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annotate toys/other/usleep.c @ 1429:8c78a7e5486d draft

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Disable xopen's default O_CLOEXEC for oneit.
author Rob Landley <rob@landley.net>
date Sat, 09 Aug 2014 23:49:48 -0500
parents 786841fdb1e0
children
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1 /* usleep.c - Wait for a number of microseconds.
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2 *
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3 * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
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4
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5 USE_USLEEP(NEWTOY(usleep, "<1", TOYFLAG_BIN))
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6
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7 config USLEEP
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8 bool "usleep"
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9 default y
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10 help
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11 usage: usleep MICROSECONDS
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12
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13 Pause for MICROSECONDS microseconds.
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14 */
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15
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16 #include "toys.h"
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17
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18 void usleep_main(void)
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19 {
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20 struct timespec tv;
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21 long delay = atol(*toys.optargs);
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22
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23 tv.tv_sec = delay/1000000;
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24 tv.tv_nsec = (delay%1000000) * 1000;
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25 toys.exitval = !!nanosleep(&tv, NULL);
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26 }