From eb92ea4f55998ac563bb1c4ab39532d3039ad600 Mon Sep 17 00:00:00 2001
From: John van Groningen
Date: Fri, 17 Aug 2007 11:03:56 +0000
Subject: add volatile to clean_exception_handler argument type to prevent
 elimination of assignments by the optimizer of the c compiler

---
 scon.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scon.c b/scon.c
index b87cb2d..8250e49 100644
--- a/scon.c
+++ b/scon.c
@@ -159,7 +159,7 @@ void *allocate_memory_with_guard_page_at_end (int size)
 }
 
 # ifdef USE_CR2
-static void clean_exception_handler (int s,struct sigcontext sigcontext)
+static void clean_exception_handler (int s,volatile struct sigcontext sigcontext)
 {
 	if (
 		(((size_t)sigcontext.cr2 ^ (size_t)below_stack_page) & -4096)==0 ||
@@ -185,7 +185,7 @@ static void clean_exception_handler (int s,struct sigcontext sigcontext)
 # else
 static void clean_exception_handler_info (int s,struct siginfo *siginfo_p,void *p);
 
-static void clean_exception_handler_context (int s,struct sigcontext sigcontext)
+static void clean_exception_handler_context (int s,volatile struct sigcontext sigcontext)
 {
 	struct sigaction sa;
 
-- 
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