SDL 2.0
SDL_systls.c
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1/*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
4
5 This software is provided 'as-is', without any express or implied
6 warranty. In no event will the authors be held liable for any damages
7 arising from the use of this software.
8
9 Permission is granted to anyone to use this software for any purpose,
10 including commercial applications, and to alter it and redistribute it
11 freely, subject to the following restrictions:
12
13 1. The origin of this software must not be misrepresented; you must not
14 claim that you wrote the original software. If you use this software
15 in a product, an acknowledgment in the product documentation would be
16 appreciated but is not required.
17 2. Altered source versions must be plainly marked as such, and must not be
18 misrepresented as being the original software.
19 3. This notice may not be removed or altered from any source distribution.
20*/
21#include "../../SDL_internal.h"
22#include "SDL_thread.h"
23#include "../SDL_systhread.h"
24#include "../SDL_thread_c.h"
25
26#include <pthread.h>
27
28
29#define INVALID_PTHREAD_KEY ((pthread_key_t)-1)
30
33
36{
38 static SDL_SpinLock lock;
41 pthread_key_t storage;
42 if (pthread_key_create(&storage, NULL) == 0) {
44 thread_local_storage = storage;
45 } else {
47 }
48 }
50 }
53 }
55 return (SDL_TLSData *)pthread_getspecific(thread_local_storage);
56}
57
58int
60{
63 }
64 if (pthread_setspecific(thread_local_storage, data) != 0) {
65 return SDL_SetError("pthread_setspecific() failed");
66 }
67 return 0;
68}
69
70/* vi: set ts=4 sw=4 expandtab: */
#define SDL_MemoryBarrierRelease()
Definition: SDL_atomic.h:207
int SDL_SpinLock
Definition: SDL_atomic.h:89
#define SDL_MemoryBarrierAcquire()
Definition: SDL_atomic.h:208
#define SDL_SetError
#define SDL_AtomicLock
#define SDL_AtomicUnlock
SDL_mutex * lock
Definition: SDL_events.c:76
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
SDL_bool
Definition: SDL_stdinc.h:162
@ SDL_TRUE
Definition: SDL_stdinc.h:164
@ SDL_FALSE
Definition: SDL_stdinc.h:163
int SDL_Generic_SetTLSData(SDL_TLSData *storage)
Definition: SDL_thread.c:163
SDL_TLSData * SDL_Generic_GetTLSData(void)
Definition: SDL_thread.c:124
#define NULL
Definition: begin_code.h:167
SDL_TLSData * SDL_SYS_GetTLSData(void)
Definition: SDL_systls.c:27
int SDL_SYS_SetTLSData(SDL_TLSData *data)
Definition: SDL_systls.c:33
#define INVALID_PTHREAD_KEY
Definition: SDL_systls.c:29
static pthread_key_t thread_local_storage
Definition: SDL_systls.c:31
static SDL_bool generic_local_storage
Definition: SDL_systls.c:32