# HG changeset patch
# User Bruno Haible <bruno@clisp.org>
# Date 1293185024 -3600
# Node ID f2baaca789b220c5e51c6ff239320dd30dc0f7a2
# Parent  6fb5b50662b48ceebc0673eaff97d8c2080109dc
signal: Define NSIG.

* lib/signal.in.h (NSIG): Define to 32 on NonStop Kernel.
* tests/test-signal.c (nsig): New variable.
Reported by Joachim Schmitz <jojo@schmitz-digital.de>.

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2010-12-24  Bruno Haible  <bruno@clisp.org>
+
+	signal: Define NSIG.
+	* lib/signal.in.h (NSIG): Define to 32 on NonStop Kernel.
+	* tests/test-signal.c (nsig): New variable.
+	Reported by Joachim Schmitz <jojo@schmitz-digital.de>.
+
 2010-12-24  Bruno Haible  <bruno@clisp.org>
 
 	rename, renameat: Avoid test failures on OSF/1 5.1.
diff --git a/lib/signal.in.h b/lib/signal.in.h
--- a/lib/signal.in.h
+++ b/lib/signal.in.h
@@ -72,6 +72,14 @@
 #endif
 
 
+/* Maximum signal number + 1.  */
+#ifndef NSIG
+# if defined __TANDEM
+#  define NSIG 32
+# endif
+#endif
+
+
 #if @GNULIB_SIGPROCMASK@
 # if !@HAVE_POSIX_SIGNALBLOCKING@
 
diff --git a/tests/test-signal.c b/tests/test-signal.c
--- a/tests/test-signal.c
+++ b/tests/test-signal.c
@@ -35,6 +35,9 @@
 #endif
 } s;
 
+/* Check that NSIG is defined.  */
+int nsig = NSIG;
+
 int
 main (void)
 {