/* * Copyright (C) 1996-2023 The Squid Software Foundation and contributors * * Squid software is distributed under GPLv2+ license and includes * contributions from numerous individuals and organizations. * Please see the COPYING and CONTRIBUTORS files for details. */ /* DEBUG: section 54 Interprocess Communication */ #ifndef SQUID_SRC_IPC_MESSAGES_H #define SQUID_SRC_IPC_MESSAGES_H /** Declarations used by various IPC messages */ namespace Ipc { /// message class identifier typedef enum { mtNone = 0, ///< unspecified or unknown message kind; unused on the wire mtRegisterStrand, ///< notifies about our strand existence mtStrandRegistered, ///< acknowledges mtRegisterStrand acceptance mtFindStrand, ///< a worker requests a strand from Coordinator mtStrandReady, ///< an mtFindStrand answer: the strand exists and should be usable mtSharedListenRequest, mtSharedListenResponse, mtIpcIoNotification, mtCollapsedForwardingNotification, mtCacheMgrRequest, mtCacheMgrResponse, #if SQUID_SNMP mtSnmpRequest, mtSnmpResponse, #endif mtEnd ///< for message kind range checks; unused on the wire } MessageType; } // namespace Ipc; #endif /* SQUID_SRC_IPC_MESSAGES_H */