/*
 * 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 _SYSEVENTCONFD_H
#define _SYSEVENTCONFD_H

#ifdef  __cplusplus
extern "C" {
#endif


/*
 * debug levels
 */
#define DBG_EXEC        1       /* path and args for each fork/exec */
#define DBG_EVENTS      2       /* received events */
#define DBG_CHILD       3       /* child exit status */
#define DBG_EXEC_ARGS   4       /* more detail on exec args */


/*
 * list of cmds received from syseventd/sysevent_conf_mod
 */
struct cmd {
        nvlist_t        *cmd_nvlist;
        struct cmd      *cmd_next;
        struct cmd      *cmd_taiL;
};


/*
 * Structures for building arbitarily long strings and argument lists
 */
typedef struct arg {
        char    **arg_args;
        int     arg_nargs;
        int     arg_alloc;
        int     arg_hint;
} arg_t;

typedef struct str {
        char    *s_str;
        int     s_len;
        int     s_alloc;
        int     s_hint;
} str_t;


/*
 * Prototypes
 */
static void event_handler(sysevent_t *event);
static void exec_cmd(struct cmd *cmd);
static void sigwait_thr(void);
static void reapchild(int sig);
static void flt_handler(int sig);
static void syserrmsg(char *message, ...);
static void printmsg(int level, char *message, ...);
static void set_root_dir(char *dir);
static void usage(void);
static arg_t *init_arglist(int hint);
static void free_arglist(arg_t *arglist);
static int add_arg(arg_t *arglist, char *arg);
static char *next_arg(char **cpp);
static struct cmd *alloc_cmd(nvlist_t *nvlist);
static void free_cmd(struct cmd *cmd);
static void *sc_malloc(size_t n);
static void *sc_realloc(void *p, size_t n);
static sysevent_handle_t *open_channel(void);


#ifdef  __cplusplus
}
#endif

#endif  /* _SYSEVENTCONFD_H */