From 3ffa44622db2386727a8e11bb3aeb0385621f9fa Mon Sep 17 00:00:00 2001
From: kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 30 Aug 2011 00:51:46 +0000
Subject: * cont.c (fiber_entry): fix stack allocation failure on Debian  
 GNU/kFreeBSD.   Patch by Lucas Nussbaum <lucas at lucas-nussbaum dot net>.  
 [Bug #5241] [ruby-core:39147]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33118 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 cont.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'cont.c')

diff --git a/cont.c b/cont.c
index 1c17eaeed1..3e68d897ca 100644
--- a/cont.c
+++ b/cont.c
@@ -520,8 +520,9 @@ fiber_entry(void *arg)
 /*
  * FreeBSD require a first (i.e. addr) argument of mmap(2) is not NULL
  * if MAP_STACK is passed.
+ * http://www.FreeBSD.org/cgi/query-pr.cgi?pr=158755
  */
-#if defined(MAP_STACK) && !defined(__FreeBSD__)
+#if defined(MAP_STACK) && !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__)
 #define FIBER_STACK_FLAGS (MAP_PRIVATE | MAP_ANON | MAP_STACK)
 #else
 #define FIBER_STACK_FLAGS (MAP_PRIVATE | MAP_ANON)
-- 
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