10f66f451Sopenharmony_ci/* nohup.c - run commandline with SIGHUP blocked. 20f66f451Sopenharmony_ci * 30f66f451Sopenharmony_ci * Copyright 2011 Rob Landley <rob@landley.net> 40f66f451Sopenharmony_ci * 50f66f451Sopenharmony_ci * See http://opengroup.org/onlinepubs/9699919799/utilities/nohup.html 60f66f451Sopenharmony_ci 70f66f451Sopenharmony_ciUSE_NOHUP(NEWTOY(nohup, "<1^", TOYFLAG_USR|TOYFLAG_BIN|TOYFLAG_ARGFAIL(125))) 80f66f451Sopenharmony_ci 90f66f451Sopenharmony_ciconfig NOHUP 100f66f451Sopenharmony_ci bool "nohup" 110f66f451Sopenharmony_ci default y 120f66f451Sopenharmony_ci help 130f66f451Sopenharmony_ci usage: nohup COMMAND... 140f66f451Sopenharmony_ci 150f66f451Sopenharmony_ci Run a command that survives the end of its terminal. 160f66f451Sopenharmony_ci 170f66f451Sopenharmony_ci Redirect tty on stdin to /dev/null, tty on stdout to "nohup.out". 180f66f451Sopenharmony_ci*/ 190f66f451Sopenharmony_ci 200f66f451Sopenharmony_ci#include "toys.h" 210f66f451Sopenharmony_ci 220f66f451Sopenharmony_civoid nohup_main(void) 230f66f451Sopenharmony_ci{ 240f66f451Sopenharmony_ci toys.exitval = 125; 250f66f451Sopenharmony_ci xsignal(SIGHUP, SIG_IGN); 260f66f451Sopenharmony_ci if (isatty(1)) { 270f66f451Sopenharmony_ci close(1); 280f66f451Sopenharmony_ci if (-1 == open("nohup.out", O_CREAT|O_APPEND|O_WRONLY, 290f66f451Sopenharmony_ci S_IRUSR|S_IWUSR )) 300f66f451Sopenharmony_ci { 310f66f451Sopenharmony_ci char *temp = getenv("HOME"); 320f66f451Sopenharmony_ci 330f66f451Sopenharmony_ci temp = xmprintf("%s/%s", temp ? temp : "", "nohup.out"); 340f66f451Sopenharmony_ci xcreate(temp, O_CREAT|O_APPEND|O_WRONLY, 0600); 350f66f451Sopenharmony_ci free(temp); 360f66f451Sopenharmony_ci } 370f66f451Sopenharmony_ci } 380f66f451Sopenharmony_ci if (isatty(0)) { 390f66f451Sopenharmony_ci close(0); 400f66f451Sopenharmony_ci xopen_stdio("/dev/null", O_RDONLY); 410f66f451Sopenharmony_ci } 420f66f451Sopenharmony_ci toys.exitval = 0; 430f66f451Sopenharmony_ci xexec(toys.optargs); 440f66f451Sopenharmony_ci} 45