1 //========================================================================
2 // GLFW 3.4 POSIX - www.glfw.org
3 //------------------------------------------------------------------------
4 // Copyright (c) 2002-2006 Marcus Geelnard
5 // Copyright (c) 2006-2017 Camilla Löwy <elmindreda@glfw.org>
7 // This software is provided 'as-is', without any express or implied
8 // warranty. In no event will the authors be held liable for any damages
9 // arising from the use of this software.
11 // Permission is granted to anyone to use this software for any purpose,
12 // including commercial applications, and to alter it and redistribute it
13 // freely, subject to the following restrictions:
15 // 1. The origin of this software must not be misrepresented; you must not
16 // claim that you wrote the original software. If you use this software
17 // in a product, an acknowledgment in the product documentation would
18 // be appreciated but is not required.
20 // 2. Altered source versions must be plainly marked as such, and must not
21 // be misrepresented as being the original software.
23 // 3. This notice may not be removed or altered from any source
26 //========================================================================
27 // It is fine to use C99 in this file because it will not be built with VS
28 //========================================================================
36 //////////////////////////////////////////////////////////////////////////
37 ////// GLFW platform API //////
38 //////////////////////////////////////////////////////////////////////////
40 GLFWbool _glfwPlatformCreateTls(_GLFWtls* tls)
42 assert(tls->posix.allocated == GLFW_FALSE);
44 if (pthread_key_create(&tls->posix.key, NULL) != 0)
46 _glfwInputError(GLFW_PLATFORM_ERROR,
47 "POSIX: Failed to create context TLS");
51 tls->posix.allocated = GLFW_TRUE;
55 void _glfwPlatformDestroyTls(_GLFWtls* tls)
57 if (tls->posix.allocated)
58 pthread_key_delete(tls->posix.key);
59 memset(tls, 0, sizeof(_GLFWtls));
62 void* _glfwPlatformGetTls(_GLFWtls* tls)
64 assert(tls->posix.allocated == GLFW_TRUE);
65 return pthread_getspecific(tls->posix.key);
68 void _glfwPlatformSetTls(_GLFWtls* tls, void* value)
70 assert(tls->posix.allocated == GLFW_TRUE);
71 pthread_setspecific(tls->posix.key, value);
74 GLFWbool _glfwPlatformCreateMutex(_GLFWmutex* mutex)
76 assert(mutex->posix.allocated == GLFW_FALSE);
78 if (pthread_mutex_init(&mutex->posix.handle, NULL) != 0)
80 _glfwInputError(GLFW_PLATFORM_ERROR, "POSIX: Failed to create mutex");
84 return mutex->posix.allocated = GLFW_TRUE;
87 void _glfwPlatformDestroyMutex(_GLFWmutex* mutex)
89 if (mutex->posix.allocated)
90 pthread_mutex_destroy(&mutex->posix.handle);
91 memset(mutex, 0, sizeof(_GLFWmutex));
94 void _glfwPlatformLockMutex(_GLFWmutex* mutex)
96 assert(mutex->posix.allocated == GLFW_TRUE);
97 pthread_mutex_lock(&mutex->posix.handle);
100 void _glfwPlatformUnlockMutex(_GLFWmutex* mutex)
102 assert(mutex->posix.allocated == GLFW_TRUE);
103 pthread_mutex_unlock(&mutex->posix.handle);