signal/tst-sigset.c

   1 /* Test sig*set functions.  */
   2
   3 #include <signal.h>
   4 #include <stdio.h>
   5
   6 #define TEST_FUNCTION do_test ()
   7 static int
   8 do_test (void)
   9 {
  10   int result = 0;
  11   int sig = -1;
  12
  13 #define TRY(call)                                                             \
  14   if (call)                                                                   \
  15     {                                                                         \
  16       printf ("%s (sig = %d): %m\n", #call, sig);                             \
  17       result = 1;                                                             \
  18     }                                                                         \
  19   else
  20
  21
  22   sigset_t set;
  23   TRY (sigemptyset (&set) != 0);
  24
  25 #ifdef SIGRTMAX
  26   int max_sig = SIGRTMAX;
  27 #else
  28   int max_sig = NSIG - 1;
  29 #endif
  30
  31   for (sig = 1; sig <= max_sig; ++sig)
  32     {
  33       TRY (sigismember (&set, sig) != 0);
  34       TRY (sigaddset (&set, sig) != 0);
  35       TRY (sigismember (&set, sig) == 0);
  36       TRY (sigdelset (&set, sig) != 0);
  37       TRY (sigismember (&set, sig) != 0);
  38     }
  39
  40   return result;
  41 }
  42
  43 #include "../test-skeleton.c"