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108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
//========================================================================
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// GLFW 3.5 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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#include "internal.h"
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#if defined(GLFW_BUILD_POSIX_THREAD)
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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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#endif // GLFW_BUILD_POSIX_THREAD
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