xref: /aosp_15_r20/external/toybox/toys/other/usleep.c (revision cf5a6c84e2b8763fc1a7db14496fd4742913b199)
1*cf5a6c84SAndroid Build Coastguard Worker /* usleep.c - Wait for a number of microseconds.
2*cf5a6c84SAndroid Build Coastguard Worker  *
3*cf5a6c84SAndroid Build Coastguard Worker  * Copyright 2012 Elie De Brauwer <[email protected]>
4*cf5a6c84SAndroid Build Coastguard Worker 
5*cf5a6c84SAndroid Build Coastguard Worker USE_USLEEP(NEWTOY(usleep, "<1>1", TOYFLAG_BIN))
6*cf5a6c84SAndroid Build Coastguard Worker 
7*cf5a6c84SAndroid Build Coastguard Worker config USLEEP
8*cf5a6c84SAndroid Build Coastguard Worker   bool "usleep"
9*cf5a6c84SAndroid Build Coastguard Worker   default y
10*cf5a6c84SAndroid Build Coastguard Worker   help
11*cf5a6c84SAndroid Build Coastguard Worker     usage: usleep MICROSECONDS
12*cf5a6c84SAndroid Build Coastguard Worker 
13*cf5a6c84SAndroid Build Coastguard Worker     Pause for MICROSECONDS microseconds.
14*cf5a6c84SAndroid Build Coastguard Worker */
15*cf5a6c84SAndroid Build Coastguard Worker 
16*cf5a6c84SAndroid Build Coastguard Worker #include "toys.h"
17*cf5a6c84SAndroid Build Coastguard Worker 
usleep_main(void)18*cf5a6c84SAndroid Build Coastguard Worker void usleep_main(void)
19*cf5a6c84SAndroid Build Coastguard Worker {
20*cf5a6c84SAndroid Build Coastguard Worker   struct timespec tv;
21*cf5a6c84SAndroid Build Coastguard Worker   long delay = atol(*toys.optargs);
22*cf5a6c84SAndroid Build Coastguard Worker 
23*cf5a6c84SAndroid Build Coastguard Worker   tv.tv_sec = delay/1000000;
24*cf5a6c84SAndroid Build Coastguard Worker   tv.tv_nsec = (delay%1000000) * 1000;
25*cf5a6c84SAndroid Build Coastguard Worker   toys.exitval = !!nanosleep(&tv, NULL);
26*cf5a6c84SAndroid Build Coastguard Worker }
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