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-rw-r--r--contrib/netbsd-tests/rump/kernspace/lockme.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/rump/kernspace/lockme.c b/contrib/netbsd-tests/rump/kernspace/lockme.c
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+++ b/contrib/netbsd-tests/rump/kernspace/lockme.c
@@ -0,0 +1,92 @@
+/* $NetBSD: lockme.c,v 1.1 2011/01/06 13:12:52 pooka Exp $ */
+
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
+ * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#if !defined(lint)
+__RCSID("$NetBSD: lockme.c,v 1.1 2011/01/06 13:12:52 pooka Exp $");
+#endif /* !lint */
+
+#include <sys/param.h>
+#include <sys/kmem.h>
+#include <sys/mutex.h>
+#include <sys/rwlock.h>
+
+#include "kernspace.h"
+
+struct somemem {
+ char foo;
+ kmutex_t mutexetum;
+ char oof;
+};
+
+void
+rumptest_lockme(enum locktest what)
+{
+ struct somemem *some;
+ kmutex_t mtx;
+ krwlock_t rw;
+
+ rw_init(&rw);
+ mutex_init(&mtx, MUTEX_DEFAULT, IPL_NONE);
+
+ switch (what) {
+ case LOCKME_MTX:
+ mutex_enter(&mtx);
+ mutex_enter(&mtx);
+ break;
+ case LOCKME_RWDOUBLEX:
+ rw_enter(&rw, RW_WRITER);
+ rw_enter(&rw, RW_WRITER);
+ break;
+ case LOCKME_RWRX:
+ rw_enter(&rw, RW_READER);
+ rw_enter(&rw, RW_WRITER);
+ break;
+ case LOCKME_RWXR:
+ rw_enter(&rw, RW_WRITER);
+ rw_enter(&rw, RW_READER);
+ break;
+ case LOCKME_DOUBLEINIT:
+ mutex_init(&mtx, MUTEX_DEFAULT, IPL_NONE);
+ break;
+ case LOCKME_DOUBLEFREE:
+ mutex_destroy(&mtx);
+ mutex_destroy(&mtx);
+ break;
+ case LOCKME_DESTROYHELD:
+ mutex_enter(&mtx);
+ mutex_destroy(&mtx);
+ break;
+ case LOCKME_MEMFREE:
+ some = kmem_alloc(sizeof(*some), KM_SLEEP);
+ mutex_init(&some->mutexetum, MUTEX_DEFAULT, IPL_NONE);
+ kmem_free(some, sizeof(*some));
+ break;
+ }
+}
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