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Auto remove unplugged input devices

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This commit is contained in:
Iwan Timmer
2015-05-12 15:10:28 +02:00
parent 487f2d9f6f
commit 685d7731b7
1 changed files with 28 additions and 1 deletions
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29
src/input.c
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@@ -129,6 +129,31 @@ void input_create(char* device, char* mapFile) {
input_init_parms(&devices[dev], &(devices[dev].dpadyParms), devices[dev].map.abs_dpad_y);
}
static void input_remove(int devindex) {
numDevices--;
numFds--;
if (devices[devindex].controllerId >= 0)
assignedControllerIds &= ~(1 << devices[devindex].controllerId);
int fdindex = devices[devindex].fdindex;
if (fdindex != numFds && numFds > 0) {
memcpy(&fds[fdindex], &fds[numFds], sizeof(struct pollfd));
if (numFds == udev_fdindex)
udev_fdindex = numFds;
else {
for (int i=0;i<numDevices;i++) {
if (devices[i].fdindex == numFds)
devices[i].fdindex = fdindex;
}
}
}
if (devindex != numDevices && numDevices > 0)
memcpy(&devices[devindex], &devices[numDevices], sizeof(struct input_device));
fprintf(stderr, "Removed input device\n");
}
void input_init(char* mapfile) {
udev = udev_new();
if (!udev) {
@@ -434,7 +459,9 @@ static void input_poll(bool (*handler) (struct input_event*, struct input_device
return;
}
}
if (rc != -EAGAIN && rc < 0) {
if (rc == -ENODEV) {
input_remove(i);
} else if (rc != -EAGAIN && rc < 0) {
fprintf(stderr, "Error: %s\n", strerror(-rc));
exit(EXIT_FAILURE);
}