src/keypress_thread.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

#include "consts.h"
#include "config.h"

#include "common.h"

static pid_t light_pid;

void on_press(void) {
	gettimeofday(last_press, NULL);

	kill(light_pid, SIGCONT);
}

void keypress_thread(pid_t _light_pid) {
	light_pid = _light_pid;

	FILE* fp = fopen(KEYBOARD_FILE, "r");
	fseek(fp, 0, SEEK_END);
	
	void* discard = malloc(KEYPRESS_SIZE);

	while (1) {
		fseek(fp, 0, SEEK_END);
		fread(discard, 1, KEYPRESS_SIZE, fp);

		on_press();

		usleep(DEBOUNCE);
	}

	// XXX handle SIGINT or whatever

	__builtin_unreachable();
}