| /* 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|TOYFLAG_ARGFAIL(125))) |
| |
| config NOHUP |
| bool "nohup" |
| default y |
| help |
| usage: nohup COMMAND... |
| |
| Run a command that survives the end of its terminal. |
| |
| Redirect tty on stdin to /dev/null, tty on stdout to "nohup.out". |
| */ |
| |
| #include "toys.h" |
| |
| void nohup_main(void) |
| { |
| xsignal(SIGHUP, SIG_IGN); |
| if (isatty(1)) { |
| close(1); |
| if (open("nohup.out", O_CREAT|O_APPEND|O_WRONLY, 0600) == -1) { |
| char *temp = getenv("HOME"); |
| |
| xcreate(temp ? temp = xmprintf("%s/nohup.out", temp) : "nohup.out", |
| O_CREAT|O_APPEND|O_WRONLY, 0600); |
| free(temp); |
| } |
| } |
| if (isatty(0)) { |
| close(0); |
| xopen_stdio("/dev/null", O_RDONLY); |
| } |
| |
| xexec(toys.optargs); |
| } |