Files
blender/intern/cycles/util/util_thread.h
Sergey Sharybin 0579eaae1f Cycles: Make all #include statements relative to cycles source directory
The idea is to make include statements more explicit and obvious where the
file is coming from, additionally reducing chance of wrong header being
picked up.

For example, it was not obvious whether bvh.h was refferring to builder
or traversal, whenter node.h is a generic graph node or a shader node
and cases like that.

Surely this might look obvious for the active developers, but after some
time of not touching the code it becomes less obvious where file is coming
from.

This was briefly mentioned in T50824 and seems @brecht is fine with such
explicitness, but need to agree with all active developers before committing
this.

Please note that this patch is lacking changes related on GPU/OpenCL
support. This will be solved if/when we all agree this is a good idea to move
forward.

Reviewers: brecht, lukasstockner97, maiself, nirved, dingto, juicyfruit, swerner

Reviewed By: lukasstockner97, maiself, nirved, dingto

Subscribers: brecht

Differential Revision: https://developer.blender.org/D2586
2017-03-29 13:41:11 +02:00

113 lines
2.4 KiB
C++

/*
* Copyright 2011-2013 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __UTIL_THREAD_H__
#define __UTIL_THREAD_H__
#if (__cplusplus > 199711L) || (defined(_MSC_VER) && _MSC_VER >= 1800)
# include <thread>
# include <mutex>
# include <condition_variable>
# include <functional>
#else
# include <boost/thread.hpp>
#endif
#include <pthread.h>
#include <queue>
#ifdef __APPLE__
# include <libkern/OSAtomic.h>
#endif
#include "util/util_function.h"
CCL_NAMESPACE_BEGIN
#if (__cplusplus > 199711L) || (defined(_MSC_VER) && _MSC_VER >= 1800)
typedef std::mutex thread_mutex;
typedef std::unique_lock<std::mutex> thread_scoped_lock;
typedef std::condition_variable thread_condition_variable;
#else
/* use boost for mutexes */
typedef boost::mutex thread_mutex;
typedef boost::mutex::scoped_lock thread_scoped_lock;
typedef boost::condition_variable thread_condition_variable;
#endif
/* own pthread based implementation, to avoid boost version conflicts with
* dynamically loaded blender plugins */
class thread {
public:
thread(function<void(void)> run_cb, int group = -1);
~thread();
static void *run(void *arg);
bool join();
protected:
function<void(void)> run_cb_;
pthread_t pthread_id_;
bool joined_;
int group_;
};
/* Own wrapper around pthread's spin lock to make it's use easier. */
class thread_spin_lock {
public:
#ifdef __APPLE__
inline thread_spin_lock() {
spin_ = OS_SPINLOCK_INIT;
}
inline void lock() {
OSSpinLockLock(&spin_);
}
inline void unlock() {
OSSpinLockUnlock(&spin_);
}
#else /* __APPLE__ */
inline thread_spin_lock() {
pthread_spin_init(&spin_, 0);
}
inline ~thread_spin_lock() {
pthread_spin_destroy(&spin_);
}
inline void lock() {
pthread_spin_lock(&spin_);
}
inline void unlock() {
pthread_spin_unlock(&spin_);
}
#endif /* __APPLE__ */
protected:
#ifdef __APPLE__
OSSpinLock spin_;
#else
pthread_spinlock_t spin_;
#endif
};
CCL_NAMESPACE_END
#endif /* __UTIL_THREAD_H__ */