Sergey Sharybin
df5631216a
Solved by adding RW lock to BKE_vfont_to_curve. So now all the threads are allowed to read chars from ghash, but they'll be locked as soon as one thread would need to load more chars from font to the ghash.
186 lines
5.0 KiB
C++
186 lines
5.0 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2006 Blender Foundation.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef __BLI_THREADS_H__
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#define __BLI_THREADS_H__
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/** \file BLI_threads.h
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* \ingroup bli
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <pthread.h>
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#ifdef __APPLE__
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#include <libkern/OSAtomic.h>
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#endif
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/* for tables, button in UI, etc */
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#define BLENDER_MAX_THREADS 64
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struct ListBase;
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struct TaskScheduler;
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/* Threading API */
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/*this is run once at startup*/
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void BLI_threadapi_init(void);
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void BLI_threadapi_exit(void);
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struct TaskScheduler *BLI_task_scheduler_get(void);
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void BLI_init_threads(struct ListBase *threadbase, void *(*do_thread)(void *), int tot);
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int BLI_available_threads(struct ListBase *threadbase);
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int BLI_available_thread_index(struct ListBase *threadbase);
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void BLI_insert_thread(struct ListBase *threadbase, void *callerdata);
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void BLI_remove_thread(struct ListBase *threadbase, void *callerdata);
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void BLI_remove_thread_index(struct ListBase *threadbase, int index);
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void BLI_remove_threads(struct ListBase *threadbase);
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void BLI_end_threads(struct ListBase *threadbase);
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int BLI_thread_is_main(void);
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void BLI_begin_threaded_malloc(void);
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void BLI_end_threaded_malloc(void);
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/* System Information */
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int BLI_system_thread_count(void); /* gets the number of threads the system can make use of */
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void BLI_system_num_threads_override_set(int num);
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int BLI_system_num_threads_override_get(void);
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/* Global Mutex Locks
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*
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* One custom lock available now. can be extended. */
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#define LOCK_IMAGE 0
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#define LOCK_DRAW_IMAGE 1
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#define LOCK_VIEWER 2
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#define LOCK_CUSTOM1 3
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#define LOCK_RCACHE 4
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#define LOCK_OPENGL 5
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#define LOCK_NODES 6
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#define LOCK_MOVIECLIP 7
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#define LOCK_COLORMANAGE 8
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void BLI_lock_thread(int type);
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void BLI_unlock_thread(int type);
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/* Mutex Lock */
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typedef pthread_mutex_t ThreadMutex;
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#define BLI_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
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void BLI_mutex_init(ThreadMutex *mutex);
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void BLI_mutex_end(ThreadMutex *mutex);
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ThreadMutex *BLI_mutex_alloc(void);
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void BLI_mutex_free(ThreadMutex *mutex);
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void BLI_mutex_lock(ThreadMutex *mutex);
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bool BLI_mutex_trylock(ThreadMutex *mutex);
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void BLI_mutex_unlock(ThreadMutex *mutex);
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/* Spin Lock */
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#ifdef __APPLE__
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typedef OSSpinLock SpinLock;
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#else
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typedef pthread_spinlock_t SpinLock;
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#endif
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void BLI_spin_init(SpinLock *spin);
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void BLI_spin_lock(SpinLock *spin);
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void BLI_spin_unlock(SpinLock *spin);
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void BLI_spin_end(SpinLock *spin);
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/* Read/Write Mutex Lock */
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#define THREAD_LOCK_READ 1
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#define THREAD_LOCK_WRITE 2
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#define BLI_RWLOCK_INITIALIZER PTHREAD_RWLOCK_INITIALIZER
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typedef pthread_rwlock_t ThreadRWMutex;
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void BLI_rw_mutex_init(ThreadRWMutex *mutex);
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void BLI_rw_mutex_end(ThreadRWMutex *mutex);
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ThreadRWMutex *BLI_rw_mutex_alloc(void);
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void BLI_rw_mutex_free(ThreadRWMutex *mutex);
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void BLI_rw_mutex_lock(ThreadRWMutex *mutex, int mode);
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void BLI_rw_mutex_unlock(ThreadRWMutex *mutex);
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/* Ticket Mutex Lock
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*
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* This is a 'fair' mutex in that it will grant the lock to the first thread
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* that requests it. */
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typedef struct TicketMutex TicketMutex;
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TicketMutex *BLI_ticket_mutex_alloc(void);
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void BLI_ticket_mutex_free(TicketMutex *ticket);
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void BLI_ticket_mutex_lock(TicketMutex *ticket);
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void BLI_ticket_mutex_unlock(TicketMutex *ticket);
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/* Condition */
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typedef pthread_cond_t ThreadCondition;
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void BLI_condition_init(ThreadCondition *cond);
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void BLI_condition_wait(ThreadCondition *cond, ThreadMutex *mutex);
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void BLI_condition_notify_one(ThreadCondition *cond);
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void BLI_condition_notify_all(ThreadCondition *cond);
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void BLI_condition_end(ThreadCondition *cond);
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/* ThreadWorkQueue
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*
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* Thread-safe work queue to push work/pointers between threads. */
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typedef struct ThreadQueue ThreadQueue;
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ThreadQueue *BLI_thread_queue_init(void);
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void BLI_thread_queue_free(ThreadQueue *queue);
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void BLI_thread_queue_push(ThreadQueue *queue, void *work);
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void *BLI_thread_queue_pop(ThreadQueue *queue);
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void *BLI_thread_queue_pop_timeout(ThreadQueue *queue, int ms);
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int BLI_thread_queue_size(ThreadQueue *queue);
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void BLI_thread_queue_wait_finish(ThreadQueue *queue);
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void BLI_thread_queue_nowait(ThreadQueue *queue);
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#ifdef __cplusplus
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}
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#endif
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#endif
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