Move files to match FreeBSD layout

1 files changed, 87 insertions, 0 deletions

diff --git a/freebsd/sys/sys/condvar.h b/freebsd/sys/sys/condvar.h
new file mode 100644
index 00000000..54cfe9eb
--- /dev/null
+++ b/freebsd/sys/sys/condvar.h
@@ -0,0 +1,87 @@
+/*-
+ * Copyright (c) 2000 Jake Burkholder <jake@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.
+ *
+ * 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_CONDVAR_HH_
+#define	_SYS_CONDVAR_HH_
+
+#ifndef	LOCORE
+#include <freebsd/sys/queue.h>
+
+struct lock_object;
+struct thread;
+
+TAILQ_HEAD(cv_waitq, thread);
+
+/*
+ * Condition variable.  The waiters count is protected by the mutex that
+ * protects the condition; that is, the mutex that is passed to cv_wait*()
+ * and is held across calls to cv_signal() and cv_broadcast().  It is an
+ * optimization to avoid looking up the sleep queue if there are no waiters.
+ */
+struct cv {
+#ifdef __rtems__
+	rtems_chain_node cv_node;
+	pthread_cond_t cv_id;
+#endif /* __rtems__ */
+	const char	*cv_description;
+#ifndef __rtems__
+	int		cv_waiters;
+#endif /* __rtems__ */
+};
+
+#ifdef _KERNEL
+void	cv_init(struct cv *cvp, const char *desc);
+void	cv_destroy(struct cv *cvp);
+
+void	_cv_wait(struct cv *cvp, struct lock_object *lock);
+void	_cv_wait_unlock(struct cv *cvp, struct lock_object *lock);
+int	_cv_wait_sig(struct cv *cvp, struct lock_object *lock);
+int	_cv_timedwait(struct cv *cvp, struct lock_object *lock, int timo);
+int	_cv_timedwait_sig(struct cv *cvp, struct lock_object *lock, int timo);
+
+void	cv_signal(struct cv *cvp);
+void	cv_broadcastpri(struct cv *cvp, int pri);
+
+#define	cv_wait(cvp, lock)						\
+	_cv_wait((cvp), &(lock)->lock_object)
+#define	cv_wait_unlock(cvp, lock)					\
+	_cv_wait_unlock((cvp), &(lock)->lock_object)
+#define	cv_wait_sig(cvp, lock)						\
+	_cv_wait_sig((cvp), &(lock)->lock_object)
+#define	cv_timedwait(cvp, lock, timo)					\
+	_cv_timedwait((cvp), &(lock)->lock_object, (timo))
+#define	cv_timedwait_sig(cvp, lock, timo)				\
+	_cv_timedwait_sig((cvp), &(lock)->lock_object, (timo))
+
+#define cv_broadcast(cvp)	cv_broadcastpri(cvp, 0)
+
+#define	cv_wmesg(cvp)		((cvp)->cv_description)
+
+#endif	/* _KERNEL */
+#endif	/* !LOCORE */
+#endif	/* _SYS_CONDVAR_HH_ */