1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/nsprpub/pr/src/md/unix/darwin.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,113 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "primpl.h"
1.10 +
1.11 +#include <mach/mach_time.h>
1.12 +
1.13 +void _MD_EarlyInit(void)
1.14 +{
1.15 +}
1.16 +
1.17 +/*
1.18 + * The multiplier (as a fraction) for converting the Mach absolute time
1.19 + * unit to nanoseconds.
1.20 + */
1.21 +static mach_timebase_info_data_t machTimebaseInfo;
1.22 +
1.23 +void _PR_Mach_IntervalInit(void)
1.24 +{
1.25 + kern_return_t rv;
1.26 +
1.27 + rv = mach_timebase_info(&machTimebaseInfo);
1.28 + PR_ASSERT(rv == KERN_SUCCESS);
1.29 +}
1.30 +
1.31 +PRIntervalTime _PR_Mach_GetInterval(void)
1.32 +{
1.33 + uint64_t time;
1.34 +
1.35 + /*
1.36 + * mach_absolute_time returns the time in the Mach absolute time unit.
1.37 + * Convert it to milliseconds. See Mac Technical Q&A QA1398.
1.38 + */
1.39 + time = mach_absolute_time();
1.40 + time = time * machTimebaseInfo.numer / machTimebaseInfo.denom /
1.41 + PR_NSEC_PER_MSEC;
1.42 + return (PRIntervalTime)time;
1.43 +} /* _PR_Mach_GetInterval */
1.44 +
1.45 +PRIntervalTime _PR_Mach_TicksPerSecond(void)
1.46 +{
1.47 + return 1000;
1.48 +}
1.49 +
1.50 +PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np)
1.51 +{
1.52 +#if !defined(_PR_PTHREADS)
1.53 + if (isCurrent) {
1.54 + (void) setjmp(CONTEXT(t));
1.55 + }
1.56 + *np = sizeof(CONTEXT(t)) / sizeof(PRWord);
1.57 + return (PRWord *) CONTEXT(t);
1.58 +#else
1.59 + *np = 0;
1.60 + return NULL;
1.61 +#endif
1.62 +}
1.63 +
1.64 +#if !defined(_PR_PTHREADS)
1.65 +void
1.66 +_MD_SET_PRIORITY(_MDThread *thread, PRUintn newPri)
1.67 +{
1.68 + return;
1.69 +}
1.70 +
1.71 +PRStatus
1.72 +_MD_InitializeThread(PRThread *thread)
1.73 +{
1.74 + return PR_SUCCESS;
1.75 +}
1.76 +
1.77 +PRStatus
1.78 +_MD_WAIT(PRThread *thread, PRIntervalTime ticks)
1.79 +{
1.80 + PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE));
1.81 + _PR_MD_SWITCH_CONTEXT(thread);
1.82 + return PR_SUCCESS;
1.83 +}
1.84 +
1.85 +PRStatus
1.86 +_MD_WAKEUP_WAITER(PRThread *thread)
1.87 +{
1.88 + if (thread) {
1.89 + PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE));
1.90 + }
1.91 + return PR_SUCCESS;
1.92 +}
1.93 +
1.94 +/* These functions should not be called for Darwin */
1.95 +void
1.96 +_MD_YIELD(void)
1.97 +{
1.98 + PR_NOT_REACHED("_MD_YIELD should not be called for Darwin.");
1.99 +}
1.100 +
1.101 +PRStatus
1.102 +_MD_CREATE_THREAD(
1.103 + PRThread *thread,
1.104 + void (*start) (void *),
1.105 + PRThreadPriority priority,
1.106 + PRThreadScope scope,
1.107 + PRThreadState state,
1.108 + PRUint32 stackSize)
1.109 +{
1.110 + PR_NOT_REACHED("_MD_CREATE_THREAD should not be called for Darwin.");
1.111 + return PR_FAILURE;
1.112 +}
1.113 +#endif /* ! _PR_PTHREADS */
1.114 +
1.115 +/* darwin.c */
1.116 +
