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lightning-sunbird  0.9+nobinonly
sunos4.c
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is the Netscape Portable Runtime (NSPR).
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998-2000
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either the GNU General Public License Version 2 or later (the "GPL"), or
00026  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
00028  * of those above. If you wish to allow use of your version of this file only
00029  * under the terms of either the GPL or the LGPL, and not to allow others to
00030  * use your version of this file under the terms of the MPL, indicate your
00031  * decision by deleting the provisions above and replace them with the notice
00032  * and other provisions required by the GPL or the LGPL. If you do not delete
00033  * the provisions above, a recipient may use your version of this file under
00034  * the terms of any one of the MPL, the GPL or the LGPL.
00035  *
00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #include <setjmp.h>
00039 #include "primpl.h"
00040 
00041 void _MD_EarlyInit(void)
00042 {
00043 }
00044 
00045 PRStatus _MD_CREATE_THREAD(PRThread *thread, 
00046                                    void (*start)(void *), 
00047                                    PRThreadPriority priority,
00048                                    PRThreadScope scope, 
00049                                    PRThreadState state, 
00050                                    PRUint32 stackSize) 
00051 {
00052     PR_NOT_REACHED("_MD_CREATE_THREAD should not be called for SunOS 4.1.3.");
00053     return PR_FAILURE;
00054 }
00055 
00056 void _MD_SET_PRIORITY(_MDThread *md_thread, PRUintn newPri)
00057 {
00058     PR_NOT_REACHED("_MD_SET_PRIORITY should not be called for user-level threads.");
00059 }
00060 
00061 PRStatus
00062 _MD_WAIT(PRThread *thread, PRIntervalTime ticks)
00063 {
00064     PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE));
00065     _PR_MD_SWITCH_CONTEXT(thread);
00066     return PR_SUCCESS;
00067 }
00068 
00069 PRStatus
00070 _MD_WAKEUP_WAITER(PRThread *thread)
00071 {
00072     if (thread) {
00073        PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE));
00074     }
00075     return PR_SUCCESS;
00076 }
00077 
00078 PRStatus _MD_InitializeThread(PRThread *thread)
00079 {
00080        return PR_SUCCESS;
00081 }
00082 
00083 void
00084 _MD_YIELD(void)
00085 {
00086     PR_NOT_REACHED("_MD_YIELD should not be called for SunOS 4.1.3.");
00087 }
00088 
00089 PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np)
00090 {
00091     if (isCurrent) {
00092        (void) setjmp(CONTEXT(t));
00093     }
00094     *np = sizeof(CONTEXT(t)) / sizeof(PRWord);
00095     return (PRWord *) CONTEXT(t);
00096 }