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/*
flext - C++ layer for Max/MSP and pd (pure data) externals
Copyright (c) 2001,2002 Thomas Grill (xovo@gmx.net)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
*/
/*! \file flutil.cpp
\brief Implementation of the various utility functions.
*/
#include "flext.h"
#include <string.h>
#if FLEXT_OS == FLEXT_OS_WIN
#include <windows.h>
#elif FLEXT_OS == FLEXT_OS_LINUX || FLEXT_OS == FLEXT_OS_IRIX || defined(__GNUC__)
#include <unistd.h>
#elif FLEXT_OS == FLEXT_OS_MACOS
#include <Timer.h>
#include <Threads.h>
#endif
void flext::CopyMem(void *dst,const void *src,int bytes)
{
memcpy(dst,src,bytes);
}
void flext::ZeroMem(void *dst,int bytes)
{
memset(dst,0,bytes);
}
void flext::Sleep(float s)
{
#if FLEXT_OS == FLEXT_OS_WIN
::Sleep((long)(s*1000));
#elif FLEXT_OS == FLEXT_OS_LINUX || FLEXT_OS == FLEXT_OS_IRIX || defined(__GNUC__)
usleep((long)(s*1000000));
#elif FLEXT_OS == FLEXT_OS_MACOS
UnsignedWide tick;
Microseconds(&tick);
double target = tick.hi*((double)(1L<<((sizeof tick.lo)*4))*(double)(1L<<((sizeof tick.lo)*4)))+tick.lo+s*1.e6;
for(;;) {
Microseconds(&tick);
if(target <= tick.hi*((double)(1L<<((sizeof tick.lo)*4))*(double)(1L<<((sizeof tick.lo)*4)))+tick.lo) break;
YieldToAnyThread(); // should we really yield?
}
#else
#error
#endif
}
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