// USB device main loop
static void* devmain(usbdevice* kb){
// dmutex should still be locked when this is called
int kbfifo = kb->infifo - 1;
readlines_ctx linectx;
readlines_ctx_init(&linectx);
while(1){
pthread_mutex_unlock(dmutex(kb));
// Read from FIFO
const char* line;
int lines = readlines(kbfifo, linectx, &line);
pthread_mutex_lock(dmutex(kb));
// End thread when the handle is removed
if(!IS_CONNECTED(kb))
break;
if(lines){
if(readcmd(kb, line)){
// USB transfer failed; destroy device
closeusb(kb);
break;
}
}
}
pthread_mutex_unlock(dmutex(kb));
readlines_ctx_free(linectx);
return 0;
}
// USB device main loop
static void* devmain(usbdevice* kb){
readlines_ctx linectx;
readlines_ctx_init(&linectx);
while(1){
pthread_mutex_lock(dmutex(kb));
// End thread when the handle is removed
if(!IS_CONNECTED(kb))
break;
// Read from FIFO
const char* line;
euid_guard_start;
int lines = readlines(kb->infifo - 1, linectx, &line);
euid_guard_stop;
if(lines){
if(readcmd(kb, line)){
// USB transfer failed; destroy device
closeusb(kb);
break;
}
}
// Update indicator LEDs for this keyboard. These are polled rather than processed during events because they don't update
// immediately and may be changed externally by the OS.
// (also, they can lock the keyboard if they're sent at the wrong time, at least on some firmwares)
kb->vtable->updateindicators(kb, 0);
// Wait a little bit and then read again
pthread_mutex_unlock(dmutex(kb));
DELAY_SHORT(kb);
}
pthread_mutex_unlock(dmutex(kb));
readlines_ctx_free(linectx);
return 0;
}
