initial

.gitignore

@@ -0,0 +1,2 @@
+*.log
+activity

activity.c

@@ -0,0 +1,51 @@
+//#!/usr/local/bin/tcc -run
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <time.h>
+#include <signal.h>
+#include <string.h>
+#include <stdbool.h>
+
+const int BUFFSIZE = 128;
+bool shouldrun = true;
+
+void sighand(int sig) {
+	shouldrun = false;
+}
+
+int main(int argc, char** argv) {
+	if(argc != 2) {
+		printf("Usage: %s logfile\n", argv[0]);
+		return 1;
+	}
+
+	int log = 1;
+	if(strcmp(argv[1], "-"))
+		log = open(argv[1], O_WRONLY | O_CREAT | O_APPEND, S_IRUSR | S_IWUSR);
+
+	signal(SIGINT, sighand);
+
+	int dev = open("/dev/input/mice", O_RDONLY);
+
+	time_t last = 0;
+
+	while(shouldrun) {
+		char buff[BUFFSIZE];
+		int r = read(dev, buff, BUFFSIZE);
+		time_t curr = time(NULL);
+		if(curr != last) {
+			//dprintf(log, "%ld\n", curr);
+			write(log, &curr, sizeof(curr));
+			last = curr;
+		}
+	}
+
+	close(dev);
+	if(log != 1)
+		close(log);
+	return 0;
+}