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annotate toys/other/usleep.c @ 656:6df4ccc0acbe

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Regularize command headers, update links to standards documents.
author Rob Landley <rob@landley.net>
date Sat, 25 Aug 2012 18:08:51 -0500
parents 2986aa63a021
children 786841fdb1e0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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Elie De Brauwer <eliedebrauwer@gmail.com>
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1 /* vi: set sw=4 ts=4:
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2 *
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3 * usleep.c - Wait for a number of microseconds.
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4 *
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5 * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
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6
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7 USE_USLEEP(NEWTOY(usleep, "<1", TOYFLAG_BIN))
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8
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9 config USLEEP
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10 bool "usleep"
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11 default y
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12 help
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13 usage: usleep MICROSECONDS
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14
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15 Pause for MICROSECONDS microseconds.
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16
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17 */
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18
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19 #include "toys.h"
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20
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21 void usleep_main(void)
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22 {
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23 struct timespec tv;
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24 long delay = atol(*toys.optargs);
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25
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26 tv.tv_sec = delay/1000000;
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27 tv.tv_nsec = (delay%1000000) * 1000;
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28 toys.exitval = !!nanosleep(&tv, NULL);
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29
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30 }