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authorJoel Sherrill <joel.sherrill@oarcorp.com>2012-03-07 09:52:04 -0600
committerJoel Sherrill <joel.sherrill@oarcorp.com>2012-03-07 09:52:04 -0600
commita9153ec3040f54fa52b68e14dafed2aba7b780ae (patch)
treefda80e3380dfebf7d97868507aa185757852e882 /rtems/freebsd/sys/_sx.h
downloadrtems-libbsd-a9153ec3040f54fa52b68e14dafed2aba7b780ae.tar.bz2
Initial import
Code is based on FreeBSD 8.2 with USB support from Sebastian Huber and Thomas Doerfler. Initial TCP/IP stack work is from Kevel Kirspel.
Diffstat (limited to 'rtems/freebsd/sys/_sx.h')
-rw-r--r--rtems/freebsd/sys/_sx.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/rtems/freebsd/sys/_sx.h b/rtems/freebsd/sys/_sx.h
new file mode 100644
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+++ b/rtems/freebsd/sys/_sx.h
@@ -0,0 +1,44 @@
+/*-
+ * Copyright (c) 2007 Attilio Rao <attilio@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(s), this list of conditions and the following disclaimer as
+ * the first lines of this file unmodified other than the possible
+ * addition of one or more copyright notices.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice(s), 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 COPYRIGHT HOLDER(S) ``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 COPYRIGHT HOLDER(S) 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__SX_HH_
+#define _SYS__SX_HH_
+
+/*
+ * Shared/exclusive lock main structure definition.
+ */
+struct sx {
+ struct lock_object lock_object;
+#ifndef __rtems__
+ volatile uintptr_t sx_lock;
+#endif /* __rtems__ */
+};
+
+#endif /* !_SYS__SX_HH_ */