libexec/lukemftpd/nbsd_pidfile.h

   1 /* $FreeBSD$ */
   2
   3 #include <sys/stdint.h>
   4 #include <sysexits.h>
   5
   6 static int
   7 pidfile(const char *basename)
   8 {
   9         struct pidfh *pfh;
  10         pid_t otherpid, childpid;
  11
  12         if (basename != NULL) {
  13                 errx(EX_USAGE, "Need to implement NetBSD semantics.");
  14         }
  15
  16         pfh = pidfile_open(basename, 0644, &otherpid);
  17         if (pfh == NULL) {
  18                 if (errno == EEXIST) {
  19                         errx(EXIT_FAILURE, "Daemon already running, pid: %jd.",
  20                             (intmax_t)otherpid);
  21                 }
  22                 /* If we cannot create pidfile from other reasons, only warn. */
  23                 warn("Cannot open or create pidfile");
  24                 return -1;
  25         }
  26
  27         pidfile_write(pfh);
  28         pidfile_close(pfh);
  29         return 0;
  30 }