gdb/testsuite/gdb.base/signals.c

   1 /* Test GDB dealing with stuff like stepping into sigtramp.  */
   2
   3 #include <signal.h>
   4
   5 #ifdef __sh__
   6 #define signal(a,b)     /* Signals not supported on this target - make them go away */
   7 #define alarm(a)        /* Ditto for alarm() */
   8 #endif
   9
  10 static int count = 0;
  11
  12 static void
  13 handler (sig)
  14      int sig;
  15 {
  16   signal (sig, handler);
  17   ++count;
  18 }
  19
  20 static void
  21 func1 ()
  22 {
  23   ++count;
  24 }
  25
  26 static void
  27 func2 ()
  28 {
  29   ++count;
  30 }
  31
  32 int
  33 main ()
  34 {
  35 #ifdef usestubs
  36   set_debug_traps();
  37   breakpoint();
  38 #endif
  39 #ifdef SIGALRM
  40   signal (SIGALRM, handler);
  41 #endif
  42 #ifdef SIGUSR1
  43   signal (SIGUSR1, handler);
  44 #endif
  45   alarm (1);
  46   ++count; /* first */
  47   alarm (1);
  48   ++count; /* second */
  49   func1 ();
  50   alarm (1);
  51   func2 ();
  52   return count;
  53 }