1 /* This program is intended to be started outside of gdb, and then
2    attached to by gdb.  Thus, it simply spins in a loop.  The loop
3    is exited when & if the variable 'should_exit' is non-zero.  (It
4    is initialized to zero in this program, so the loop will never
5    exit unless/until gdb sets the variable to non-zero.)
6    */
7 #include <stdio.h>
8 #include <stdlib.h>
9 #include <unistd.h>
10 
11 int  should_exit = 0;
12 
13 int main ()
14 {
15   int  local_i = 0;
16 
17   sleep( 10 ); /* System call causes register fetch to fail */
18                /* This is a known HPUX "feature"            */
19   while (! should_exit)
20     {
21       local_i++;
22     }
23   return (0);
24 }
25