gdb/testsuite/gdb.base/attach.c

   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 <unistd.h>
   9
  10 int  should_exit = 0;
  11
  12 int main ()
  13 {
  14   int  local_i = 0;
  15
  16   alarm (60);
  17
  18   while (! should_exit)
  19     {
  20       local_i++;
  21     }
  22   return 0; /* postloop */
  23 }