From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Thu, 24 May 2012 14:19:46 +0000 (-0400)
Subject: align.h: support cygwin page size
X-Git-Url: http://git.lttng.org/?p=lttng-ust.git;a=commitdiff_plain;h=b048179fd26bff2006272e8c07971c17b820b64b

align.h: support cygwin page size

commit 8e3484cf85747d476302a2049dfa9741cc128b32 upstream.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Christian Babeux <christian.babeux@efficios.com>
---

diff --git a/include/lttng/align.h b/include/lttng/align.h
index 913327a8..4b3c1709 100644
--- a/include/lttng/align.h
+++ b/include/lttng/align.h
@@ -19,8 +19,12 @@
 
 #include <lttng/bug.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 PAGE_MASK		(~(PAGE_SIZE - 1))
 #define __ALIGN_MASK(v, mask)	(((v) + (mask)) & ~(mask))
 #define ALIGN(v, align)		__ALIGN_MASK(v, (__typeof__(v)) (align) - 1)