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ead29c1850
- Dropped unused stub code which is now redundant because of the constructor/destructor mechanism. git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14891 87f5fb63-7c3d-0410-a384-fd976d0f7a62
154 lines
4.0 KiB
C
154 lines
4.0 KiB
C
/*
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* $Id: unistd_timer.c,v 1.7 2005-03-18 12:38:25 obarthel Exp $
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*
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* :ts=4
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*
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* Portable ISO 'C' (1994) runtime library for the Amiga computer
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* Copyright (c) 2002-2005 by Olaf Barthel <olsen@sourcery.han.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Neither the name of Olaf Barthel nor the names of contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _UNISTD_HEADERS_H
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#include "unistd_headers.h"
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#endif /* _UNISTD_HEADERS_H */
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#ifndef _STDLIB_HEADERS_H
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#include "stdlib_headers.h"
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#endif /* _STDLIB_HEADERS_H */
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/****************************************************************************/
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#ifndef _STDLIB_CONSTRUCTOR_H
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#include "stdlib_constructor.h"
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#endif /* _STDLIB_CONSTRUCTOR_H */
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/****************************************************************************/
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/* The following is not part of the ISO 'C' (1994) standard. */
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/****************************************************************************/
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/* Local timer I/O. */
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struct MsgPort * __timer_port;
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struct timerequest * __timer_request;
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BOOL __timer_busy;
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struct Library * __TimerBase;
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/****************************************************************************/
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#if defined(__amigaos4__)
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struct TimerIFace * __ITimer;
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#endif /* __amigaos4__ */
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/****************************************************************************/
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CLIB_CONSTRUCTOR(timer_init)
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{
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BOOL success = FALSE;
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ENTER();
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__timer_port = CreateMsgPort();
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if(__timer_port == NULL)
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{
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__show_error("The timer message port could not be created.");
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goto out;
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}
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__timer_request = (struct timerequest *)CreateIORequest(__timer_port,sizeof(*__timer_request));
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if(__timer_request == NULL)
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{
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__show_error("The timer I/O request could not be created.");
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goto out;
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}
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if(OpenDevice(TIMERNAME,UNIT_VBLANK,(struct IORequest *)__timer_request,0) != OK)
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{
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__show_error("The timer could not be opened.");
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goto out;
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}
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__TimerBase = (struct Library *)__timer_request->tr_node.io_Device;
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#if defined(__amigaos4__)
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{
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__ITimer = (struct TimerIFace *)GetInterface(__TimerBase, "main", 1, 0);
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if(__ITimer == NULL)
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{
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__show_error("The timer interface could not be obtained.");
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goto out;
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}
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}
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#endif /* __amigaos4__ */
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success = TRUE;
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out:
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SHOWVALUE(success);
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LEAVE();
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if(success)
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CONSTRUCTOR_SUCCEED();
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else
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CONSTRUCTOR_FAIL();
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}
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/****************************************************************************/
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CLIB_DESTRUCTOR(timer_exit)
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{
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ENTER();
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#if defined(__amigaos4__)
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{
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if(__ITimer != NULL)
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DropInterface((struct Interface *)__ITimer);
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__ITimer = NULL;
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}
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#endif /* __amigaos4__ */
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__TimerBase = NULL;
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if(__timer_request != NULL)
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{
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if(__timer_request->tr_node.io_Device != NULL)
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CloseDevice((struct IORequest *)__timer_request);
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DeleteIORequest((struct IORequest *)__timer_request);
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__timer_request = NULL;
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}
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if(__timer_port != NULL)
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{
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DeleteMsgPort(__timer_port);
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__timer_port = NULL;
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}
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LEAVE();
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}
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