| /* vi: set sw=4 ts=4: |
| * |
| * nohup.c - run commandline with SIGHUP blocked. |
| * |
| * Copyright 2011 Rob Landley <rob@landley.net> |
| * |
| * See http://opengroup.org/onlinepubs/9699919799/utilities/nohup.html |
| |
| USE_NOHUP(NEWTOY(nohup, "<1", TOYFLAG_USR|TOYFLAG_BIN)) |
| |
| config NOHUP |
| bool "nohup" |
| default y |
| help |
| usage: nohup COMMAND [ARGS...] |
| |
| Run a command that survives the end of its terminal. |
| If stdin is a tty, redirect from /dev/null |
| If stdout is a tty, redirect to file "nohup.out" |
| */ |
| |
| #include "toys.h" |
| |
| void nohup_main(void) |
| { |
| signal(SIGHUP, SIG_IGN); |
| if (isatty(1)) { |
| close(1); |
| if (-1 == open("nohup.out", O_CREAT|O_APPEND|O_WRONLY, |
| S_IRUSR|S_IWUSR )) |
| { |
| char *temp = getenv("HOME"); |
| temp = xmsprintf("%s/%s", temp ? temp : "", "nohup.out"); |
| xcreate(temp, O_CREAT|O_APPEND|O_WRONLY, S_IRUSR|S_IWUSR); |
| } |
| } |
| if (isatty(0)) { |
| close(0); |
| open("/dev/null", O_RDONLY); |
| } |
| xexec(toys.optargs); |
| } |