151 lines
2.9 KiB
C
151 lines
2.9 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* SCO ODT 5.0 - originally created by mikep
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*/
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#include "primpl.h"
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#include <setjmp.h>
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void _MD_EarlyInit(void)
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{
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}
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PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np)
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{
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if (isCurrent) {
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(void) setjmp(CONTEXT(t));
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}
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*np = sizeof(CONTEXT(t)) / sizeof(PRWord);
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return (PRWord *) CONTEXT(t);
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}
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#ifdef ALARMS_BREAK_TCP /* I don't think they do */
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PRInt32 _MD_connect(PRInt32 osfd, PRNetAddr *addr, PRInt32 addrlen,
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PRIntervalTime timeout)
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{
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PRInt32 rv;
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_MD_BLOCK_CLOCK_INTERRUPTS();
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rv = _connect(osfd,addr,addrlen);
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_MD_UNBLOCK_CLOCK_INTERRUPTS();
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}
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PRInt32 _MD_accept(PRInt32 osfd, PRNetAddr *addr, PRInt32 addrlen,
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PRIntervalTime timeout)
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{
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PRInt32 rv;
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_MD_BLOCK_CLOCK_INTERRUPTS();
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rv = _accept(osfd,addr,addrlen);
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_MD_UNBLOCK_CLOCK_INTERRUPTS();
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return(rv);
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}
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#endif
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/*
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* These are also implemented in pratom.c using NSPR locks. Any reason
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* this might be better or worse? If you like this better, define
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* _PR_HAVE_ATOMIC_OPS in include/md/unixware.h
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*/
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#ifdef _PR_HAVE_ATOMIC_OPS
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/* Atomic operations */
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#include <stdio.h>
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static FILE *_uw_semf;
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void
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_MD_INIT_ATOMIC(void)
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{
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/* Sigh. Sure wish SYSV semaphores weren't such a pain to use */
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if ((_uw_semf = tmpfile()) == NULL) {
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PR_ASSERT(0);
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}
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return;
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}
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void
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_MD_ATOMIC_INCREMENT(PRInt32 *val)
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{
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flockfile(_uw_semf);
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(*val)++;
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unflockfile(_uw_semf);
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}
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void
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_MD_ATOMIC_ADD(PRInt32 *ptr, PRInt32 val)
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{
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flockfile(_uw_semf);
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(*ptr) += val;
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unflockfile(_uw_semf);
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}
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void
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_MD_ATOMIC_DECREMENT(PRInt32 *val)
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{
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flockfile(_uw_semf);
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(*val)--;
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unflockfile(_uw_semf);
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}
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void
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_MD_ATOMIC_SET(PRInt32 *val, PRInt32 newval)
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{
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flockfile(_uw_semf);
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*val = newval;
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unflockfile(_uw_semf);
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}
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#endif
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void
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_MD_SET_PRIORITY(_MDThread *thread, PRUintn newPri)
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{
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return;
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}
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PRStatus
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_MD_InitializeThread(PRThread *thread)
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{
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return PR_SUCCESS;
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}
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PRStatus
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_MD_WAIT(PRThread *thread, PRIntervalTime ticks)
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{
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PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE));
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_PR_MD_SWITCH_CONTEXT(thread);
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return PR_SUCCESS;
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}
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PRStatus
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_MD_WAKEUP_WAITER(PRThread *thread)
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{
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if (thread) {
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PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE));
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}
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return PR_SUCCESS;
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}
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/* These functions should not be called for SCO */
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void
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_MD_YIELD(void)
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{
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PR_NOT_REACHED("_MD_YIELD should not be called for SCO.");
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}
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PRStatus
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_MD_CREATE_THREAD(
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PRThread *thread,
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void (*start) (void *),
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PRThreadPriority priority,
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PRThreadScope scope,
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PRThreadState state,
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PRUint32 stackSize)
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{
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PR_NOT_REACHED("_MD_CREATE_THREAD should not be called for SCO.");
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}
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