c379999665
Fix additional a few additional deviations reported elsewhere by checkstyle Change-Id: I026a8ae1c5b1856bbe3c4a555e1b690e7501b045 Signed-off-by: Dave Barach <dave@barachs.net>
82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
/*
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* Copyright (c) 2015 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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Copyright (c) 2001-2005 Eliot Dresselhaus
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef included_clib_smp_h
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#define included_clib_smp_h
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#include <vppinfra/cache.h>
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#include <vppinfra/os.h> /* for os_panic */
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#define clib_smp_compare_and_swap(addr,new,old) __sync_val_compare_and_swap(addr,old,new)
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#define clib_smp_swap(addr,new) __sync_lock_test_and_set(addr,new)
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#define clib_smp_atomic_add(addr,increment) __sync_fetch_and_add(addr,increment)
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#if defined (i386) || defined (__x86_64__)
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#define clib_smp_pause() do { asm volatile ("pause"); } while (0)
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#endif
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#ifndef clib_smp_pause
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#define clib_smp_pause() do { } while (0)
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#endif
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#ifdef CLIB_UNIX
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#include <sched.h>
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always_inline void
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os_sched_yield (void)
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{
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sched_yield ();
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}
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#else
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always_inline void
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os_sched_yield (void)
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{
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clib_smp_pause ();
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}
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#endif
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#endif /* included_clib_smp_h */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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