File: signals.c

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gnat-gdb 6.4%2B2006-2
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/* Test GDB dealing with stuff like stepping into sigtramp.  */

#include <signal.h>
#include <unistd.h>

#ifdef __sh__
#define signal(a,b)	/* Signals not supported on this target - make them go away */
#define alarm(a)	/* Ditto for alarm() */
#endif

static int count = 0;

#ifdef PROTOTYPES
static void
handler (int sig)
#else
static void
handler (sig)
     int sig;
#endif
{
  signal (sig, handler);
  ++count;
}

static void
func1 ()
{
  ++count;
}

static void
func2 ()
{
  ++count;
}

int
main ()
{
#ifdef usestubs
  set_debug_traps();
  breakpoint();
#endif
#ifdef SIGALRM
  signal (SIGALRM, handler);
#endif
#ifdef SIGUSR1
  signal (SIGUSR1, handler);
#endif
  alarm (1);
  ++count; /* first */
  alarm (1);
  ++count; /* second */
  func1 ();
  alarm (1);
  func2 ();
  return count;
}