torsten
77c67c12ca
Entire-Metadata: .entire/metadata/fb87247f-2a75-407e-b336-cbc8c20ba5a6 Entire-Session: fb87247f-2a75-407e-b336-cbc8c20ba5a6 Entire-Strategy: manual-commit
91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
/*
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* (c) Copyright, Real-Time Innovations, 2010-2024.
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* All rights reserved.
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*
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* No duplications, whole or partial, manual or electronic, may be made
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* without express written permission. Any such copies, or
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* revisions thereof, must display this notice unaltered.
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* This code contains trade secrets of Real-Time Innovations, Inc.
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*/
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#ifndef osapi_cpu_h
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#define osapi_cpu_h
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#include "osapi/osapi_dll.h"
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#include "osapi/osapi_type.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @internal \file
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* \brief Processor related utility
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*/
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/** @internal \defgroup RTIOsapiCpuBitmapClass RTIOsapiCpuBitmap
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* \ingroup RTIOsapiModule
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* \brief Bitmask of available processors.
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*/
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#if defined(RTI_QNX)
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#define RTI_OSAPI_CPU_BITMAP_MAX_BITS (32)
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#else
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#define RTI_OSAPI_CPU_BITMAP_MAX_BITS (1024)
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#endif
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#define RTI_OSAPI_CPU_BITMAP_LENGTH (RTI_OSAPI_CPU_BITMAP_MAX_BITS / 32)
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#define RTI_OSAPI_CPU_NO_ROTATION (0)
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#define RTI_OSAPI_CPU_RR_ROTATION (1)
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struct RTIOsapiCpuBitmap {
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RTI_UINT32 mask[RTI_OSAPI_CPU_BITMAP_LENGTH];
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int rotation;
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int _numCpus;
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int _numUses;
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};
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#if defined(RTI_QNX)
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#define RTI_OSAPI_CPU_BITMAP_DEFAULT \
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{ \
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{ 0 }, RTI_OSAPI_CPU_NO_ROTATION, 0, 0 \
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}
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#else
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#define RTI_OSAPI_CPU_BITMAP_DEFAULT \
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{ \
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{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, \
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RTI_OSAPI_CPU_NO_ROTATION, 0, 0 \
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}
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#endif
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#define RTIOsapiCpuBitmap_test(me, i) \
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((me)->mask[i >> 5] & (RTI_UINT32) (1U << (i & 0x1F)))
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#define RTIOsapiCpuBitmap_set(me, i) \
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do { \
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if (((me)->mask[i >> 5] & (RTI_UINT32) (1U << (i & 0x1F))) == 0) \
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(me)->_numCpus++; \
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(me)->mask[i >> 5] |= (RTI_UINT32) (1U << (i & 0x1F)); \
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} while (0)
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#define RTIOsapiCpuBitmap_zero(me) RTIOsapiMemory_zero((me), sizeof(*(me)))
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#define RTIOsapiCpuBitmap_incrementUseCounter(me) ((me)->_numUses++)
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#define RTIOsapiCpuBitmap_copy(to, src) \
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RTIOsapiMemory_copy((to), (src), sizeof(*(src)))
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extern RTIOsapiDllExport RTIBool RTIOsapiCpuBitmap_equals(
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const struct RTIOsapiCpuBitmap *me,
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const struct RTIOsapiCpuBitmap *other);
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extern RTIOsapiDllExport void RTIOsapiCpuBitmap_toStringI(
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struct RTIOsapiCpuBitmap *me,
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char *dst,
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int max);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* osapi_cpu_h */
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