1 files changed, 59 insertions, 0 deletions
diff --git a/src/common/compat_libevent.h b/src/common/compat_libevent.h
new file mode 100644
index 0000000000..eedd9da43d
--- /dev/null
+++ b/src/common/compat_libevent.h
@@ -0,0 +1,59 @@
+/* Copyright (c) 2009, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+#ifndef _TOR_COMPAT_LIBEVENT_H
+#define _TOR_COMPAT_LIBEVENT_H
+
+#include "orconfig.h"
+
+struct event;
+struct event_base;
+
+#ifdef HAVE_EVENT2_EVENT_H
+#include <event2/util.h>
+#else
+#define evutil_socket_t int
+#endif
+
+void configure_libevent_logging(void);
+void suppress_libevent_log_msg(const char *msg);
+
+#ifdef HAVE_EVENT2_EVENT_H
+#define tor_event_new     event_new
+#define tor_evtimer_new   evtimer_new
+#define tor_evsignal_new  evsignal_new
+#define tor_event_free    event_free
+#define tor_evdns_add_server_port(sock, tcp, cb, data) \
+  evdns_add_server_port_with_base(tor_libevent_get_base(), \
+  (sock),(tcp),(cb),(data));
+
+#else
+struct event *tor_event_new(struct event_base * base, evutil_socket_t sock,
+           short what, void (*cb)(evutil_socket_t, short, void *), void *arg);
+struct event *tor_evtimer_new(struct event_base * base,
+            void (*cb)(evutil_socket_t, short, void *), void *arg);
+struct event *tor_evsignal_new(struct event_base * base, int sig,
+            void (*cb)(evutil_socket_t, short, void *), void *arg);
+void tor_event_free(struct event *ev);
+#define tor_evdns_add_server_port evdns_add_server_port
+#endif
+
+/* XXXX022 If we can drop support for Libevent before 1.1, we can
+ * do without this wrapper. */
+#ifdef HAVE_EVENT_BASE_LOOPEXIT
+#define tor_event_base_loopexit event_base_loopexit
+#else
+struct timeval;
+int tor_event_base_loopexit(struct event_base *base, struct timeval *tv);
+#endif
+
+void tor_libevent_initialize(void);
+struct event_base *tor_libevent_get_base(void);
+const char *tor_libevent_get_method(void);
+void tor_check_libevent_version(const char *m, int server,
+                                const char **badness_out);
+void tor_check_libevent_header_compatibility(void);
+const char *tor_libevent_get_version_str(void);
+
+#endif
+