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