usr.sbin/sysvipcd/utilsd.h

   1 /**
   2  * Copyright (c) 2013 Larisa Grigore <larisagrigore@gmail.com>.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. The name of the author may not be used to endorse or promote products
  14  *    derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #ifndef SYSVD_UTILS_H
  29 #define SYSVD_UTILS_H
  30
  31 #define SOCKET_FD_IDX           0
  32
  33 #define POLLPIPE        (POLLIN | POLLPRI | POLLRDNORM | POLLRDBAND)
  34
  35 #define CONNEXION_CLOSED        0
  36
  37 #define SHMSEG_FREE             0x0200
  38 #define SHMSEG_REMOVED          0x0400
  39 #define SHMSEG_ALLOCATED        0x0800
  40 #define SHMSEG_WANTED           0x1000
  41
  42 #define DIRPATH         "/var/run/sysvipc"
  43
  44 #define SHM_NAME        "shm"
  45 #define SEM_NAME        "sem"
  46 #define MSG_NAME        "msg"
  47 #define UNDO_NAME       "undo"
  48
  49 #include <sys/queue.h>
  50
  51 struct client {
  52         //int fd[2];
  53         int sock;
  54         pid_t pid;
  55         int undoid;
  56         LIST_HEAD(_ids_attached, id_attached) ids_attached;
  57 };
  58
  59 struct client_entry {
  60         struct client                   *client;
  61         LIST_ENTRY(client_entry)        client_link;
  62 };
  63
  64 LIST_HEAD(client_hashtable, client_entry) *clienthashtable;
  65 u_long clientmask;
  66
  67 struct pid_attached {
  68         int pid;
  69         LIST_ENTRY(pid_attached)        link;
  70 };
  71
  72 struct id_attached {
  73         int shmid;
  74         LIST_ENTRY(id_attached) link;
  75 };
  76
  77 struct shm_handle {
  78         int type;
  79         int fd;
  80         LIST_HEAD(_attached_list, pid_attached) attached_list;
  81 };
  82
  83 /* Print wrappers. */
  84 void sysvd_print_err(const char *fmt, ...) __printflike(1, 2);
  85 void sysvd_print(const char *fmt, ...) __printflike(1, 2);
  86
  87 #endif