Move rtems/freebsd to freebsd and contrib to freebsd/contrib

1 files changed, 121 insertions, 0 deletions

diff --git a/freebsd/sys/rmlock.h b/freebsd/sys/rmlock.h
new file mode 100644
index 00000000..efb244b1
--- /dev/null
+++ b/freebsd/sys/rmlock.h
@@ -0,0 +1,121 @@
+/*-
+ * Copyright (c) 2007 Stephan Uphoff <ups@FreeBSD.org>
+ * 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.
+ * 3. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _SYS_RMLOCK_HH_
+#define _SYS_RMLOCK_HH_
+
+#include <rtems/freebsd/sys/mutex.h>
+#include <rtems/freebsd/sys/_lock.h>
+#include <rtems/freebsd/sys/_rmlock.h>
+
+#ifdef _KERNEL
+
+/*
+ * Flags passed to rm_init(9).
+ */
+#define	RM_NOWITNESS	0x00000001
+#define	RM_RECURSE	0x00000002
+
+void	rm_init(struct rmlock *rm, const char *name);
+void	rm_init_flags(struct rmlock *rm, const char *name, int opts);
+void	rm_destroy(struct rmlock *rm);
+int	rm_wowned(struct rmlock *rm);
+void	rm_sysinit(void *arg);
+void	rm_sysinit_flags(void *arg);
+
+void	_rm_wlock_debug(struct rmlock *rm, const char *file, int line);
+void	_rm_wunlock_debug(struct rmlock *rm, const char *file, int line);
+void	_rm_rlock_debug(struct rmlock *rm, struct rm_priotracker *tracker,
+	    const char *file, int line);
+void	_rm_runlock_debug(struct rmlock *rm,  struct rm_priotracker *tracker,
+	    const char *file, int line);
+
+void	_rm_wlock(struct rmlock *rm);
+void	_rm_wunlock(struct rmlock *rm);
+void	_rm_rlock(struct rmlock *rm, struct rm_priotracker *tracker);
+void	_rm_runlock(struct rmlock *rm,  struct rm_priotracker *tracker);
+
+/*
+ * Public interface for lock operations.
+ */
+#ifndef LOCK_DEBUG
+#error LOCK_DEBUG not defined, include <sys/lock.h> before <sys/rmlock.h>
+#endif
+
+#if LOCK_DEBUG > 0
+#define	rm_wlock(rm)	_rm_wlock_debug((rm), LOCK_FILE, LOCK_LINE)
+#define	rm_wunlock(rm)	_rm_wunlock_debug((rm), LOCK_FILE, LOCK_LINE)
+#define	rm_rlock(rm,tracker)  \
+    _rm_rlock_debug((rm),(tracker), LOCK_FILE, LOCK_LINE )
+#define	rm_runlock(rm,tracker)	\
+    _rm_runlock_debug((rm), (tracker), LOCK_FILE, LOCK_LINE )
+#else
+#define	rm_wlock(rm)		_rm_wlock((rm))
+#define	rm_wunlock(rm)		_rm_wunlock((rm))
+#define	rm_rlock(rm,tracker)   	_rm_rlock((rm),(tracker))
+#define	rm_runlock(rm,tracker)	_rm_runlock((rm), (tracker))
+#endif
+
+struct rm_args {
+	struct rmlock	*ra_rm;
+	const char 	*ra_desc;
+};
+
+struct rm_args_flags {
+	struct rmlock	*ra_rm;
+	const char 	*ra_desc;
+	int		ra_opts;
+};
+
+#define	RM_SYSINIT(name, rm, desc)       				\
+	static struct rm_args name##_args = {				\
+		(rm),							\
+		(desc),							\
+	};								\
+	SYSINIT(name##_rm_sysinit, SI_SUB_LOCK, SI_ORDER_MIDDLE,	\
+	    rm_sysinit, &name##_args);					\
+	SYSUNINIT(name##_rm_sysuninit, SI_SUB_LOCK, SI_ORDER_MIDDLE,	\
+	    rm_destroy, (rm))
+
+
+#define	RM_SYSINIT_FLAGS(name, rm, desc, opts)       			\
+	static struct rm_args name##_args = {				\
+		(rm),							\
+		(desc),							\
+                (opts),							\
+	};								\
+	SYSINIT(name##_rm_sysinit, SI_SUB_LOCK, SI_ORDER_MIDDLE,	\
+	    rm_sysinit_flags, &name##_args);				\
+	SYSUNINIT(name##_rm_sysuninit, SI_SUB_LOCK, SI_ORDER_MIDDLE,	\
+	    rm_destroy, (rm))
+
+#endif /* _KERNEL */
+#endif /* !_SYS_RMLOCK_HH_ */