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-rw-r--r--dispatch.h56
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+/* $OpenBSD: dispatch.h,v 1.14 2017/05/31 07:00:13 markus Exp $ */
+
+/*
+ * Copyright (c) 2000 Markus Friedl. 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 ``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.
+ */
+
+#ifndef DISPATCH_H
+#define DISPATCH_H
+
+#define DISPATCH_MAX 255
+
+enum {
+ DISPATCH_BLOCK,
+ DISPATCH_NONBLOCK
+};
+
+struct ssh;
+
+typedef int dispatch_fn(int, u_int32_t, struct ssh *);
+
+int dispatch_protocol_error(int, u_int32_t, struct ssh *);
+int dispatch_protocol_ignore(int, u_int32_t, struct ssh *);
+void ssh_dispatch_init(struct ssh *, dispatch_fn *);
+void ssh_dispatch_set(struct ssh *, int, dispatch_fn *);
+void ssh_dispatch_range(struct ssh *, u_int, u_int, dispatch_fn *);
+int ssh_dispatch_run(struct ssh *, int, volatile sig_atomic_t *);
+void ssh_dispatch_run_fatal(struct ssh *, int, volatile sig_atomic_t *);
+
+#define dispatch_init(dflt) \
+ ssh_dispatch_init(active_state, (dflt))
+#define dispatch_range(from, to, fn) \
+ ssh_dispatch_range(active_state, (from), (to), (fn))
+#define dispatch_set(type, fn) \
+ ssh_dispatch_set(active_state, (type), (fn))
+
+#endif