[PATCH] Add FLOCK(2) definitions and declaration

[Sebastian Huber]

http://www.freebsd.org/cgi/man.cgi?query=flock

newlib/ChangeLog
2014-01-17  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* libc/include/sys/_default_fcntl.h (LOCK_SH): Define.
	(LOCK_EX): Likewise.
	(LOCK_NB): Likewise.
	(LOCK_UN): Likewise.
	(flock): Declare.
---
 newlib/libc/include/sys/_default_fcntl.h |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/newlib/libc/include/sys/_default_fcntl.h b/newlib/libc/include/sys/_default_fcntl.h
index 40d8fae..4feaf5e 100644
--- a/newlib/libc/include/sys/_default_fcntl.h
+++ b/newlib/libc/include/sys/_default_fcntl.h
@@ -176,6 +176,13 @@ struct eflock {
 };
 #endif	/* !_POSIX_SOURCE */
 
+#if __BSD_VISIBLE
+/* lock operations for flock(2) */
+#define	LOCK_SH		0x01		/* shared file lock */
+#define	LOCK_EX		0x02		/* exclusive file lock */
+#define	LOCK_NB		0x04		/* don't block when locking */
+#define	LOCK_UN		0x08		/* unlock file */
+#endif
 
 #include <sys/types.h>
 #include <sys/stat.h>		/* sigh. for the mode bits for open/creat */
@@ -201,6 +208,10 @@ extern int _open64 _PARAMS ((const char *, int, ...));
 #endif
 #endif
 
+#if __BSD_VISIBLE
+extern int flock _PARAMS ((int, int));
+#endif
+
 #ifdef __cplusplus
 }
 #endif
-- 
1.7.7