nsprpub/pr/src/md/unix/darwin.c

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "primpl.h"
michael@0 7
michael@0 8 #include <mach/mach_time.h>
michael@0 9
michael@0 10 void _MD_EarlyInit(void)
michael@0 11 {
michael@0 12 }
michael@0 13
michael@0 14 /*
michael@0 15 * The multiplier (as a fraction) for converting the Mach absolute time
michael@0 16 * unit to nanoseconds.
michael@0 17 */
michael@0 18 static mach_timebase_info_data_t machTimebaseInfo;
michael@0 19
michael@0 20 void _PR_Mach_IntervalInit(void)
michael@0 21 {
michael@0 22 kern_return_t rv;
michael@0 23
michael@0 24 rv = mach_timebase_info(&machTimebaseInfo);
michael@0 25 PR_ASSERT(rv == KERN_SUCCESS);
michael@0 26 }
michael@0 27
michael@0 28 PRIntervalTime _PR_Mach_GetInterval(void)
michael@0 29 {
michael@0 30 uint64_t time;
michael@0 31
michael@0 32 /*
michael@0 33 * mach_absolute_time returns the time in the Mach absolute time unit.
michael@0 34 * Convert it to milliseconds. See Mac Technical Q&A QA1398.
michael@0 35 */
michael@0 36 time = mach_absolute_time();
michael@0 37 time = time * machTimebaseInfo.numer / machTimebaseInfo.denom /
michael@0 38 PR_NSEC_PER_MSEC;
michael@0 39 return (PRIntervalTime)time;
michael@0 40 } /* _PR_Mach_GetInterval */
michael@0 41
michael@0 42 PRIntervalTime _PR_Mach_TicksPerSecond(void)
michael@0 43 {
michael@0 44 return 1000;
michael@0 45 }
michael@0 46
michael@0 47 PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np)
michael@0 48 {
michael@0 49 #if !defined(_PR_PTHREADS)
michael@0 50 if (isCurrent) {
michael@0 51 (void) setjmp(CONTEXT(t));
michael@0 52 }
michael@0 53 *np = sizeof(CONTEXT(t)) / sizeof(PRWord);
michael@0 54 return (PRWord *) CONTEXT(t);
michael@0 55 #else
michael@0 56 *np = 0;
michael@0 57 return NULL;
michael@0 58 #endif
michael@0 59 }
michael@0 60
michael@0 61 #if !defined(_PR_PTHREADS)
michael@0 62 void
michael@0 63 _MD_SET_PRIORITY(_MDThread *thread, PRUintn newPri)
michael@0 64 {
michael@0 65 return;
michael@0 66 }
michael@0 67
michael@0 68 PRStatus
michael@0 69 _MD_InitializeThread(PRThread *thread)
michael@0 70 {
michael@0 71 return PR_SUCCESS;
michael@0 72 }
michael@0 73
michael@0 74 PRStatus
michael@0 75 _MD_WAIT(PRThread *thread, PRIntervalTime ticks)
michael@0 76 {
michael@0 77 PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE));
michael@0 78 _PR_MD_SWITCH_CONTEXT(thread);
michael@0 79 return PR_SUCCESS;
michael@0 80 }
michael@0 81
michael@0 82 PRStatus
michael@0 83 _MD_WAKEUP_WAITER(PRThread *thread)
michael@0 84 {
michael@0 85 if (thread) {
michael@0 86 PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE));
michael@0 87 }
michael@0 88 return PR_SUCCESS;
michael@0 89 }
michael@0 90
michael@0 91 /* These functions should not be called for Darwin */
michael@0 92 void
michael@0 93 _MD_YIELD(void)
michael@0 94 {
michael@0 95 PR_NOT_REACHED("_MD_YIELD should not be called for Darwin.");
michael@0 96 }
michael@0 97
michael@0 98 PRStatus
michael@0 99 _MD_CREATE_THREAD(
michael@0 100 PRThread *thread,
michael@0 101 void (*start) (void *),
michael@0 102 PRThreadPriority priority,
michael@0 103 PRThreadScope scope,
michael@0 104 PRThreadState state,
michael@0 105 PRUint32 stackSize)
michael@0 106 {
michael@0 107 PR_NOT_REACHED("_MD_CREATE_THREAD should not be called for Darwin.");
michael@0 108 return PR_FAILURE;
michael@0 109 }
michael@0 110 #endif /* ! _PR_PTHREADS */
michael@0 111
michael@0 112 /* darwin.c */
michael@0 113

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