microsleep.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
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- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
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- * ***** END LICENSE BLOCK ***** */
- #ifndef _MICROSLEEP_H_
- #define _MICROSLEEP_H_
- #if defined _HPUX || defined _AIX
- #include <sys/time.h>
- #endif
- #include <time.h>
- #ifdef _UNIX
- #include <unistd.h>
- #endif
- #ifdef _WINDOWS
- #include <windows.h>
- #endif
- #ifdef _BEOS // for snooze()
- #include <OS.h>
- #endif
- #ifdef _SYMBIAN
- #include <e32std.h>
- #endif
- #if defined (_OSF1) && defined (_NATIVE_COMPILER)
- #include <sys/types.h>
- int usleep(useconds_t useconds);
- #endif
- inline void
- microsleep(unsigned int uSecs)
- {
- #if defined _HPUX || defined _SOLARIS
- struct timespec interval, remainder;
- // sleep for 1 micro-second or 1000 nano-seconds
- interval.tv_sec = 0;
- interval.tv_nsec = uSecs * 1000;
- #endif
- #ifdef _AIX
- struct timestruc_t interval, remainder;
- interval.tv_sec = 0;
- interval.tv_nsec = uSecs * 1000;
- nsleep(&interval, &remainder);
- #elif defined _SOLARIS
- nanosleep(&interval, &remainder);
- #elif defined _WIN32
- Sleep(uSecs / 1000);
- #elif defined _OSF1 || defined _HPUX
- usleep((useconds_t)uSecs);
- #elif defined _MACINTOSH
- AbsoluteTime timeToWakeUp = AddDurationToAbsolute( uSecs * kDurationMicrosecond, UpTime() );
- MPDelayUntil(&timeToWakeUp);
- #elif defined _BEOS
- snooze(uSecs);
- #elif defined _SYMBIAN
- User::After(uSecs);
- #else
- usleep(uSecs);
- #endif
- }
- #endif