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