[PATCH libxshmfence] futex: unbreak build on FreeBSD 11.0+

[Jan Beich]

From: Jung-uk Kim <jkim at FreeBSD.org>
Date: Tue, 15 Apr 2014 17:08:46 +0000

In file included from src/xshmfence_alloc.c:27:
In file included from src/xshmfenceint.h:32:
src/xshmfence_futex.h:40:39: error: use of undeclared identifier 'INT_MAX'
        return sys_futex(addr, UMTX_OP_WAKE, INT_MAX);
                                             ^
1 error generated.

Signed-off-by: Jan Beich <jbeich at FreeBSD.org>
---
 src/xshmfence_futex.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/xshmfence_futex.h b/src/xshmfence_futex.h
index ea96cf4..c1b743d 100644
--- a/src/xshmfence_futex.h
+++ b/src/xshmfence_futex.h
@@ -29,6 +29,7 @@
 #ifdef HAVE_UMTX
 
 #include <sys/types.h>
+#include <sys/limits.h>
 #include <sys/umtx.h>
 
 static inline int sys_futex(void *addr, int op, int32_t val)