/work/dav1d/src/thread.h

Source
/*
 * 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 */

Line	Count	Source
1		/*
2		* Copyright © 2018-2021, VideoLAN and dav1d authors
3		* Copyright © 2018, Two Orioles, LLC
4		* All rights reserved.
5		*
6		* Redistribution and use in source and binary forms, with or without
7		* modification, are permitted provided that the following conditions are met:
8		*
9		* 1. Redistributions of source code must retain the above copyright notice, this
10		* list of conditions and the following disclaimer.
11		*
12		* 2. Redistributions in binary form must reproduce the above copyright notice,
13		* this list of conditions and the following disclaimer in the documentation
14		* and/or other materials provided with the distribution.
15		*
16		* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17		* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18		* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19		* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
20		* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21		* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22		* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23		* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24		* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25		* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26		*/
27
28		#ifndef DAV1D_SRC_THREAD_H
29		#define DAV1D_SRC_THREAD_H
30
31		#if defined(_WIN32)
32
33		#include <limits.h>
34		#include <windows.h>
35
36		#define PTHREAD_MUTEX_INITIALIZER SRWLOCK_INIT
37		#define PTHREAD_ONCE_INIT INIT_ONCE_STATIC_INIT
38
39		typedef struct {
40		HANDLE h;
41		void (func)(void*);
42		void *arg;
43		} pthread_t;
44
45		typedef struct {
46		unsigned stack_size;
47		} pthread_attr_t;
48
49		typedef SRWLOCK pthread_mutex_t;
50		typedef CONDITION_VARIABLE pthread_cond_t;
51		typedef INIT_ONCE pthread_once_t;
52
53		void dav1d_init_thread(void);
54		void dav1d_set_thread_name(const wchar_t *name);
55		#define dav1d_set_thread_name(name) dav1d_set_thread_name(L##name)
56
57		int dav1d_pthread_create(pthread_t thread, const pthread_attr_t attr,
58		void (func)(void), void arg);
59		int dav1d_pthread_join(pthread_t thread, void *res);
60		int dav1d_pthread_once(pthread_once_t *once_control,
61		void (*init_routine)(void));
62
63		#define pthread_create dav1d_pthread_create
64		#define pthread_join(thread, res) dav1d_pthread_join(&(thread), res)
65		#define pthread_once dav1d_pthread_once
66
67		static inline int pthread_attr_init(pthread_attr_t *const attr) {
68		attr->stack_size = 0;
69		return 0;
70		}
71
72		static inline int pthread_attr_destroy(pthread_attr_t *const attr) {
73		return 0;
74		}
75
76		static inline int pthread_attr_setstacksize(pthread_attr_t *const attr,
77		const size_t stack_size)
78		{
79		if (stack_size > UINT_MAX) return 1;
80		attr->stack_size = (unsigned) stack_size;
81		return 0;
82		}
83
84		static inline int pthread_mutex_init(pthread_mutex_t *const mutex,
85		const void *const attr)
86		{
87		InitializeSRWLock(mutex);
88		return 0;
89		}
90
91		static inline int pthread_mutex_destroy(pthread_mutex_t *const mutex) {
92		return 0;
93		}
94
95		static inline int pthread_mutex_lock(pthread_mutex_t *const mutex) {
96		AcquireSRWLockExclusive(mutex);
97		return 0;
98		}
99
100		static inline int pthread_mutex_unlock(pthread_mutex_t *const mutex) {
101		ReleaseSRWLockExclusive(mutex);
102		return 0;
103		}
104
105		static inline int pthread_cond_init(pthread_cond_t *const cond,
106		const void *const attr)
107		{
108		InitializeConditionVariable(cond);
109		return 0;
110		}
111
112		static inline int pthread_cond_destroy(pthread_cond_t *const cond) {
113		return 0;
114		}
115
116		static inline int pthread_cond_wait(pthread_cond_t *const cond,
117		pthread_mutex_t *const mutex)
118		{
119		return !SleepConditionVariableSRW(cond, mutex, INFINITE, 0);
120		}
121
122		static inline int pthread_cond_signal(pthread_cond_t *const cond) {
123		WakeConditionVariable(cond);
124		return 0;
125		}
126
127		static inline int pthread_cond_broadcast(pthread_cond_t *const cond) {
128		WakeAllConditionVariable(cond);
129		return 0;
130		}
131
132		#else
133
134		#include <pthread.h>
135		#if defined(__FreeBSD__)
136		/* ALIGN from <sys/param.h> conflicts with ALIGN from "common/attributes.h" */
137		#define _SYS_PARAM_H_
138		#include <sys/types.h>
139		#endif
140		#if HAVE_PTHREAD_NP_H
141		#include <pthread_np.h>
142		#endif
143
144	0	#define dav1d_init_thread() do {} while (0)
145
146		/* Thread naming support */
147
148		#ifdef __linux__
149
150		#include <sys/prctl.h>
151
152	0	static inline void dav1d_set_thread_name(const char *const name) {
153		prctl(PR_SET_NAME, name);
154	0	} Unexecuted instantiation: lib.c:dav1d_set_thread_name Unexecuted instantiation: log.c:dav1d_set_thread_name Unexecuted instantiation: mem.c:dav1d_set_thread_name Unexecuted instantiation: obu.c:dav1d_set_thread_name Unexecuted instantiation: picture.c:dav1d_set_thread_name Unexecuted instantiation: ref.c:dav1d_set_thread_name Unexecuted instantiation: refmvs.c:dav1d_set_thread_name Unexecuted instantiation: thread_task.c:dav1d_set_thread_name Unexecuted instantiation: cdf.c:dav1d_set_thread_name Unexecuted instantiation: data.c:dav1d_set_thread_name Unexecuted instantiation: decode.c:dav1d_set_thread_name Unexecuted instantiation: recon_tmpl.c:dav1d_set_thread_name Unexecuted instantiation: scan.c:dav1d_set_thread_name Unexecuted instantiation: cdef_apply_tmpl.c:dav1d_set_thread_name Unexecuted instantiation: lf_apply_tmpl.c:dav1d_set_thread_name Unexecuted instantiation: lr_apply_tmpl.c:dav1d_set_thread_name
155
156		#elif HAVE_PTHREAD_SETNAME_NP && defined(__APPLE__)
157
158		static inline void dav1d_set_thread_name(const char *const name) {
159		pthread_setname_np(name);
160		}
161
162		#elif HAVE_PTHREAD_SETNAME_NP && defined(__NetBSD__)
163
164		static inline void dav1d_set_thread_name(const char *const name) {
165		pthread_setname_np(pthread_self(), "%s", (void*)name);
166		}
167
168		#elif HAVE_PTHREAD_SETNAME_NP
169
170		static inline void dav1d_set_thread_name(const char *const name) {
171		pthread_setname_np(pthread_self(), name);
172		}
173
174		#elif HAVE_PTHREAD_SET_NAME_NP
175
176		static inline void dav1d_set_thread_name(const char *const name) {
177		pthread_set_name_np(pthread_self(), name);
178		}
179
180		#elif defined(__HAIKU__)
181
182		#include <os/kernel/OS.h>
183
184		static inline void dav1d_set_thread_name(const char *const name) {
185		rename_thread(find_thread(NULL), name);
186		}
187
188		#else
189
190		#define dav1d_set_thread_name(name) do {} while (0)
191
192		#endif
193
194		#endif
195
196		#endif /* DAV1D_SRC_THREAD_H */

Coverage Report

Created: 2026-05-16 06:28