gdb/testsuite/gdb.base/signals.c

   1 /* Test GDB dealing with stuff like stepping into sigtramp.  */
   2
   3 #include <signal.h>
   4 #include <unistd.h>
   5
   6
   7 static int count = 0;
   8
   9 #ifdef PROTOTYPES
  10 static void
  11 handler (int sig)
  12 #else
  13 static void
  14 handler (sig)
  15      int sig;
  16 #endif
  17 {
  18   signal (sig, handler);
  19   ++count;
  20 }
  21
  22 static void
  23 func1 ()
  24 {
  25   ++count;
  26 }
  27
  28 static void
  29 func2 ()
  30 {
  31   ++count;
  32 }
  33
  34 int
  35 main ()
  36 {
  37 #ifdef SIGALRM
  38   signal (SIGALRM, handler);
  39 #endif
  40 #ifdef SIGUSR1
  41   signal (SIGUSR1, handler);
  42 #endif
  43   alarm (1);
  44   ++count; /* first */
  45   alarm (1);
  46   ++count; /* second */
  47   func1 ();
  48   alarm (1);
  49   func2 ();
  50   return count;
  51 }