# HG changeset patch
# User Ingo Weinhold <ingo_weinhold@gmx.de>
# Date 1229990295 -3600
# Node ID a412de9482521f9def9e53a921f09f9a23e7b90c
# Parent  83008b5695ceed56b474fed5c2ac2b1dc6e51d7b
Make c-stack work on Haiku.

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2008-12-22  Ingo Weinhold  <ingo_weinhold@gmx.de>  (tiny change)
+            Eric Blake  <ebb9@byu.net>
+            Paolo Bonzini  <bonzini@gnu.org>
+            Bruno Haible  <bruno@clisp.org>
+
+	Make c-stack work on Haiku.
+	* lib/c-stack.c (SA_ONSTACK): Define fallback.
+	(c_stack_action): Use SA_ONSTACK flag.
+
 2008-12-22  Bruno Haible  <bruno@clisp.org>
 
 	* m4/locale-fr.m4 (gt_LOCALE_FR_UTF8): Treat Haiku like BeOS.
diff --git a/lib/c-stack.c b/lib/c-stack.c
--- a/lib/c-stack.c
+++ b/lib/c-stack.c
@@ -82,6 +82,9 @@
 # define SIGACTION_WORKS 1
 #else
 # define SIGACTION_WORKS 0
+# ifndef SA_ONSTACK
+#  define SA_ONSTACK 0
+# endif
 #endif
 
 extern char *program_name;
@@ -317,7 +320,7 @@
   act.sa_flags = SA_NODEFER | SA_ONSTACK | SA_RESETHAND | SA_SIGINFO;
   act.sa_sigaction = segv_handler;
 # else
-  act.sa_flags = SA_NODEFER | SA_RESETHAND;
+  act.sa_flags = SA_NODEFER | SA_ONSTACK | SA_RESETHAND;
   act.sa_handler = die;
 # endif