f3682-ca7b-49a8-9a55-ba4640e46f83

NEWS

@@ -11,3 +11,4 @@ NEWS
   * Only try to connect to unix socket (not tcp) before spawning (fixes again #1575)
   * Only disconnect from terminal in fork mode (keep stderr/stdout open in nofork mode)
   * Allow numerical user and group ids for -u/-g (fixes #1141)
+  * Ignore pid-file option in no-fork mode (instead of producing empty file)

src/spawn-fcgi.c

@@ -349,7 +349,7 @@ static void show_help () {
 " -C <childs>  (PHP only) numbers of childs to spawn (default: not setting\n" \
 "              the PHP_FCGI_CHILDREN env var - php defaults to 0)\n" \
 " -F <childs>  numbers of childs to fork (default 1)\n" \
-" -P <path>    name of PID-file for spawed process\n" \
+" -P <path>    name of PID-file for spawed process (ignored in no-fork mode)\n" \
 " -n           no fork (for daemontools)\n" \
 " -v           show version\n" \
 " -?, -h       show this help\n" \
@@ -433,6 +433,8 @@ int main(int argc, char **argv) {
 		return -1;
 	}
 
+	if (nofork) pid_file = NULL; /* ignore pid file in no-fork mode */
+
 	if (pid_file &&
 	    (-1 == (pid_fd = open(pid_file, O_WRONLY | O_CREAT | O_EXCL | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)))) {
 		struct stat st;