| /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| /* ***** BEGIN LICENSE BLOCK ***** |
| * Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
| * |
| * The contents of this file are subject to the Mozilla Public License Version |
| * 1.1 (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * http://www.mozilla.org/MPL/ |
| * |
| * Software distributed under the License is distributed on an "AS IS" basis, |
| * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
| * for the specific language governing rights and limitations under the |
| * License. |
| * |
| * The Original Code is the Netscape Portable Runtime (NSPR). |
| * |
| * The Initial Developer of the Original Code is |
| * Netscape Communications Corporation. |
| * Portions created by the Initial Developer are Copyright (C) 1998-2000 |
| * the Initial Developer. All Rights Reserved. |
| * |
| * Contributor(s): |
| * |
| * Alternatively, the contents of this file may be used under the terms of |
| * either the GNU General Public License Version 2 or later (the "GPL"), or |
| * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
| * in which case the provisions of the GPL or the LGPL are applicable instead |
| * of those above. If you wish to allow use of your version of this file only |
| * under the terms of either the GPL or the LGPL, and not to allow others to |
| * use your version of this file under the terms of the MPL, indicate your |
| * decision by deleting the provisions above and replace them with the notice |
| * and other provisions required by the GPL or the LGPL. If you do not delete |
| * the provisions above, a recipient may use your version of this file under |
| * the terms of any one of the MPL, the GPL or the LGPL. |
| * |
| * ***** END LICENSE BLOCK ***** */ |
| |
| #include "primpl.h" |
| |
| #include <signal.h> |
| |
| void _MD_EarlyInit(void) |
| { |
| /* |
| * Ignore FPE because coercion of a NaN to an int causes SIGFPE |
| * to be raised. |
| */ |
| struct sigaction act; |
| |
| act.sa_handler = SIG_IGN; |
| sigemptyset(&act.sa_mask); |
| act.sa_flags = SA_RESTART; |
| sigaction(SIGFPE, &act, 0); |
| } |
| |
| PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np) |
| { |
| #ifndef _PR_PTHREADS |
| if (isCurrent) { |
| (void) sigsetjmp(CONTEXT(t), 1); |
| } |
| *np = sizeof(CONTEXT(t)) / sizeof(PRWord); |
| return (PRWord *) CONTEXT(t); |
| #else |
| *np = 0; |
| return NULL; |
| #endif |
| } |
| |
| #ifndef _PR_PTHREADS |
| void |
| _MD_SET_PRIORITY(_MDThread *thread, PRUintn newPri) |
| { |
| return; |
| } |
| |
| PRStatus |
| _MD_InitializeThread(PRThread *thread) |
| { |
| return PR_SUCCESS; |
| } |
| |
| PRStatus |
| _MD_WAIT(PRThread *thread, PRIntervalTime ticks) |
| { |
| PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE)); |
| _PR_MD_SWITCH_CONTEXT(thread); |
| return PR_SUCCESS; |
| } |
| |
| PRStatus |
| _MD_WAKEUP_WAITER(PRThread *thread) |
| { |
| if (thread) { |
| PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE)); |
| } |
| return PR_SUCCESS; |
| } |
| |
| /* These functions should not be called for FreeBSD */ |
| void |
| _MD_YIELD(void) |
| { |
| PR_NOT_REACHED("_MD_YIELD should not be called for FreeBSD."); |
| } |
| |
| PRStatus |
| _MD_CREATE_THREAD( |
| PRThread *thread, |
| void (*start) (void *), |
| PRThreadPriority priority, |
| PRThreadScope scope, |
| PRThreadState state, |
| PRUint32 stackSize) |
| { |
| PR_NOT_REACHED("_MD_CREATE_THREAD should not be called for FreeBSD."); |
| return PR_FAILURE; |
| } |
| #endif /* ! _PR_PTHREADS */ |