/*
* Copyright © 2018 - 2021 , VideoLAN and dav1d authors
* Copyright © 2018 , Two Orioles , LLC
* All rights reserved .
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions are met :
*
* 1 . Redistributions of source code must retain the above copyright notice , this
* list of conditions and the following disclaimer .
*
* 2 . 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 .
*
* 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 .
*/
#ifndef DAV1D_SRC_THREAD_H
#define DAV1D_SRC_THREAD_H
#if defined (_WIN32)
#include <limits.h>
#include <windows.h>
#define PTHREAD_MUTEX_INITIALIZER SRWLOCK_INIT
#define PTHREAD_ONCE_INIT INIT_ONCE_STATIC_INIT
typedef struct {
HANDLE h;
void *(*func)(void *);
void *arg;
} pthread_t;
typedef struct {
unsigned stack_size;
} pthread_attr_t;
typedef SRWLOCK pthread_mutex_t;
typedef CONDITION_VARIABLE pthread_cond_t;
typedef INIT_ONCE pthread_once_t;
void dav1d_init_thread(void );
void dav1d_set_thread_name(const wchar_t *name);
#define dav1d_set_thread_name(name) dav1d_set_thread_name(L## name)
int dav1d_pthread_create(pthread_t *thread, const pthread_attr_t *attr,
void *(*func)(void *), void *arg);
int dav1d_pthread_join(pthread_t *thread, void **res);
int dav1d_pthread_once(pthread_once_t *once_control,
void (*init_routine)(void ));
#define pthread_create dav1d_pthread_create
#define pthread_join(thread, res) dav1d_pthread_join(&(thread), res)
#define pthread_once dav1d_pthread_once
static inline int pthread_attr_init(pthread_attr_t *const attr) {
attr->stack_size = 0 ;
return 0 ;
}
static inline int pthread_attr_destroy(pthread_attr_t *const attr) {
return 0 ;
}
static inline int pthread_attr_setstacksize(pthread_attr_t *const attr,
const size_t stack_size)
{
if (stack_size > UINT_MAX) return 1 ;
attr->stack_size = (unsigned ) stack_size;
return 0 ;
}
static inline int pthread_mutex_init(pthread_mutex_t *const mutex,
const void *const attr)
{
InitializeSRWLock(mutex);
return 0 ;
}
static inline int pthread_mutex_destroy(pthread_mutex_t *const mutex) {
return 0 ;
}
static inline int pthread_mutex_lock(pthread_mutex_t *const mutex) {
AcquireSRWLockExclusive(mutex);
return 0 ;
}
static inline int pthread_mutex_unlock(pthread_mutex_t *const mutex) {
ReleaseSRWLockExclusive(mutex);
return 0 ;
}
static inline int pthread_cond_init(pthread_cond_t *const cond,
const void *const attr)
{
InitializeConditionVariable(cond);
return 0 ;
}
static inline int pthread_cond_destroy(pthread_cond_t *const cond) {
return 0 ;
}
static inline int pthread_cond_wait(pthread_cond_t *const cond,
pthread_mutex_t *const mutex)
{
return !SleepConditionVariableSRW(cond, mutex, INFINITE, 0 );
}
static inline int pthread_cond_signal(pthread_cond_t *const cond) {
WakeConditionVariable(cond);
return 0 ;
}
static inline int pthread_cond_broadcast(pthread_cond_t *const cond) {
WakeAllConditionVariable(cond);
return 0 ;
}
#else
#include <pthread.h>
#if defined (__FreeBSD__)
/* ALIGN from <sys/param.h> conflicts with ALIGN from "common/attributes.h" */
#define _SYS_PARAM_H_
#include <sys/types.h>
#endif
#if HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
#define dav1d_init_thread() do {} while (0 )
/* Thread naming support */
#ifdef __linux__
#include <sys/prctl.h>
static inline void dav1d_set_thread_name(const char *const name) {
prctl(PR_SET_NAME, name);
}
#elif HAVE_PTHREAD_SETNAME_NP && defined (__APPLE__)
static inline void dav1d_set_thread_name(const char *const name) {
pthread_setname_np(name);
}
#elif HAVE_PTHREAD_SETNAME_NP && defined (__NetBSD__)
static inline void dav1d_set_thread_name(const char *const name) {
pthread_setname_np(pthread_self(), "%s" , (void *)name);
}
#elif HAVE_PTHREAD_SETNAME_NP
static inline void dav1d_set_thread_name(const char *const name) {
pthread_setname_np(pthread_self(), name);
}
#elif HAVE_PTHREAD_SET_NAME_NP
static inline void dav1d_set_thread_name(const char *const name) {
pthread_set_name_np(pthread_self(), name);
}
#elif defined (__HAIKU__)
#include <os/kernel/OS.h>
static inline void dav1d_set_thread_name(const char *const name) {
rename_thread(find_thread(NULL), name);
}
#else
#define dav1d_set_thread_name(name) do {} while (0 )
#endif
#endif
#endif /* DAV1D_SRC_THREAD_H */
Messung V0.5 in Prozent C=97 H=96 G=96
¤ Dauer der Verarbeitung: 0.16 Sekunden
(vorverarbeitet am 2026-08-28)
¤
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