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//
// "$Id$"
//
// Multi-platform sleep functions for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2014 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
// Cross platform sleep API for FLTK, F. Costantini, May 20th, 2014
#include <FL/Fl.H>
#include <config.h>
#include <stdlib.h>
#ifdef WIN32
#include <windows.h>
#else
#include <unistd.h>
#endif
/** Make the current thread sleep for n seconds, support decimals ... */
void Fl::sleep(double seconds)
{
Fl::usleep((unsigned long long) (seconds*1000000));
}
/** Make the current thread to sleep for n milliseconds */
void Fl::msleep(unsigned long milliseconds)
{
#ifdef WIN32
::Sleep( (DWORD) milliseconds);
#else
::usleep((useconds_t) (milliseconds*1000));
#endif
}
/** Make the current thread to sleep for n microseconds */
void Fl::usleep(unsigned long long microseconds)
// unsigned long long more should be more portable than int64_t before c++ 2011 ...
{
#ifdef WIN32
HANDLE timer;
LARGE_INTEGER reltime;
reltime.QuadPart = (LONGLONG) -(10*microseconds); // Convert to 100 nanosecond relative time interval
timer = CreateWaitableTimer(NULL, TRUE, NULL);
SetWaitableTimer(timer, &reltime, 0, NULL, NULL, 0);
WaitForSingleObject(timer, INFINITE);
CloseHandle(timer);
#else
::usleep((useconds_t) microseconds);
#endif
}
//
// End of "$Id$".
//
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