root/usr/src/cmd/rcap/common/rcapd_stat.h
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _RCAPD_STAT_H
#define _RCAPD_STAT_H

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * Default path to statistics file
 */
#define STAT_FILE_DIR   "/var/run/daemon"
#define STAT_FILE_DEFAULT       STAT_FILE_DIR   "/rcap.stat"

/*
 * Statistics file header.
 */
#define RC_MODE_LEN     16
typedef struct rcapd_stat_hdr {
        /*
         * sizeof pid_t can vary, so we use a fixed 64-bit quantity.
         */
        uint64_t        rs_pid;                 /* pid of producer */
        hrtime_t        rs_time;                /* time recorded */

        /*
         * Physical memory pressure statistics, in percent.
         */
        uint32_t        rs_pressure_cur;        /* current memory pressure */
        uint32_t        rs_pressure_cap;        /* minimum cap enforcement p. */

        uint64_t        rs_pressure_sample;     /* count of pr. samplings */
        char            rs_mode[RC_MODE_LEN];   /* mode ("project" only) */
} rcapd_stat_hdr_t;

extern pid_t stat_get_rcapd_pid(char *);

#ifdef  __cplusplus
}
#endif

#endif  /* _RCAPD_STAT_H */