Copy mgt_event.[ch] from varnishd into libvarnish and give it the

prefix "VEV".

This is a general purpose eventmanager and as such should live in
the library where other programs can get at it.



git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@2939 d4fa192b-c00b-0410-8231-f00ffab90ce4

include/Makefile.am

@@ -32,6 +32,7 @@ nobase_noinst_HEADERS = \
 	vcl.h \
 	vcl_returns.h \
 	vct.h \
+	vev.h \
 	vlu.h \
 	vbm.h \
 	vrt.h \

include/vev.h

+/*-
+ * Copyright (c) 2006 Verdens Gang AS
+ * Copyright (c) 2006-2008 Linpro AS
+ * All rights reserved.
+ *
+ * Author: Poul-Henning Kamp <phk@phk.freebsd.dk>
+ *
+ * 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 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 AUTHOR 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.
+ *
+ * $Id$
+ */
+
+#include <poll.h>
+
+#include "vqueue.h"
+
+struct vev;
+struct vev_base;
+
+typedef int vev_cb_f(const struct vev *, int what);
+
+struct vev {
+	unsigned		magic;
+#define VEV_MAGIC		0x46bbd419 
+
+	/* pub */
+	const char		*name;
+	int			fd;
+	unsigned		fd_flags;
+#define		EV_RD		POLLIN
+#define		EV_WR		POLLOUT
+#define		EV_ERR		POLLERR
+#define		EV_HUP		POLLHUP
+#define		EV_GONE		POLLNVAL
+#define		EV_SIG		-1
+	int			sig;
+	unsigned		sig_flags;
+	double			timeout;
+	vev_cb_f		*callback;
+	void			*priv;
+
+	/* priv */
+	double			__when;
+	VTAILQ_ENTRY(vev)	__list;
+	unsigned		__binheap_idx;
+	unsigned		__privflags;
+	struct vev_base		*__vevb;
+	int			__poll_idx;
+};
+
+struct vev_base *vev_new_base(void);
+void vev_destroy_base(struct vev_base *evb);
+
+struct vev *vev_new(void);
+
+int vev_add(struct vev_base *evb, struct vev *e);
+void vev_del(struct vev_base *evb, struct vev *e);
+
+int vev_schedule_one(struct vev_base *evb);
+int vev_schedule(struct vev_base *evb);

lib/libvarnish/Makefile.am

@@ -16,6 +16,7 @@ libvarnish_la_SOURCES = \
 	time.c \
 	vct.c \
 	version.c \
+	vev.c \
 	vlu.c \
 	vpf.c \
 	vsb.c \