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Improved robustness of Linux joystick init.

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This commit is contained in:
Camilla Berglund 2015-01-06 19:22:19 +01:00
parent 0e3cb945e8
commit 6c7509c942
1 changed files with 31 additions and 20 deletions
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27
src/linux_joystick.c
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@ -192,12 +192,13 @@ int _glfwInitJoysticks(void)
#if defined(__linux__)
const char* dirname = "/dev/input";
DIR* dir;
struct dirent* entry;
_glfw.linux_js.inotify = inotify_init1(IN_NONBLOCK | IN_CLOEXEC);
if (_glfw.linux_js.inotify == -1)
{
_glfwInputError(GLFW_PLATFORM_ERROR, "Linux: Failed to initialize inotify");
_glfwInputError(GLFW_PLATFORM_ERROR,
"Linux: Failed to initialize inotify: %s",
strerror(errno));
return GL_FALSE;
}
@ -210,8 +211,10 @@ int _glfwInitJoysticks(void)
if (_glfw.linux_js.watch == -1)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Linux: Failed to add watch to %s", dirname);
return GL_FALSE;
"Linux: Failed to watch for joystick connections in %s: %s",
dirname,
strerror(errno));
// Continue without device connection notifications
}
if (regcomp(&_glfw.linux_js.regex, "^js[0-9]\\+$", 0) != 0)
@ -221,11 +224,9 @@ int _glfwInitJoysticks(void)
}
dir = opendir(dirname);
if (!dir)
if (dir)
{
_glfwInputError(GLFW_PLATFORM_ERROR, "Linux: Failed to open %s", dirname);
return GL_FALSE;
}
struct dirent* entry;
while ((entry = readdir(dir)))
{
@ -240,6 +241,16 @@ int _glfwInitJoysticks(void)
}
closedir(dir);
}
else
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Linux: Failed to open joystick device directory %s: %s",
dirname,
strerror(errno));
// Continue with no joysticks detected
}
#endif // __linux__
return GL_TRUE;