Mercurial > hg > toybox
comparison toys/other/usleep.c @ 653:2986aa63a021
Move commands into "posix", "lsb", and "other" menus/directories.
author | Rob Landley <rob@landley.net> |
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date | Sat, 25 Aug 2012 14:25:22 -0500 |
parents | toys/usleep.c@131571cf708c |
children | 6df4ccc0acbe |
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652:2d7c56913fda | 653:2986aa63a021 |
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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 } |