d0c2e68e5f
* Use .empty() and .data() * Use nullptr instead of 0 * No else after return * Simple class member initialization * Add override for virtual methods * Include C++ instead of C headers * Remove some unused includes * Use default constructors * Always use braces * Consistent names in definition and declaration * Change typedef to using Pull Request: https://projects.blender.org/blender/blender/pulls/132361
74 lines
1.5 KiB
C++
74 lines
1.5 KiB
C++
/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
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*
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* SPDX-License-Identifier: Apache-2.0 */
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#pragma once
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#include <condition_variable>
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#include <functional>
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#include <mutex>
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#if defined(__APPLE__) || defined(__linux__) && !defined(__GLIBC__)
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# include <pthread.h>
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#else
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# include <thread>
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#endif
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#ifdef _WIN32
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# include "util/windows.h"
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#endif
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/* NOTE: Use tbb/spin_mutex.h instead of util_tbb.h because some of the TBB
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* functionality requires RTTI, which is disabled for OSL kernel. */
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#include <tbb/spin_mutex.h>
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CCL_NAMESPACE_BEGIN
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using thread_mutex = std::mutex;
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using thread_scoped_lock = std::unique_lock<std::mutex>;
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using thread_condition_variable = std::condition_variable;
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/**
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* Own thread implementation similar to std::thread, so we can set a
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* custom stack size on macOS.
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*/
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class thread {
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public:
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thread(std::function<void()> run_cb);
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~thread();
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static void *run(void *arg);
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bool join();
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protected:
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std::function<void()> run_cb_;
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#if defined(__APPLE__) || defined(__linux__) && !defined(__GLIBC__)
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pthread_t pthread_id;
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#else
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std::thread std_thread;
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#endif
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bool joined_;
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};
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using thread_spin_lock = tbb::spin_mutex;
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class thread_scoped_spin_lock {
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public:
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explicit thread_scoped_spin_lock(thread_spin_lock &lock) : lock_(lock)
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{
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lock_.lock();
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}
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~thread_scoped_spin_lock()
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{
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lock_.unlock();
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}
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/* TODO(sergey): Implement manual control over lock/unlock. */
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protected:
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thread_spin_lock &lock_;
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};
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CCL_NAMESPACE_END
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