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+/*
+ * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * 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.
+ * 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.
+ */
+#ifndef _EVENT2_EVENT_COMPAT_H_
+#define _EVENT2_EVENT_COMPAT_H_
+
+/** @file event2/event_compat.h
+
+ Potentially non-threadsafe versions of the functions in event.h: provided
+ only for backwards compatibility.
+
+ In the oldest versions of Libevent, event_base was not a first-class
+ structure. Instead, there was a single event base that every function
+ manipulated. Later, when separate event bases were added, the old functions
+ that didn't take an event_base argument needed to work by manipulating the
+ "current" event base. This could lead to thread-safety issues, and obscure,
+ hard-to-diagnose bugs.
+
+ @deprecated All functions in this file are by definition deprecated.
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <event2/event-config.h>
+#ifdef _EVENT_HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef _EVENT_HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+
+/* For int types. */
+#include <event2/util.h>
+
+/**
+ Initialize the event API.
+
+ The event API needs to be initialized with event_init() before it can be
+ used. Sets the global current base that gets used for events that have no
+ base associated with them.
+
+ @deprecated This function is deprecated because it replaces the "current"
+ event_base, and is totally unsafe for multithreaded use. The replacement
+ is event_base_new().
+
+ @see event_base_set(), event_base_new()
+ */
+struct event_base *event_init(void);
+
+/**
+ Loop to process events.
+
+ Like event_base_dispatch(), but uses the "current" base.
+
+ @deprecated This function is deprecated because it is easily confused by
+ multiple calls to event_init(), and because it is not safe for
+ multithreaded use. The replacement is event_base_dispatch().
+
+ @see event_base_dispatch(), event_init()
+ */
+int event_dispatch(void);
+
+/**
+ Handle events.
+
+ This function behaves like event_base_loop(), but uses the "current" base
+
+ @deprecated This function is deprecated because it uses the event base from
+ the last call to event_init, and is therefore not safe for multithreaded
+ use. The replacement is event_base_loop().
+
+ @see event_base_loop(), event_init()
+*/
+int event_loop(int);
+
+
+/**
+ Exit the event loop after the specified time.
+
+ This function behaves like event_base_loopexit(), except that it uses the
+ "current" base.
+
+ @deprecated This function is deprecated because it uses the event base from
+ the last call to event_init, and is therefore not safe for multithreaded
+ use. The replacement is event_base_loopexit().
+
+ @see event_init, event_base_loopexit()
+ */
+int event_loopexit(const struct timeval *);
+
+
+/**
+ Abort the active event_loop() immediately.
+
+ This function behaves like event_base_loopbreakt(), except that it uses the
+ "current" base.
+
+ @deprecated This function is deprecated because it uses the event base from
+ the last call to event_init, and is therefore not safe for multithreaded
+ use. The replacement is event_base_loopbreak().
+
+ @see event_base_loopbreak(), event_init()
+ */
+int event_loopbreak(void);
+
+/**
+ Schedule a one-time event to occur.
+
+ @deprecated This function is obsolete, and has been replaced by
+ event_base_once(). Its use is deprecated because it relies on the
+ "current" base configured by event_init().
+
+ @see event_base_once()
+ */
+int event_once(evutil_socket_t , short,
+ void (*)(evutil_socket_t, short, void *), void *, const struct timeval *);
+
+
+/**
+ Get the kernel event notification mechanism used by Libevent.
+
+ @deprecated This function is obsolete, and has been replaced by
+ event_base_get_method(). Its use is deprecated because it relies on the
+ "current" base configured by event_init().
+
+ @see event_base_get_method()
+ */
+const char *event_get_method(void);
+
+
+/**
+ Set the number of different event priorities.
+
+ @deprecated This function is deprecated because it is easily confused by
+ multiple calls to event_init(), and because it is not safe for
+ multithreaded use. The replacement is event_base_priority_init().
+
+ @see event_base_priority_init()
+ */
+int event_priority_init(int);
+
+/**
+ Prepare an event structure to be added.
+
+ @deprecated event_set() is not recommended for new code, because it requires
+ a subsequent call to event_base_set() to be safe under most circumstances.
+ Use event_assign() or event_new() instead.
+ */
+void event_set(struct event *, evutil_socket_t, short, void (*)(evutil_socket_t, short, void *), void *);
+
+#define evtimer_set(ev, cb, arg) event_set((ev), -1, 0, (cb), (arg))
+#define evsignal_set(ev, x, cb, arg) \
+ event_set((ev), (x), EV_SIGNAL|EV_PERSIST, (cb), (arg))
+
+
+/**
+ @name timeout_* macros
+
+ @deprecated These macros are deprecated because their naming is inconsistent
+ with the rest of Libevent. Use the evtimer_* macros instead.
+ @{
+ */
+#define timeout_add(ev, tv) event_add((ev), (tv))
+#define timeout_set(ev, cb, arg) event_set((ev), -1, 0, (cb), (arg))
+#define timeout_del(ev) event_del(ev)
+#define timeout_pending(ev, tv) event_pending((ev), EV_TIMEOUT, (tv))
+#define timeout_initialized(ev) event_initialized(ev)
+/**@}*/
+
+/**
+ @name signal_* macros
+
+ @deprecated These macros are deprecated because their naming is inconsistent
+ with the rest of Libevent. Use the evsignal_* macros instead.
+ @{
+ */
+#define signal_add(ev, tv) event_add((ev), (tv))
+#define signal_set(ev, x, cb, arg) \
+ event_set((ev), (x), EV_SIGNAL|EV_PERSIST, (cb), (arg))
+#define signal_del(ev) event_del(ev)
+#define signal_pending(ev, tv) event_pending((ev), EV_SIGNAL, (tv))
+#define signal_initialized(ev) event_initialized(ev)
+/**@}*/
+
+#ifndef EVENT_FD
+/* These macros are obsolete; use event_get_fd and event_get_signal instead. */
+#define EVENT_FD(ev) ((int)event_get_fd(ev))
+#define EVENT_SIGNAL(ev) event_get_signal(ev)
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _EVENT2_EVENT_COMPAT_H_ */