| //======================================================================== |
| // GLFW 3.3 POSIX - www.glfw.org |
| //------------------------------------------------------------------------ |
| // Copyright (c) 2002-2006 Marcus Geelnard |
| // Copyright (c) 2006-2016 Camilla Löwy <elmindreda@glfw.org> |
| // |
| // This software is provided 'as-is', without any express or implied |
| // warranty. In no event will the authors be held liable for any damages |
| // arising from the use of this software. |
| // |
| // Permission is granted to anyone to use this software for any purpose, |
| // including commercial applications, and to alter it and redistribute it |
| // freely, subject to the following restrictions: |
| // |
| // 1. The origin of this software must not be misrepresented; you must not |
| // claim that you wrote the original software. If you use this software |
| // in a product, an acknowledgment in the product documentation would |
| // be appreciated but is not required. |
| // |
| // 2. Altered source versions must be plainly marked as such, and must not |
| // be misrepresented as being the original software. |
| // |
| // 3. This notice may not be removed or altered from any source |
| // distribution. |
| // |
| //======================================================================== |
| |
| #include "internal.h" |
| |
| #include <assert.h> |
| #include <string.h> |
| |
| |
| ////////////////////////////////////////////////////////////////////////// |
| ////// GLFW platform API ////// |
| ////////////////////////////////////////////////////////////////////////// |
| |
| GLFWbool _glfwPlatformCreateTls(_GLFWtls* tls) |
| { |
| assert(tls->posix.allocated == GLFW_FALSE); |
| |
| if (pthread_key_create(&tls->posix.key, NULL) != 0) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "POSIX: Failed to create context TLS"); |
| return GLFW_FALSE; |
| } |
| |
| tls->posix.allocated = GLFW_TRUE; |
| return GLFW_TRUE; |
| } |
| |
| void _glfwPlatformDestroyTls(_GLFWtls* tls) |
| { |
| if (tls->posix.allocated) |
| pthread_key_delete(tls->posix.key); |
| memset(tls, 0, sizeof(_GLFWtls)); |
| } |
| |
| void* _glfwPlatformGetTls(_GLFWtls* tls) |
| { |
| assert(tls->posix.allocated == GLFW_TRUE); |
| return pthread_getspecific(tls->posix.key); |
| } |
| |
| void _glfwPlatformSetTls(_GLFWtls* tls, void* value) |
| { |
| assert(tls->posix.allocated == GLFW_TRUE); |
| pthread_setspecific(tls->posix.key, value); |
| } |
| |
| GLFWbool _glfwPlatformCreateMutex(_GLFWmutex* mutex) |
| { |
| assert(mutex->posix.allocated == GLFW_FALSE); |
| |
| if (pthread_mutex_init(&mutex->posix.handle, NULL) != 0) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, "POSIX: Failed to create mutex"); |
| return GLFW_FALSE; |
| } |
| |
| return mutex->posix.allocated = GLFW_TRUE; |
| } |
| |
| void _glfwPlatformDestroyMutex(_GLFWmutex* mutex) |
| { |
| if (mutex->posix.allocated) |
| pthread_mutex_destroy(&mutex->posix.handle); |
| memset(mutex, 0, sizeof(_GLFWmutex)); |
| } |
| |
| void _glfwPlatformLockMutex(_GLFWmutex* mutex) |
| { |
| assert(mutex->posix.allocated == GLFW_TRUE); |
| pthread_mutex_lock(&mutex->posix.handle); |
| } |
| |
| void _glfwPlatformUnlockMutex(_GLFWmutex* mutex) |
| { |
| assert(mutex->posix.allocated == GLFW_TRUE); |
| pthread_mutex_unlock(&mutex->posix.handle); |
| } |
| |