Module Name: src
Committed By: pooka
Date: Fri Nov 2 16:55:02 UTC 2012
Modified Files:
src/lib/librumpuser: rumpuser_pth_dummy.c
Log Message:
implement mutex_owner()
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 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:1.4 src/lib/librumpuser/rumpuser_pth_dummy.c:1.5
--- src/lib/librumpuser/rumpuser_pth_dummy.c:1.4 Fri Nov 2 13:31:26 2012
+++ src/lib/librumpuser/rumpuser_pth_dummy.c Fri Nov 2 16:55:02 2012
@@ -1,4 +1,4 @@
-/* $NetBSD: rumpuser_pth_dummy.c,v 1.4 2012/11/02 13:31:26 pooka Exp $ */
+/* $NetBSD: rumpuser_pth_dummy.c,v 1.5 2012/11/02 16:55:02 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 1.4 2012/11/02 13:31:26 pooka Exp $");
+__RCSID("$NetBSD: rumpuser_pth_dummy.c,v 1.5 2012/11/02 16:55:02 pooka Exp $");
#endif /* !lint */
#include <sys/time.h>
@@ -45,10 +45,13 @@ __RCSID("$NetBSD: rumpuser_pth_dummy.c,v
#include "rumpuser_int.h"
+static struct lwp *curlwp;
+
struct rumpuser_cv {};
struct rumpuser_mtx {
int v;
+ struct lwp *o;
};
struct rumpuser_rw {
@@ -116,6 +119,7 @@ rumpuser_mutex_enter(struct rumpuser_mtx
{
mtx->v++;
+ mtx->o = curlwp;
}
int
@@ -130,7 +134,9 @@ void
rumpuser_mutex_exit(struct rumpuser_mtx *mtx)
{
- mtx->v--;
+ assert(mtx->v > 0);
+ if (--mtx->v == 0)
+ mtx->o = NULL;
}
void
@@ -140,6 +146,13 @@ rumpuser_mutex_destroy(struct rumpuser_m
free(mtx);
}
+struct lwp *
+rumpuser_mutex_owner(struct rumpuser_mtx *mtx)
+{
+
+ return mtx->o;
+}
+
void
rumpuser_rw_init(struct rumpuser_rw **rw)
{
@@ -271,7 +284,6 @@ rumpuser_cv_has_waiters(struct rumpuser_
* curlwp
*/
-static struct lwp *curlwp;
void
rumpuser_set_curlwp(struct lwp *l)
{
