linux_joystick.c | Explore in Territory

//========================================================================
// GLFW 3.5 Linux - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2017 Camilla Löwy <[email protected]>
//
// 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"

#if defined(GLFW_BUILD_LINUX_JOYSTICK)

#include <sys/types.h>
#include <sys/stat.h>
#include <sys/inotify.h>
#include <fcntl.h>
#include <errno.h>
#include <dirent.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#ifndef SYN_DROPPED // < v2.6.39 kernel headers
// Workaround for CentOS-6, which is supported till 2020-11-30, but still on v2.6.32
#define SYN_DROPPED …
#endif

// Apply an EV_KEY event to the specified joystick
//
static void handleKeyEvent(_GLFWjoystick* js, int code, int value)
{ … }

// Apply an EV_ABS event to the specified joystick
//
static void handleAbsEvent(_GLFWjoystick* js, int code, int value)
{ … }

// Poll state of absolute axes
//
static void pollAbsState(_GLFWjoystick* js)
{ … }

#define isBitSet …

// Attempt to open the specified joystick device
//
static GLFWbool openJoystickDevice(const char* path)
{ … }

#undef isBitSet

// Frees all resources associated with the specified joystick
//
static void closeJoystick(_GLFWjoystick* js)
{ … }

// Lexically compare joysticks by name; used by qsort
//
static int compareJoysticks(const void* fp, const void* sp)
{ … }


//////////////////////////////////////////////////////////////////////////
//////                       GLFW internal API                      //////
//////////////////////////////////////////////////////////////////////////

void _glfwDetectJoystickConnectionLinux(void)
{ … }


//////////////////////////////////////////////////////////////////////////
//////                       GLFW platform API                      //////
//////////////////////////////////////////////////////////////////////////

GLFWbool _glfwInitJoysticksLinux(void)
{ … }

void _glfwTerminateJoysticksLinux(void)
{ … }

GLFWbool _glfwPollJoystickLinux(_GLFWjoystick* js, int mode)
{ … }

const char* _glfwGetMappingNameLinux(void)
{ … }

void _glfwUpdateGamepadGUIDLinux(char* guid)
{ … }

#endif // GLFW_BUILD_LINUX_JOYSTICK
chromium/third_party/dawn/third_party/glfw/src/linux_joystick.c
