1 files changed, 43 insertions, 0 deletions
diff --git a/signal/tst-sigset.c b/signal/tst-sigset.c
new file mode 100644
index 0000000000..d47adcc0d4
--- /dev/null
+++ b/signal/tst-sigset.c
@@ -0,0 +1,43 @@
+/* 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"