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//======================================================================== |
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// GLFW 3.4 POSIX - www.glfw.org |
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//------------------------------------------------------------------------ |
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// Copyright (c) 2002-2006 Marcus Geelnard |
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// Copyright (c) 2006-2017 Camilla Löwy <elmindreda@glfw.org> |
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// |
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// This software is provided 'as-is', without any express or implied |
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// warranty. In no event will the authors be held liable for any damages |
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// arising from the use of this software. |
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// |
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// Permission is granted to anyone to use this software for any purpose, |
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// including commercial applications, and to alter it and redistribute it |
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// freely, subject to the following restrictions: |
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// |
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// 1. The origin of this software must not be misrepresented; you must not |
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// claim that you wrote the original software. If you use this software |
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// in a product, an acknowledgment in the product documentation would |
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// be appreciated but is not required. |
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// |
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// 2. Altered source versions must be plainly marked as such, and must not |
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// be misrepresented as being the original software. |
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// |
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// 3. This notice may not be removed or altered from any source |
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// distribution. |
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// |
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//======================================================================== |
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// It is fine to use C99 in this file because it will not be built with VS |
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//======================================================================== |
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#include "internal.h" |
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#include <assert.h> |
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#include <string.h> |
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////////////////////////////////////////////////////////////////////////// |
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////// GLFW platform API ////// |
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////////////////////////////////////////////////////////////////////////// |
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GLFWbool _glfwPlatformCreateTls(_GLFWtls* tls) |
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{ |
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assert(tls->posix.allocated == GLFW_FALSE); |
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if (pthread_key_create(&tls->posix.key, NULL) != 0) |
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{ |
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_glfwInputError(GLFW_PLATFORM_ERROR, |
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"POSIX: Failed to create context TLS"); |
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return GLFW_FALSE; |
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} |
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tls->posix.allocated = GLFW_TRUE; |
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return GLFW_TRUE; |
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} |
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void _glfwPlatformDestroyTls(_GLFWtls* tls) |
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{ |
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if (tls->posix.allocated) |
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pthread_key_delete(tls->posix.key); |
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memset(tls, 0, sizeof(_GLFWtls)); |
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} |
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void* _glfwPlatformGetTls(_GLFWtls* tls) |
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{ |
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assert(tls->posix.allocated == GLFW_TRUE); |
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return pthread_getspecific(tls->posix.key); |
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} |
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void _glfwPlatformSetTls(_GLFWtls* tls, void* value) |
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{ |
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assert(tls->posix.allocated == GLFW_TRUE); |
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pthread_setspecific(tls->posix.key, value); |
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} |
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GLFWbool _glfwPlatformCreateMutex(_GLFWmutex* mutex) |
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{ |
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assert(mutex->posix.allocated == GLFW_FALSE); |
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if (pthread_mutex_init(&mutex->posix.handle, NULL) != 0) |
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{ |
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_glfwInputError(GLFW_PLATFORM_ERROR, "POSIX: Failed to create mutex"); |
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return GLFW_FALSE; |
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} |
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return mutex->posix.allocated = GLFW_TRUE; |
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} |
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void _glfwPlatformDestroyMutex(_GLFWmutex* mutex) |
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{ |
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if (mutex->posix.allocated) |
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pthread_mutex_destroy(&mutex->posix.handle); |
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memset(mutex, 0, sizeof(_GLFWmutex)); |
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} |
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void _glfwPlatformLockMutex(_GLFWmutex* mutex) |
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{ |
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assert(mutex->posix.allocated == GLFW_TRUE); |
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pthread_mutex_lock(&mutex->posix.handle); |
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} |
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void _glfwPlatformUnlockMutex(_GLFWmutex* mutex) |
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{ |
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assert(mutex->posix.allocated == GLFW_TRUE); |
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pthread_mutex_unlock(&mutex->posix.handle); |
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} |
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