usr/src/cmd/syseventd/daemons/syseventconfd/syseventconfd.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _SYSEVENTCONFD_H
  28 #define _SYSEVENTCONFD_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36
  37 /*
  38  * debug levels
  39  */
  40 #define DBG_EXEC        1       /* path and args for each fork/exec */
  41 #define DBG_EVENTS      2       /* received events */
  42 #define DBG_CHILD       3       /* child exit status */
  43 #define DBG_EXEC_ARGS   4       /* more detail on exec args */
  44
  45
  46 /*
  47  * list of cmds received from syseventd/sysevent_conf_mod
  48  */
  49 struct cmd {
  50         nvlist_t        *cmd_nvlist;
  51         struct cmd      *cmd_next;
  52         struct cmd      *cmd_taiL;
  53 };
  54
  55
  56 /*
  57  * Structures for building arbitarily long strings and argument lists
  58  */
  59 typedef struct arg {
  60         char    **arg_args;
  61         int     arg_nargs;
  62         int     arg_alloc;
  63         int     arg_hint;
  64 } arg_t;
  65
  66 typedef struct str {
  67         char    *s_str;
  68         int     s_len;
  69         int     s_alloc;
  70         int     s_hint;
  71 } str_t;
  72
  73
  74 /*
  75  * Prototypes
  76  */
  77 static void event_handler(sysevent_t *event);
  78 static void exec_cmd(struct cmd *cmd);
  79 static void sigwait_thr(void);
  80 static void reapchild(int sig);
  81 static void flt_handler(int sig);
  82 static void syserrmsg(char *message, ...);
  83 static void printmsg(int level, char *message, ...);
  84 static void set_root_dir(char *dir);
  85 static void usage(void);
  86 static arg_t *init_arglist(int hint);
  87 static void free_arglist(arg_t *arglist);
  88 static int add_arg(arg_t *arglist, char *arg);
  89 static char *next_arg(char **cpp);
  90 static struct cmd *alloc_cmd(nvlist_t *nvlist);
  91 static void free_cmd(struct cmd *cmd);
  92 static void *sc_malloc(size_t n);
  93 static void *sc_realloc(void *p, size_t n);
  94 static sysevent_handle_t *open_channel(void);
  95
  96
  97 #ifdef  __cplusplus
  98 }
  99 #endif
 100
 101 #endif  /* _SYSEVENTCONFD_H */