5405 static void save_pid(const char *pid_file) {  in save_pid()  argument
5407     if (access(pid_file, F_OK) == 0) {  in save_pid()
5408         if ((fp = fopen(pid_file, "r")) != NULL) {  in save_pid()
5426     snprintf(tmp_pid_file, sizeof(tmp_pid_file), "%s.tmp", pid_file);  in save_pid()
5438     if (rename(tmp_pid_file, pid_file) != 0) {  in save_pid()
5440                 tmp_pid_file, pid_file);  in save_pid()
5444 static void remove_pidfile(const char *pid_file) {  in remove_pidfile()  argument
5445   if (pid_file == NULL)  in remove_pidfile()
5448   if (unlink(pid_file) != 0) {  in remove_pidfile()
5449       vperror("Could not remove the pid file %s", pid_file);  in remove_pidfile()
5581     char *pid_file = NULL;  in main()  local
5788             pid_file = optarg;  in main()
6349     if (pid_file != NULL) {  in main()
6350         save_pid(pid_file);  in main()
6365         remove_pidfile(pid_file);  in main()