Mercurial > hg > toybox
comparison toys/usleep.c @ 648:131571cf708c
Adding usleep
author | Elie De Brauwer <eliedebrauwer@gmail.com> |
---|---|
date | Wed, 15 Aug 2012 12:53:54 +0200 |
parents | |
children |
comparison
equal
deleted
inserted
replaced
647:3258d9233753 | 648:131571cf708c |
---|---|
1 /* vi: set sw=4 ts=4: | |
2 * | |
3 * usleep.c - Wait for a number of microseconds. | |
4 * | |
5 * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com> | |
6 * | |
7 * No standard. | |
8 | |
9 USE_USLEEP(NEWTOY(usleep, "<1", TOYFLAG_BIN)) | |
10 | |
11 config USLEEP | |
12 bool "usleep" | |
13 default y | |
14 help | |
15 usage: usleep MICROSECONDS | |
16 | |
17 Pause for MICROSECONDS microseconds. | |
18 | |
19 */ | |
20 | |
21 #include "toys.h" | |
22 | |
23 void usleep_main(void) | |
24 { | |
25 struct timespec tv; | |
26 long delay = atol(*toys.optargs); | |
27 | |
28 tv.tv_sec = delay/1000000; | |
29 tv.tv_nsec = (delay%1000000) * 1000; | |
30 toys.exitval = !!nanosleep(&tv, NULL); | |
31 | |
32 } |