1*cf5a6c84SAndroid Build Coastguard Worker /* nohup.c - run commandline with SIGHUP blocked.
2*cf5a6c84SAndroid Build Coastguard Worker *
3*cf5a6c84SAndroid Build Coastguard Worker * Copyright 2011 Rob Landley <[email protected]>
4*cf5a6c84SAndroid Build Coastguard Worker *
5*cf5a6c84SAndroid Build Coastguard Worker * See http://opengroup.org/onlinepubs/9699919799/utilities/nohup.html
6*cf5a6c84SAndroid Build Coastguard Worker
7*cf5a6c84SAndroid Build Coastguard Worker USE_NOHUP(NEWTOY(nohup, "<1^", TOYFLAG_USR|TOYFLAG_BIN|TOYFLAG_ARGFAIL(125)))
8*cf5a6c84SAndroid Build Coastguard Worker
9*cf5a6c84SAndroid Build Coastguard Worker config NOHUP
10*cf5a6c84SAndroid Build Coastguard Worker bool "nohup"
11*cf5a6c84SAndroid Build Coastguard Worker default y
12*cf5a6c84SAndroid Build Coastguard Worker help
13*cf5a6c84SAndroid Build Coastguard Worker usage: nohup COMMAND...
14*cf5a6c84SAndroid Build Coastguard Worker
15*cf5a6c84SAndroid Build Coastguard Worker Run a command that survives the end of its terminal.
16*cf5a6c84SAndroid Build Coastguard Worker
17*cf5a6c84SAndroid Build Coastguard Worker Redirect tty on stdin to /dev/null, tty on stdout to "nohup.out".
18*cf5a6c84SAndroid Build Coastguard Worker */
19*cf5a6c84SAndroid Build Coastguard Worker
20*cf5a6c84SAndroid Build Coastguard Worker #include "toys.h"
21*cf5a6c84SAndroid Build Coastguard Worker
nohup_main(void)22*cf5a6c84SAndroid Build Coastguard Worker void nohup_main(void)
23*cf5a6c84SAndroid Build Coastguard Worker {
24*cf5a6c84SAndroid Build Coastguard Worker xsignal(SIGHUP, SIG_IGN);
25*cf5a6c84SAndroid Build Coastguard Worker if (isatty(1)) {
26*cf5a6c84SAndroid Build Coastguard Worker close(1);
27*cf5a6c84SAndroid Build Coastguard Worker if (open("nohup.out", O_CREAT|O_APPEND|O_WRONLY, 0600) == -1) {
28*cf5a6c84SAndroid Build Coastguard Worker char *temp = getenv("HOME");
29*cf5a6c84SAndroid Build Coastguard Worker
30*cf5a6c84SAndroid Build Coastguard Worker xcreate(temp ? temp = xmprintf("%s/nohup.out", temp) : "nohup.out",
31*cf5a6c84SAndroid Build Coastguard Worker O_CREAT|O_APPEND|O_WRONLY, 0600);
32*cf5a6c84SAndroid Build Coastguard Worker free(temp);
33*cf5a6c84SAndroid Build Coastguard Worker }
34*cf5a6c84SAndroid Build Coastguard Worker }
35*cf5a6c84SAndroid Build Coastguard Worker if (isatty(0)) {
36*cf5a6c84SAndroid Build Coastguard Worker close(0);
37*cf5a6c84SAndroid Build Coastguard Worker xopen_stdio("/dev/null", O_RDONLY);
38*cf5a6c84SAndroid Build Coastguard Worker }
39*cf5a6c84SAndroid Build Coastguard Worker
40*cf5a6c84SAndroid Build Coastguard Worker xexec(toys.optargs);
41*cf5a6c84SAndroid Build Coastguard Worker }
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