From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Tue, 29 May 2012 22:54:21 +0000 (-0400)
Subject: align header: define PAGE_SIZE
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=c4f467dac9d45cd7c0fe59654111612eb61332d9;p=deliverable%2Fbabeltrace.git

align header: define PAGE_SIZE

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/include/babeltrace/align.h b/include/babeltrace/align.h
index d5197cb42..c5589c43a 100644
--- a/include/babeltrace/align.h
+++ b/include/babeltrace/align.h
@@ -18,6 +18,12 @@
  */
 
 #include <babeltrace/compiler.h>
+#include <unistd.h>
+#include <limits.h>
+
+#ifndef PAGE_SIZE		/* Cygwin limits.h defines its own PAGE_SIZE */
+#define PAGE_SIZE		sysconf(_SC_PAGE_SIZE)
+#endif
 
 #define ALIGN(x, a)		__ALIGN_MASK(x, (typeof(x))(a) - 1)
 #define __ALIGN_MASK(x, mask)	(((x) + (mask)) & ~(mask))