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authorCem Keylan <cem@ckyln.com>2020-10-16 17:41:25 +0300
committerCem Keylan <cem@ckyln.com>2020-10-16 17:41:25 +0300
commite2abcdca396661cbe0ae2ddb13d5c2b85682c13a (patch)
treeacf9b5c80b645617f882c45224c6e07251711842 /sys/sys/evcount.h
downloadotools-e2abcdca396661cbe0ae2ddb13d5c2b85682c13a.tar.gz
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+/* $OpenBSD: evcount.h,v 1.3 2010/09/20 06:33:46 matthew Exp $ */
+/*
+ * Copyright (c) 2004 Artur Grabowski <art@openbsd.org>
+ * Copyright (c) 2004 Aaron Campbell <aaron@openbsd.org>
+ * 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. 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 ``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 __SYS_EVCOUNT_H__
+#define __SYS_EVCOUNT_H__
+
+#ifdef _KERNEL
+
+#include <sys/queue.h>
+
+struct evcount {
+ u_int64_t ec_count; /* main counter */
+ int ec_id; /* counter ID */
+ const char *ec_name; /* counter name */
+ void *ec_data; /* user data */
+
+ TAILQ_ENTRY(evcount) next;
+};
+
+void evcount_attach(struct evcount *, const char *, void *);
+void evcount_detach(struct evcount *);
+int evcount_sysctl(int *, u_int, void *, size_t *, void *, size_t);
+
+#endif /* _KERNEL */
+
+#endif