1 #include <u.h>
2 #include <libc.h>
3 #include <draw.h>
4 #include <thread.h>
5 #include <keyboard.h>
6 
7 void
8 closekeyboard(Keyboardctl *kc)
9 {
10 	Rune r;
11 
12 	if(kc == nil)
13 		return;
14 
15 /*	postnote(PNPROC, kc->pid, "kill"); */
16 
17 	do; while(nbrecv(kc->c, &r) > 0);
18 	chanfree(kc->c);
19 	free(kc);
20 }
21 
22 static
23 void
24 _ioproc(void *arg)
25 {
26 	Rune r;
27 	Keyboardctl *kc;
28 
29 	kc = arg;
30 	threadsetname("kbdproc");
31 	for(;;){
32 		if(_displayrdkbd(display, &r) < 0)
33 			threadexits("read error");
34 		send(kc->c, &r);
35 	}
36 }
37 
38 Keyboardctl*
39 initkeyboard(char *file)
40 {
41 	Keyboardctl *kc;
42 
43 	kc = mallocz(sizeof(Keyboardctl), 1);
44 	if(kc == nil)
45 		return nil;
46 	USED(file);
47 	kc->c = chancreate(sizeof(Rune), 20);
48 	chansetname(kc->c, "kbdc");
49 	proccreate(_ioproc, kc, 32*1024);
50 	return kc;
51 }