mirror of
https://github.com/ceres-solver/ceres-solver.git
synced 2026-08-30 00:50:37 +08:00
Sameer Agarwal
caf614a6c1
Mostly done using
find . \( -name '*.cc' -o -name '*.h' \) -a -type f -exec clang-tidy -p \
cmake-build -checks='-*,google-*,modernize-*,-modernize-use-nodiscard,-modernize-use-trailing-return-type' {} -fix \;
Change-Id: Ifccbcabe7a1d9a32a09d28ac4f3f8466696c1a50
72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
// Ceres Solver - A fast non-linear least squares minimizer
|
|
// Copyright 2017 Google Inc. All rights reserved.
|
|
// http://ceres-solver.org/
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright notice,
|
|
// this list of conditions and the following disclaimer in the documentation
|
|
// and/or other materials provided with the distribution.
|
|
// * Neither the name of Google Inc. nor the names of its contributors may be
|
|
// used to endorse or promote products derived from this software without
|
|
// specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
// POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// Author: yp@photonscore.de (Yury Prokazov)
|
|
|
|
#include "ceres/thread_token_provider.h"
|
|
|
|
#ifdef CERES_USE_OPENMP
|
|
#include <omp.h>
|
|
#endif
|
|
|
|
namespace ceres::internal {
|
|
|
|
ThreadTokenProvider::ThreadTokenProvider(int num_threads) {
|
|
(void)num_threads;
|
|
#ifdef CERES_USE_CXX_THREADS
|
|
for (int i = 0; i < num_threads; i++) {
|
|
pool_.Push(i);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
int ThreadTokenProvider::Acquire() {
|
|
#ifdef CERES_USE_OPENMP
|
|
return omp_get_thread_num();
|
|
#endif
|
|
|
|
#ifdef CERES_NO_THREADS
|
|
return 0;
|
|
#endif
|
|
|
|
#ifdef CERES_USE_CXX_THREADS
|
|
int thread_id;
|
|
CHECK(pool_.Wait(&thread_id));
|
|
return thread_id;
|
|
#endif
|
|
}
|
|
|
|
void ThreadTokenProvider::Release(int thread_id) {
|
|
(void)thread_id;
|
|
#ifdef CERES_USE_CXX_THREADS
|
|
pool_.Push(thread_id);
|
|
#endif
|
|
}
|
|
|
|
} // namespace ceres::internal
|