src/DiskIO/DiskDaemon/diomsg.h

   1 /*
   2  * Copyright (C) 1996-2018 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 /*
  10  * diomsg.h
  11  *
  12  * Internal declarations for the diskd routines
  13  */
  14
  15 #ifndef SQUID_DIOMSG_H__
  16 #define SQUID_DIOMSG_H__
  17
  18 enum {
  19     _MQD_NOP,
  20     _MQD_OPEN,
  21     _MQD_CREATE,
  22     _MQD_CLOSE,
  23     _MQD_READ,
  24     _MQD_WRITE,
  25     _MQD_UNLINK
  26 };
  27
  28 class Lock;
  29
  30 struct diomsg {
  31     mtyp_t mtype;
  32     int id;
  33     int seq_no;
  34     void * callback_data;
  35     Lock * requestor;
  36     size_t size;
  37     off_t offset;
  38     int status;
  39     bool newstyle;
  40     int shm_offset;
  41     static const int msg_snd_rcv_sz;
  42 };
  43
  44 #endif /* SQUID_DIOMSG_H__ */
  45