Module Name: src
Committed By: pooka
Date: Tue May 7 16:40:31 UTC 2013
Modified Files:
src/lib/librumpuser: rumpuser_pth_dummy.c
Log Message:
need the rw_downgrade/tryupgrade methods too
To generate a diff of this commit:
cvs rdiff -u -r1.14 -r1.15 src/lib/librumpuser/rumpuser_pth_dummy.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/lib/librumpuser/rumpuser_pth_dummy.c
diff -u src/lib/librumpuser/rumpuser_pth_dummy.c:1.14 src/lib/librumpuser/rumpuser_pth_dummy.c:1.15
--- src/lib/librumpuser/rumpuser_pth_dummy.c:1.14 Tue May 7 15:37:05 2013
+++ src/lib/librumpuser/rumpuser_pth_dummy.c Tue May 7 16:40:31 2013
@@ -1,4 +1,4 @@
-/* $NetBSD: rumpuser_pth_dummy.c,v 1.14 2013/05/07 15:37:05 pooka Exp $ */
+/* $NetBSD: rumpuser_pth_dummy.c,v 1.15 2013/05/07 16:40:31 pooka Exp $ */
/*
* Copyright (c) 2009 Antti Kantee. All Rights Reserved.
@@ -29,7 +29,7 @@
#include <sys/cdefs.h>
#if !defined(lint)
-__RCSID("$NetBSD: rumpuser_pth_dummy.c,v 1.14 2013/05/07 15:37:05 pooka Exp $");
+__RCSID("$NetBSD: rumpuser_pth_dummy.c,v 1.15 2013/05/07 16:40:31 pooka Exp $");
#endif /* !lint */
#include <sys/time.h>
@@ -209,6 +209,26 @@ rumpuser_rw_held(struct rumpuser_rw *rw,
}
}
+void
+rumpuser_rw_downgrade(struct rumpuser_rw *rw)
+{
+
+ assert(rw->v == 1);
+ rw->v = -1;
+}
+
+int
+rumpuser_rw_tryupgrade(struct rumpuser_rw *rw)
+{
+
+ if (rw->v == -1) {
+ rw->v = 1;
+ return 0;
+ }
+
+ return EBUSY;
+}
+
/*ARGSUSED*/
void
rumpuser_cv_init(struct rumpuser_cv **cv)
