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

1 files changed, 99 insertions, 0 deletions

diff --git a/freebsd/sys/ucontext.h b/freebsd/sys/ucontext.h
new file mode 100644
index 00000000..2c9bed19
--- /dev/null
+++ b/freebsd/sys/ucontext.h
@@ -0,0 +1,99 @@
+/*-
+ * Copyright (c) 1999 Marcel Moolenaar
+ * 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 
+ *    in this position and unchanged.
+ * 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. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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_UCONTEXT_HH_
+#define	_SYS_UCONTEXT_HH_
+
+#include <rtems/freebsd/sys/signal.h>
+#include <rtems/freebsd/machine/ucontext.h>
+
+typedef struct __ucontext {
+	/*
+	 * Keep the order of the first two fields. Also,
+	 * keep them the first two fields in the structure.
+	 * This way we can have a union with struct
+	 * sigcontext and ucontext_t. This allows us to
+	 * support them both at the same time.
+	 * note: the union is not defined, though.
+	 */
+	sigset_t	uc_sigmask;
+	mcontext_t	uc_mcontext;
+
+	struct __ucontext *uc_link;
+	stack_t		uc_stack;
+	int		uc_flags;
+#define	UCF_SWAPPED	0x00000001	/* Used by swapcontext(3). */
+	int		__spare__[4];
+} ucontext_t;
+
+#if defined(_KERNEL) && defined(COMPAT_FREEBSD4)
+#if defined(__i386__)
+struct ucontext4 {
+	sigset_t	uc_sigmask;
+	struct mcontext4 uc_mcontext;
+	struct ucontext4 *uc_link;
+	stack_t		uc_stack;
+	int		__spare__[8];
+};
+#else	/* __i386__ */
+#define ucontext4 ucontext
+#endif	/* __i386__ */
+#endif	/* _KERNEL */
+
+#ifndef _KERNEL
+
+__BEGIN_DECLS
+
+int	getcontext(ucontext_t *);
+int	setcontext(const ucontext_t *);
+void	makecontext(ucontext_t *, void (*)(void), int, ...);
+int	signalcontext(ucontext_t *, int, __sighandler_t *);
+int	swapcontext(ucontext_t *, const ucontext_t *);
+
+__END_DECLS
+
+#else /* _KERNEL */
+
+struct thread;
+
+/*
+ * Flags for get_mcontext().  The low order 4 bits (i.e a mask of 0x0f) are
+ * reserved for use by machine independent code.  All other bits are for use
+ * by machine dependent code.
+ */
+#define	GET_MC_CLEAR_RET	1
+
+/* Machine-dependent functions: */
+int	get_mcontext(struct thread *, mcontext_t *, int);
+int	set_mcontext(struct thread *, const mcontext_t *);
+
+#endif /* !_KERNEL */
+
+#endif /* !_SYS_UCONTEXT_HH_ */