mirror of
https://github.com/kovidgoyal/kitty.git
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99 lines
3.1 KiB
C
Vendored
99 lines
3.1 KiB
C
Vendored
//========================================================================
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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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bool
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_glfwPlatformCreateTls(_GLFWtls *tls) {
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assert(tls->posix.allocated == false);
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if (pthread_key_create(&tls->posix.key, NULL) != 0) {
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_glfwInputError(GLFW_PLATFORM_ERROR, "POSIX: Failed to create context TLS");
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return false;
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}
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tls->posix.allocated = true;
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return true;
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}
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void
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_glfwPlatformDestroyTls(_GLFWtls *tls) {
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if (tls->posix.allocated) pthread_key_delete(tls->posix.key);
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memset(tls, 0, sizeof(_GLFWtls));
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}
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void *
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_glfwPlatformGetTls(_GLFWtls *tls) {
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assert(tls->posix.allocated == true);
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return pthread_getspecific(tls->posix.key);
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}
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void
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_glfwPlatformSetTls(_GLFWtls *tls, void *value) {
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assert(tls->posix.allocated == true);
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pthread_setspecific(tls->posix.key, value);
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}
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bool
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_glfwPlatformCreateMutex(_GLFWmutex *mutex) {
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assert(mutex->posix.allocated == false);
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if (pthread_mutex_init(&mutex->posix.handle, NULL) != 0) {
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_glfwInputError(GLFW_PLATFORM_ERROR, "POSIX: Failed to create mutex");
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return false;
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}
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return mutex->posix.allocated = true;
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}
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void
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_glfwPlatformDestroyMutex(_GLFWmutex *mutex) {
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if (mutex->posix.allocated) pthread_mutex_destroy(&mutex->posix.handle);
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memset(mutex, 0, sizeof(_GLFWmutex));
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}
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void
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_glfwPlatformLockMutex(_GLFWmutex *mutex) {
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assert(mutex->posix.allocated == true);
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pthread_mutex_lock(&mutex->posix.handle);
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}
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void
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_glfwPlatformUnlockMutex(_GLFWmutex *mutex) {
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assert(mutex->posix.allocated == true);
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pthread_mutex_unlock(&mutex->posix.handle);
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}
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