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include
grpc
support
cpu.h
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/*
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*
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* Copyright 2015, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef GRPC_SUPPORT_CPU_H
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#define GRPC_SUPPORT_CPU_H
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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/* Interface providing CPU information for currently running system */
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/* Return the number of CPU cores on the current system. Will return 0 if
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the information is not available. */
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unsigned
gpr_cpu_num_cores
(
void
);
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/* Return the CPU on which the current thread is executing; N.B. This should
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be considered advisory only - it is possible that the thread is switched
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to a different CPU at any time. Returns a value in range
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[0, gpr_cpu_num_cores() - 1] */
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unsigned
gpr_cpu_current_cpu
(
void
);
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#ifdef __cplusplus
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}
// extern "C"
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#endif
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#endif
/* GRPC_SUPPORT_CPU_H */
gpr_cpu_num_cores
unsigned gpr_cpu_num_cores(void)
gpr_cpu_current_cpu
unsigned gpr_cpu_current_cpu(void)
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