-#include "pidfile.h"
-
-
-static int daemonized;
-
-
-/*
- * This function makes sure our first socket calls
- * aren't going to fd 1 (printf badness...) and are
- * not later closed by daemon()
- */
-static inline void sanitize_fds(void)
-{
- int zero;
- if ((zero = open(_PATH_DEVNULL, O_RDWR, 0)) < 0) return;
- while (zero < 3) zero = dup(zero);
- close(zero);
-}
-
-
-void background(const char *pidfile)
-{
-#ifdef __uClinux__
- LOG(LOG_ERR, "Cannot background in uclinux (yet)");
-#else /* __uClinux__ */
- int pid_fd;
-
- /* hold lock during fork. */
- pid_fd = pidfile_acquire(pidfile);
- if (daemon(0, 0) == -1) {
- perror("fork");
- exit(1);
- }
- daemonized++;
- pidfile_write_release(pid_fd);
-#endif /* __uClinux__ */
-}
-
-
-#ifdef UDHCP_SYSLOG
-void udhcp_logging(int level, const char *fmt, ...)
-{
- va_list p;
- va_list p2;
-
- va_start(p, fmt);
- __va_copy(p2, p);
- if(!daemonized) {
- vprintf(fmt, p);
- putchar('\n');
- }
- vsyslog(level, fmt, p2);
- va_end(p);
-}
-
-
-void start_log_and_pid(const char *client_server, const char *pidfile)
-{
- int pid_fd;