move libevent into base

third_party/libevent/evsignal.h

Index: third_party/libevent/evsignal.h
diff --git a/third_party/libevent/evsignal.h b/third_party/libevent/evsignal.h
deleted file mode 100644
index 076cd8dae33f625cb835e3c431081fc8950c2211..0000000000000000000000000000000000000000
--- a/third_party/libevent/evsignal.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright 2000-2002 Niels Provos <provos@citi.umich.edu>
- * 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.
- * 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 _EVSIGNAL_H_
-#define _EVSIGNAL_H_
-
-typedef void (*ev_sighandler_t)(int);
-
-struct evsignal_info {
-	struct event ev_signal;
-	int ev_signal_pair[2];
-	int ev_signal_added;
-	volatile sig_atomic_t evsignal_caught;
-	struct event_list evsigevents[NSIG];
-	sig_atomic_t evsigcaught[NSIG];
-#ifdef HAVE_SIGACTION
-	struct sigaction **sh_old;
-#else
-	ev_sighandler_t **sh_old;
-#endif
-	int sh_old_max;
-};
-int evsignal_init(struct event_base *);
-void evsignal_process(struct event_base *);
-int evsignal_add(struct event *);
-int evsignal_del(struct event *);
-void evsignal_dealloc(struct event_base *);
-
-#endif /* _EVSIGNAL_H_ */