xref: /aosp_15_r20/external/toybox/toys/posix/sleep.c (revision cf5a6c84e2b8763fc1a7db14496fd4742913b199)
1*cf5a6c84SAndroid Build Coastguard Worker /* sleep.c - Wait for a number of seconds.
2*cf5a6c84SAndroid Build Coastguard Worker  *
3*cf5a6c84SAndroid Build Coastguard Worker  * Copyright 2007 Rob Landley <[email protected]>
4*cf5a6c84SAndroid Build Coastguard Worker  * Copyright 2012 Georgi Chorbadzhiyski <[email protected]>
5*cf5a6c84SAndroid Build Coastguard Worker  *
6*cf5a6c84SAndroid Build Coastguard Worker  * See http://opengroup.org/onlinepubs/9699919799/utilities/sleep.html
7*cf5a6c84SAndroid Build Coastguard Worker 
8*cf5a6c84SAndroid Build Coastguard Worker USE_SLEEP(NEWTOY(sleep, "<1", TOYFLAG_BIN))
9*cf5a6c84SAndroid Build Coastguard Worker 
10*cf5a6c84SAndroid Build Coastguard Worker config SLEEP
11*cf5a6c84SAndroid Build Coastguard Worker   bool "sleep"
12*cf5a6c84SAndroid Build Coastguard Worker   default y
13*cf5a6c84SAndroid Build Coastguard Worker   help
14*cf5a6c84SAndroid Build Coastguard Worker     usage: sleep DURATION...
15*cf5a6c84SAndroid Build Coastguard Worker 
16*cf5a6c84SAndroid Build Coastguard Worker     Wait before exiting.
17*cf5a6c84SAndroid Build Coastguard Worker 
18*cf5a6c84SAndroid Build Coastguard Worker     DURATION can be a decimal fraction. An optional suffix can be "m"
19*cf5a6c84SAndroid Build Coastguard Worker     (minutes), "h" (hours), "d" (days), or "s" (seconds, the default).
20*cf5a6c84SAndroid Build Coastguard Worker */
21*cf5a6c84SAndroid Build Coastguard Worker 
22*cf5a6c84SAndroid Build Coastguard Worker #include "toys.h"
23*cf5a6c84SAndroid Build Coastguard Worker 
sleep_main(void)24*cf5a6c84SAndroid Build Coastguard Worker void sleep_main(void)
25*cf5a6c84SAndroid Build Coastguard Worker {
26*cf5a6c84SAndroid Build Coastguard Worker   struct timespec ts;
27*cf5a6c84SAndroid Build Coastguard Worker   char **args;
28*cf5a6c84SAndroid Build Coastguard Worker 
29*cf5a6c84SAndroid Build Coastguard Worker   for (args = toys.optargs; !toys.exitval && *args; args++) {
30*cf5a6c84SAndroid Build Coastguard Worker     xparsetimespec(*args, &ts);
31*cf5a6c84SAndroid Build Coastguard Worker     toys.exitval = !!nanosleep(&ts, NULL);
32*cf5a6c84SAndroid Build Coastguard Worker   }
33*cf5a6c84SAndroid Build Coastguard Worker }
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