Add libev, more changes

Makefile

@@ -0,0 +1,12 @@
+test/echo-server: test/echo-server.c ol.a
+	gcc -o test/echo-server test/echo-server.c ol.a
+
+ol.a: ol-unix.o
+	ar rcs ol.a ol-unix.o
+
+ol-unix.o: ol-unix.c ol.h ol-unix.h
+	gcc -c ol-unix.c -o ol-unix.o -lm
+
+ev/libev.a: ol-unix.c ol.h ol-unix.h
+	gcc -c ol-unix.c -o ol-unix.o -lm
+

ev/LICENSE

@@ -0,0 +1,36 @@
+All files in libev are Copyright (C)2007,2008,2009 Marc Alexander Lehmann.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * 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 COPYRIGHT HOLDERS AND CONTRIBUTORS
+"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 COPYRIGHT
+OWNER OR CONTRIBUTORS 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.
+
+Alternatively, the contents of this package may be used under the terms
+of the GNU General Public License ("GPL") version 2 or any later version,
+in which case the provisions of the GPL are applicable instead of the
+above. If you wish to allow the use of your version of this package only
+under the terms of the GPL and not to allow others to use your version of
+this file under the BSD license, indicate your decision by deleting the
+provisions above and replace them with the notice and other provisions
+required by the GPL in this and the other files of this package. If you do
+not delete the provisions above, a recipient may use your version of this
+file under either the BSD or the GPL.

ev/Makefile.am

@@ -0,0 +1,18 @@
+AUTOMAKE_OPTIONS = foreign
+
+VERSION_INFO = 4:0:0
+
+EXTRA_DIST = LICENSE Changes libev.m4 autogen.sh \
+	     ev_vars.h ev_wrap.h \
+	     ev_epoll.c ev_select.c ev_poll.c ev_kqueue.c ev_port.c ev_win32.c \
+	     ev.3 ev.pod
+
+man_MANS = ev.3
+
+include_HEADERS = ev.h ev++.h event.h
+
+lib_LTLIBRARIES = libev.la
+
+libev_la_SOURCES = ev.c event.c
+libev_la_LDFLAGS = -version-info $(VERSION_INFO)
+