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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /nsprpub/pr/src/md/unix/darwin.c | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'nsprpub/pr/src/md/unix/darwin.c')
-rw-r--r-- | nsprpub/pr/src/md/unix/darwin.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/nsprpub/pr/src/md/unix/darwin.c b/nsprpub/pr/src/md/unix/darwin.c new file mode 100644 index 0000000000..6135e082ff --- /dev/null +++ b/nsprpub/pr/src/md/unix/darwin.c @@ -0,0 +1,113 @@ +/* -*- 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 */ + |