4 int daemon(int nochdir, int noclose)
6 if (!nochdir && chdir("/"))
10 if ((fd = open("/dev/null", O_RDWR)) < 0) return -1;
11 if (dup2(fd, 0) < 0 || dup2(fd, 1) < 0 || dup2(fd, 2) < 0)
13 if (fd > 2) close(fd);
14 if (failed) return -1;
23 if (setsid() < 0) return -1;