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

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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/* usleep.c - Wait for a number of microseconds.
 *
 * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>

USE_USLEEP(NEWTOY(usleep, "<1", TOYFLAG_BIN))

config USLEEP
  bool "usleep"
  default y
  help
    usage: usleep MICROSECONDS

    Pause for MICROSECONDS microseconds.
*/

#include "toys.h"

void usleep_main(void)
{
  struct timespec tv;
  long delay = atol(*toys.optargs);

  tv.tv_sec = delay/1000000;
  tv.tv_nsec = (delay%1000000) * 1000;
  toys.exitval = !!nanosleep(&tv, NULL);
}