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261 lines
9.1 KiB
261 lines
9.1 KiB
/*****************************************************************************/ |
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// Copyright 2002-2008 Adobe Systems Incorporated |
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// All Rights Reserved. |
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// |
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// NOTICE: Adobe permits you to use, modify, and distribute this file in |
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// accordance with the terms of the Adobe license agreement accompanying it. |
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/*****************************************************************************/ |
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/* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_pthread.h#1 $ */ |
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/* $DateTime: 2012/05/30 13:28:51 $ */ |
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/* $Change: 832332 $ */ |
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/* $Author: tknoll $ */ |
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/*****************************************************************************/ |
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#ifndef __dng_pthread__ |
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#define __dng_pthread__ |
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/*****************************************************************************/ |
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#include "dng_flags.h" |
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/*****************************************************************************/ |
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#if qDNGThreadSafe |
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/*****************************************************************************/ |
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#if !qWinOS |
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/*****************************************************************************/ |
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/* Try generic POSIX compile */ |
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#include <errno.h> |
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#include <pthread.h> |
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#define dng_pthread_disassociate() |
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#define dng_pthread_terminate() |
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/*****************************************************************************/ |
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#else |
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/*****************************************************************************/ |
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#include <stdlib.h> |
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#if _MSC_VER >= 1600 |
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// Get this included so ETIMEDOUT is predefined. |
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#include <errno.h> |
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#endif |
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#include <time.h> |
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#define dng_timespec timespec |
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#ifdef __cplusplus |
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extern "C" |
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{ |
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#endif |
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/*****************************************************************************/ |
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#define DNG_ETIMEDOUT 60 /* Operation timed out */ |
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typedef unsigned long dng_pthread_t; |
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typedef struct dng_pthread_mutex_impl *dng_pthread_mutex_t; |
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typedef struct dng_pthread_cond_impl *dng_pthread_cond_t; |
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typedef unsigned long dng_pthread_key_t; |
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#define DNG_PTHREAD_MUTEX_INITIALIZER ((struct dng_pthread_mutex_impl *)-1) |
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#define DNG_PTHREAD_COND_INITIALIZER ((struct dng_pthread_cond_impl *)-1) |
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struct _dng_pthread_once_t { |
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int inited; |
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long semaphore; |
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}; |
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typedef struct _dng_pthread_once_t dng_pthread_once_t; |
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#define DNG_PTHREAD_ONCE_INIT { 0, -1 } |
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#define dng_pthread_equal(t1, t2) ((t1) == (t2)) |
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typedef struct dng_pthread_attr_impl *dng_pthread_attr_t; |
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int dng_pthread_attr_init(dng_pthread_attr_t *attr); |
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int dng_pthread_attr_destroy(dng_pthread_attr_t *attr); |
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int dng_pthread_attr_setstacksize(dng_pthread_attr_t *attr, size_t stacksize); |
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int dng_pthread_attr_getstacksize(const dng_pthread_attr_t *attr, size_t *stacksize); |
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int dng_pthread_create(dng_pthread_t *thread, const dng_pthread_attr_t * /* attrs */, void * (*func)(void *), void *arg); |
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int dng_pthread_detach(dng_pthread_t thread); |
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int dng_pthread_join(dng_pthread_t thread, void **result); |
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dng_pthread_t dng_pthread_self(); |
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void dng_pthread_exit(void *result); |
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#define DNG_PTHREAD_MUTEX_RECURSIVE 0 |
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typedef unsigned long dng_pthread_mutexattr_t; |
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int dng_pthread_mutexattr_init(dng_pthread_mutexattr_t *mutexattr); |
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int dng_pthread_mutexattr_settype(dng_pthread_mutexattr_t *mutexattr, int /*the options*/); |
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int dng_pthread_mutex_init(dng_pthread_mutex_t *mutex, void * /* attrs */); |
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int dng_pthread_mutex_destroy(dng_pthread_mutex_t *mutex); |
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int dng_pthread_mutex_lock(dng_pthread_mutex_t *mutex); |
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int dng_pthread_mutex_unlock(dng_pthread_mutex_t *mutex); |
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int dng_pthread_cond_init(dng_pthread_cond_t *cond, void * /* attrs */); |
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int dng_pthread_cond_destroy(dng_pthread_cond_t *cond); |
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int dng_pthread_cond_wait(dng_pthread_cond_t *cond, dng_pthread_mutex_t *mutex); |
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int dng_pthread_cond_timedwait(dng_pthread_cond_t *cond, dng_pthread_mutex_t *mutex, struct dng_timespec *latest_time); |
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int dng_pthread_cond_signal(dng_pthread_cond_t *cond); |
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int dng_pthread_cond_broadcast(dng_pthread_cond_t *cond); |
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int dng_pthread_once(dng_pthread_once_t *once, void (*init_func)()); |
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int dng_pthread_key_create(dng_pthread_key_t * key, void (*destructor) (void *)); |
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int dng_pthread_key_delete(dng_pthread_key_t key); |
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int dng_pthread_setspecific(dng_pthread_key_t key, const void *value); |
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void *dng_pthread_getspecific(dng_pthread_key_t key); |
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typedef struct dng_pthread_rwlock_impl *dng_pthread_rwlock_t; |
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typedef void *pthread_rwlockattr_t; |
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int dng_pthread_rwlock_destroy(dng_pthread_rwlock_t * rwlock); |
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int dng_pthread_rwlock_init(dng_pthread_rwlock_t * rwlock, const pthread_rwlockattr_t * attrs); |
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int dng_pthread_rwlock_rdlock(dng_pthread_rwlock_t * rwlock); |
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int dng_pthread_rwlock_tryrdlock(dng_pthread_rwlock_t * rwlock); |
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int dng_pthread_rwlock_trywrlock(dng_pthread_rwlock_t * rwlock); |
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int dng_pthread_rwlock_unlock(dng_pthread_rwlock_t * rwlock); |
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int dng_pthread_rwlock_wrlock(dng_pthread_rwlock_t * rwlock); |
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typedef struct dng_pthread_rwlock_impl *dng_pthread_rwlock_t; |
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typedef void *pthread_rwlockattr_t; |
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int dng_pthread_rwlock_destroy(dng_pthread_rwlock_t * rwlock); |
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int dng_pthread_rwlock_init(dng_pthread_rwlock_t * rwlock, const pthread_rwlockattr_t * attrs); |
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int dng_pthread_rwlock_rdlock(dng_pthread_rwlock_t * rwlock); |
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int dng_pthread_rwlock_tryrdlock(dng_pthread_rwlock_t * rwlock); |
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int dng_pthread_rwlock_trywrlock(dng_pthread_rwlock_t * rwlock); |
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int dng_pthread_rwlock_unlock(dng_pthread_rwlock_t * rwlock); |
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int dng_pthread_rwlock_wrlock(dng_pthread_rwlock_t * rwlock); |
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// dng_pthread may maintain per-thread global state. This routine frees that global state. |
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// there is no need to call this for threads created by dng_pthread and one can call |
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// dng_pthread routines of a thread after dng_pthread_disassociate as the global state will |
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// be recreated as necessary. However dng_pthread_disassociate will need to be called again |
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// and there is a slight performance cost. Do not call this routine while holding a mutex, etc. |
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void dng_pthread_disassociate(); |
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void dng_pthread_terminate(); |
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/*****************************************************************************/ |
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// Map symbols back to plain pthread names. This whole mechanism is so the DNG pthreads library |
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// symbols do not collide with another pthread emulation library |
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// that may be in use in the same linked entity. However if that is the case, it would be far better |
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// to have the DNG code use the same pthread library as the rest of the code. |
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#define pthread_t dng_pthread_t |
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#define pthread_mutex_t dng_pthread_mutex_t |
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#define pthread_cond_t dng_pthread_cond_t |
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#define pthread_once_t dng_pthread_once_t |
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#define pthread_key_t dng_pthread_key_t |
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#undef PTHREAD_MUTEX_INITIALIZER |
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#define PTHREAD_MUTEX_INITIALIZER DNG_PTHREAD_MUTEX_INITIALIZER |
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#undef PTHREAD_COND_INITIALIZER |
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#define PTHREAD_COND_INITIALIZER DNG_PTHREAD_COND_INITIALIZER |
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#undef PTHREAD_ONCE_INIT |
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#define PTHREAD_ONCE_INIT DNG_PTHREAD_ONCE_INIT |
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/* If it is defined on Windows, it probably has the wrong value... */ |
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#if defined(WIN32) || !defined(ETIMEDOUT) |
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#undef ETIMEDOUT |
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#define ETIMEDOUT DNG_ETIMEDOUT |
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#endif |
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#define pthread_equal dng_pthread_equal |
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#define pthread_attr_t dng_pthread_attr_t |
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#define pthread_attr_init dng_pthread_attr_init |
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#define pthread_attr_destroy dng_pthread_attr_destroy |
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#define pthread_attr_setstacksize dng_pthread_attr_setstacksize |
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#define pthread_attr_getstacksize dng_pthread_attr_getstacksize |
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#define pthread_create dng_pthread_create |
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#define pthread_detach dng_pthread_detach |
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#define pthread_join dng_pthread_join |
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#define pthread_self dng_pthread_self |
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#define pthread_exit dng_pthread_exit |
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#define pthread_mutex_init dng_pthread_mutex_init |
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#define pthread_mutex_destroy dng_pthread_mutex_destroy |
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#define pthread_mutex_lock dng_pthread_mutex_lock |
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#define pthread_mutex_unlock dng_pthread_mutex_unlock |
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#define pthread_cond_init dng_pthread_cond_init |
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#define pthread_cond_destroy dng_pthread_cond_destroy |
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#define pthread_cond_wait dng_pthread_cond_wait |
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#define pthread_cond_timedwait dng_pthread_cond_timedwait |
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#define pthread_cond_signal dng_pthread_cond_signal |
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#define pthread_cond_broadcast dng_pthread_cond_broadcast |
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#define pthread_once dng_pthread_once |
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#define pthread_key_create dng_pthread_key_create |
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#define pthread_key_delete dng_pthread_key_delete |
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#define pthread_setspecific dng_pthread_setspecific |
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#define pthread_getspecific dng_pthread_getspecific |
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#define pthread_rwlock_t dng_pthread_rwlock_t |
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#define pthread_rwlock_destroy dng_pthread_rwlock_destroy |
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#define pthread_rwlock_init dng_pthread_rwlock_init |
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#define pthread_rwlock_rdlock dng_pthread_rwlock_rdlock |
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#define pthread_rwlock_tryrdlock dng_pthread_rwlock_tryrdlock |
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#define pthread_rwlock_trywrlock dng_pthread_rwlock_trywrlock |
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#define pthread_rwlock_unlock dng_pthread_rwlock_unlock |
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#define pthread_rwlock_wrlock dng_pthread_rwlock_wrlock |
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/*****************************************************************************/ |
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#ifdef __cplusplus |
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} |
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#endif |
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/*****************************************************************************/ |
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#endif |
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/*****************************************************************************/ |
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#ifdef __cplusplus |
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extern "C" |
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{ |
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#endif |
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int dng_pthread_now (struct timespec *now); |
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#ifdef __cplusplus |
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} |
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#endif |
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/*****************************************************************************/ |
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#endif // qDNGThreadSafe |
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/*****************************************************************************/ |
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#endif |
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/*****************************************************************************/
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