1 files changed, 25 insertions, 3 deletions
diff --git a/usrbin/main.c b/usrbin/main.c
index 2afcf0e..8c8d2dc 100644
--- a/usrbin/main.c
+++ b/usrbin/main.c
@@ -1,15 +1,37 @@
+#include <signal.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <time.h>
 #include <unistd.h>
 
-void main(void) {
-  int x = 0;
+void sighandler(int sig) {
+  printf("Caught SIGALRM!\n");
+}
 
-  printf("We did it ma!\n");
+void pid1(void) {
+  signal(SIGALRM, &sighandler);
+  alarm(2);
+  pause();
+  printf("Alarm expired!\n");
+  pause();
+
+  while(1)
+    printf("It's didn't work!\n");
+}
+
+void pid2(void) {
+  int x = 0;
 
   while(1) {
     sleep(1);
     printf("0x%04x:0x%08x: 0x%08x, 0x%08x\n", getpid(), (uint32_t) getpdir(), time(), x++);
   }
 }
+
+void main(void) {
+  printf("We did it ma!\n");
+
+  if(getpid() == 1)
+    pid1();
+  pid2();
+}