glibc/signal/tst-sigset.c

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/* Test sig*set functions. */
#include <signal.h>
#include <stdio.h>
#define TEST_FUNCTION do_test ()
static int
do_test (void)
{
int result = 0;
int sig = -1;
#define TRY(call) \
if (call) \
{ \
printf ("%s (sig = %d): %m\n", #call, sig); \
result = 1; \
} \
else
sigset_t set;
TRY (sigemptyset (&set) != 0);
#ifdef SIGRTMAX
int max_sig = SIGRTMAX;
#else
int max_sig = NSIG - 1;
#endif
for (sig = 1; sig <= max_sig; ++sig)
{
TRY (sigismember (&set, sig) != 0);
TRY (sigaddset (&set, sig) != 0);
TRY (sigismember (&set, sig) == 0);
TRY (sigdelset (&set, sig) != 0);
TRY (sigismember (&set, sig) != 0);
}
return result;
}
#include "../test-skeleton.c"