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