ebiten/internal/glfw/posix_thread_unix.c

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// SPDX-License-Identifier: Apache-2.0
// SPDX-FileCopyrightText: 2002-2006 Marcus Geelnard
// SPDX-FileCopyrightText: 2006-2017 Camilla Löwy <elmindreda@glfw.org>
// SPDX-FileCopyrightText: 2023 The Ebitengine Authors
//go:build freebsd || linux || netbsd || openbsd
#include "internal_unix.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);
}