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

1 files changed, 75 insertions, 0 deletions

diff --git a/freebsd/sys/lock_profile.h b/freebsd/sys/lock_profile.h
new file mode 100644
index 00000000..4b438c34
--- /dev/null
+++ b/freebsd/sys/lock_profile.h
@@ -0,0 +1,75 @@
+/*-
+ * Copyright (c) 2006 Kip Macy kmacy@FreeBSD.org
+ * Copyright (c) 2006 Kris Kennaway kris@FreeBSD.org
+ * Copyright (c) 2006 Dag-Erling Smorgrav des@des.no
+ *
+ * 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 AUTHORS ``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 SHAL THE AUTHORS 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_LOCK_PROFILE_HH_
+#define _SYS_LOCK_PROFILE_HH_
+
+struct lock_profile_object;
+LIST_HEAD(lpohead, lock_profile_object);
+
+#ifdef _KERNEL
+#ifdef LOCK_PROFILING
+#include <rtems/freebsd/machine/cpufunc.h>
+#include <rtems/freebsd/sys/lock.h>
+
+#ifndef USE_CPU_NANOSECONDS
+u_int64_t nanoseconds(void);
+#endif
+
+extern volatile int lock_prof_enable;
+
+void lock_profile_obtain_lock_success(struct lock_object *lo, int contested,
+    uint64_t waittime, const char *file, int line);
+void lock_profile_release_lock(struct lock_object *lo);
+void lock_profile_thread_exit(struct thread *td);
+
+
+static inline void
+lock_profile_obtain_lock_failed(struct lock_object *lo, int *contested,
+    uint64_t *waittime)
+{
+	if (!lock_prof_enable || (lo->lo_flags & LO_NOPROFILE) || *contested)
+		return;
+	*waittime = nanoseconds();
+	*contested = 1;
+}
+
+#else /* !LOCK_PROFILING */
+
+#define	lock_profile_release_lock(lo)					(void)0
+#define lock_profile_obtain_lock_failed(lo, contested, waittime)	(void)0
+#define lock_profile_obtain_lock_success(lo, contested, waittime, file, line)	(void)0
+#define	lock_profile_thread_exit(td)					(void)0
+
+#endif  /* !LOCK_PROFILING */
+
+#endif /* _KERNEL */
+
+#endif /* _SYS_LOCK_PROFILE_HH_ */