macos_common.h
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/*
Copyright (c) 2005-2020 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#if !defined(__TBB_machine_H) || defined(__TBB_machine_macos_common_H)
#error Do not #include this internal file directly; use public TBB headers instead.
#endif
#define __TBB_machine_macos_common_H
#include <sched.h>
#define __TBB_Yield() sched_yield()
// __TBB_HardwareConcurrency
#include <sys/types.h>
#include <sys/sysctl.h>
static inline int __TBB_macos_available_cpu() {
int name[2] = {CTL_HW, HW_AVAILCPU};
int ncpu;
size_t size = sizeof(ncpu);
sysctl( name, 2, &ncpu, &size, NULL, 0 );
return ncpu;
}
#define __TBB_HardwareConcurrency() __TBB_macos_available_cpu()
#ifndef __TBB_full_memory_fence
// TBB has not recognized the architecture (none of the architecture abstraction
// headers was included).
#define __TBB_UnknownArchitecture 1
#endif
#if __TBB_UnknownArchitecture
// Implementation of atomic operations based on OS provided primitives
#include <libkern/OSAtomic.h>
static inline int64_t __TBB_machine_cmpswp8_OsX(volatile void *ptr, int64_t value, int64_t comparand)
{
__TBB_ASSERT( tbb::internal::is_aligned(ptr,8), "address not properly aligned for macOS* atomics");
int64_t* address = (int64_t*)ptr;
while( !OSAtomicCompareAndSwap64Barrier(comparand, value, address) ){
#if __TBB_WORDSIZE==8
int64_t snapshot = *address;
#else
int64_t snapshot = OSAtomicAdd64( 0, address );
#endif
if( snapshot!=comparand ) return snapshot;
}
return comparand;
}
#define __TBB_machine_cmpswp8 __TBB_machine_cmpswp8_OsX
#endif /* __TBB_UnknownArchitecture */
#if __TBB_UnknownArchitecture
#ifndef __TBB_WORDSIZE
#define __TBB_WORDSIZE __SIZEOF_POINTER__
#endif
#ifdef __TBB_ENDIANNESS
// Already determined based on hardware architecture.
#elif __BIG_ENDIAN__
#define __TBB_ENDIANNESS __TBB_ENDIAN_BIG
#elif __LITTLE_ENDIAN__
#define __TBB_ENDIANNESS __TBB_ENDIAN_LITTLE
#else
#define __TBB_ENDIANNESS __TBB_ENDIAN_UNSUPPORTED
#endif
#define __TBB_control_consistency_helper() OSMemoryBarrier()
#define __TBB_acquire_consistency_helper() OSMemoryBarrier()
#define __TBB_release_consistency_helper() OSMemoryBarrier()
#define __TBB_full_memory_fence() OSMemoryBarrier()
static inline int32_t __TBB_machine_cmpswp4(volatile void *ptr, int32_t value, int32_t comparand)
{
__TBB_ASSERT( tbb::internal::is_aligned(ptr,4), "address not properly aligned for macOS atomics");
int32_t* address = (int32_t*)ptr;
while( !OSAtomicCompareAndSwap32Barrier(comparand, value, address) ){
int32_t snapshot = *address;
if( snapshot!=comparand ) return snapshot;
}
return comparand;
}
static inline int32_t __TBB_machine_fetchadd4(volatile void *ptr, int32_t addend)
{
__TBB_ASSERT( tbb::internal::is_aligned(ptr,4), "address not properly aligned for macOS atomics");
return OSAtomicAdd32Barrier(addend, (int32_t*)ptr) - addend;
}
static inline int64_t __TBB_machine_fetchadd8(volatile void *ptr, int64_t addend)
{
__TBB_ASSERT( tbb::internal::is_aligned(ptr,8), "address not properly aligned for macOS atomics");
return OSAtomicAdd64Barrier(addend, (int64_t*)ptr) - addend;
}
#define __TBB_USE_GENERIC_PART_WORD_CAS 1
#define __TBB_USE_GENERIC_PART_WORD_FETCH_ADD 1
#define __TBB_USE_GENERIC_FETCH_STORE 1
#define __TBB_USE_GENERIC_HALF_FENCED_LOAD_STORE 1
#define __TBB_USE_GENERIC_RELAXED_LOAD_STORE 1
#if __TBB_WORDSIZE == 4
#define __TBB_USE_GENERIC_DWORD_LOAD_STORE 1
#endif
#define __TBB_USE_GENERIC_SEQUENTIAL_CONSISTENCY_LOAD_STORE 1
#endif /* __TBB_UnknownArchitecture */
__TBB_machine_cmpswp4
static int32_t __TBB_machine_cmpswp4(volatile void *ptr, int32_t value, int32_t comparand)
Definition: macos_common.h:96
__TBB_machine_fetchadd4
static int32_t __TBB_machine_fetchadd4(volatile void *ptr, int32_t addend)
Definition: macos_common.h:107
__TBB_machine_cmpswp8_OsX
static int64_t __TBB_machine_cmpswp8_OsX(volatile void *ptr, int64_t value, int64_t comparand)
Definition: macos_common.h:51
__TBB_machine_fetchadd8
static int64_t __TBB_machine_fetchadd8(volatile void *ptr, int64_t addend)
Definition: macos_common.h:113
__TBB_macos_available_cpu
static int __TBB_macos_available_cpu()
Definition: macos_common.h:31
__TBB_ASSERT
#define __TBB_ASSERT(predicate, comment)
No-op version of __TBB_ASSERT.
Definition: tbb_stddef.h:165
name
void const char const char int ITT_FORMAT __itt_group_sync x void const char * name
Definition: ittnotify_static.h:93
value
void const char const char int ITT_FORMAT __itt_group_sync x void const char ITT_FORMAT __itt_group_sync s void ITT_FORMAT __itt_group_sync p void ITT_FORMAT p void ITT_FORMAT p no args __itt_suppress_mode_t unsigned int void size_t ITT_FORMAT d void ITT_FORMAT p void ITT_FORMAT p __itt_model_site __itt_model_site_instance ITT_FORMAT p __itt_model_task __itt_model_task_instance ITT_FORMAT p void ITT_FORMAT p void ITT_FORMAT p void size_t ITT_FORMAT d void ITT_FORMAT p const wchar_t ITT_FORMAT s const char ITT_FORMAT s const char ITT_FORMAT s const char ITT_FORMAT s no args void ITT_FORMAT p size_t ITT_FORMAT d no args const wchar_t const wchar_t ITT_FORMAT s __itt_heap_function void size_t int ITT_FORMAT d __itt_heap_function void ITT_FORMAT p __itt_heap_function void void size_t int ITT_FORMAT d no args no args unsigned int ITT_FORMAT u const __itt_domain __itt_id ITT_FORMAT lu const __itt_domain __itt_id __itt_id __itt_string_handle ITT_FORMAT p const __itt_domain __itt_id ITT_FORMAT p const __itt_domain __itt_id __itt_timestamp __itt_timestamp ITT_FORMAT lu const __itt_domain __itt_id __itt_id __itt_string_handle ITT_FORMAT p const __itt_domain ITT_FORMAT p const __itt_domain __itt_string_handle unsigned long long value
Definition: ittnotify_static.h:192
size
void const char const char int ITT_FORMAT __itt_group_sync x void const char ITT_FORMAT __itt_group_sync s void ITT_FORMAT __itt_group_sync p void ITT_FORMAT p void ITT_FORMAT p no args __itt_suppress_mode_t unsigned int void size_t size
Definition: ittnotify_static.h:109
address
void const char const char int ITT_FORMAT __itt_group_sync x void const char ITT_FORMAT __itt_group_sync s void ITT_FORMAT __itt_group_sync p void ITT_FORMAT p void ITT_FORMAT p no args __itt_suppress_mode_t unsigned int void * address
Definition: ittnotify_static.h:109
tbb::internal::is_aligned
bool is_aligned(T *pointer, uintptr_t alignment)
A function to check if passed in pointer is aligned on a specific border.
Definition: tbb_stddef.h:370

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