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: #include "primpl.h"
michael@0: 
michael@0: #include <mach/mach_time.h>
michael@0: 
michael@0: void _MD_EarlyInit(void)
michael@0: {
michael@0: }
michael@0: 
michael@0: /*
michael@0:  * The multiplier (as a fraction) for converting the Mach absolute time
michael@0:  * unit to nanoseconds.
michael@0:  */
michael@0: static mach_timebase_info_data_t machTimebaseInfo;
michael@0: 
michael@0: void _PR_Mach_IntervalInit(void)
michael@0: {
michael@0:     kern_return_t rv;
michael@0: 
michael@0:     rv = mach_timebase_info(&machTimebaseInfo);
michael@0:     PR_ASSERT(rv == KERN_SUCCESS);
michael@0: }
michael@0: 
michael@0: PRIntervalTime _PR_Mach_GetInterval(void)
michael@0: {
michael@0:     uint64_t time;
michael@0: 
michael@0:     /*
michael@0:      * mach_absolute_time returns the time in the Mach absolute time unit.
michael@0:      * Convert it to milliseconds. See Mac Technical Q&A QA1398.
michael@0:      */
michael@0:     time = mach_absolute_time();
michael@0:     time = time * machTimebaseInfo.numer / machTimebaseInfo.denom /
michael@0:            PR_NSEC_PER_MSEC;
michael@0:     return (PRIntervalTime)time;
michael@0: }  /* _PR_Mach_GetInterval */
michael@0: 
michael@0: PRIntervalTime _PR_Mach_TicksPerSecond(void)
michael@0: {
michael@0:     return 1000;
michael@0: }
michael@0: 
michael@0: PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np)
michael@0: {
michael@0: #if !defined(_PR_PTHREADS)
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: #else
michael@0: 	*np = 0;
michael@0: 	return NULL;
michael@0: #endif
michael@0: }
michael@0: 
michael@0: #if !defined(_PR_PTHREADS)
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 Darwin */
michael@0: void
michael@0: _MD_YIELD(void)
michael@0: {
michael@0:     PR_NOT_REACHED("_MD_YIELD should not be called for Darwin.");
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 Darwin.");
michael@0: 	return PR_FAILURE;
michael@0: }
michael@0: #endif /* ! _PR_PTHREADS */
michael@0: 
michael@0: /* darwin.c */
michael@0: