1 //========================================================================
2 // GLFW 3.4 Win32 - 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 // Please use C89 style variable declarations in this file because VS 2010
28 //========================================================================
35 //////////////////////////////////////////////////////////////////////////
36 ////// GLFW platform API //////
37 //////////////////////////////////////////////////////////////////////////
39 GLFWbool _glfwPlatformCreateTls(_GLFWtls* tls)
41 assert(tls->win32.allocated == GLFW_FALSE);
43 tls->win32.index = TlsAlloc();
44 if (tls->win32.index == TLS_OUT_OF_INDEXES)
46 _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
47 "Win32: Failed to allocate TLS index");
51 tls->win32.allocated = GLFW_TRUE;
55 void _glfwPlatformDestroyTls(_GLFWtls* tls)
57 if (tls->win32.allocated)
58 TlsFree(tls->win32.index);
59 memset(tls, 0, sizeof(_GLFWtls));
62 void* _glfwPlatformGetTls(_GLFWtls* tls)
64 assert(tls->win32.allocated == GLFW_TRUE);
65 return TlsGetValue(tls->win32.index);
68 void _glfwPlatformSetTls(_GLFWtls* tls, void* value)
70 assert(tls->win32.allocated == GLFW_TRUE);
71 TlsSetValue(tls->win32.index, value);
74 GLFWbool _glfwPlatformCreateMutex(_GLFWmutex* mutex)
76 assert(mutex->win32.allocated == GLFW_FALSE);
77 InitializeCriticalSection(&mutex->win32.section);
78 return mutex->win32.allocated = GLFW_TRUE;
81 void _glfwPlatformDestroyMutex(_GLFWmutex* mutex)
83 if (mutex->win32.allocated)
84 DeleteCriticalSection(&mutex->win32.section);
85 memset(mutex, 0, sizeof(_GLFWmutex));
88 void _glfwPlatformLockMutex(_GLFWmutex* mutex)
90 assert(mutex->win32.allocated == GLFW_TRUE);
91 EnterCriticalSection(&mutex->win32.section);
94 void _glfwPlatformUnlockMutex(_GLFWmutex* mutex)
96 assert(mutex->win32.allocated == GLFW_TRUE);
97 LeaveCriticalSection(&mutex->win32.section);