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https://github.com/FirebirdSQL/firebird.git
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199 lines
4.2 KiB
C
199 lines
4.2 KiB
C
/*
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* PROGRAM: JRD access method
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* MODULE: isc.h
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* DESCRIPTION: Common descriptions for general-purpose but non-user routines
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*
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* The contents of this file are subject to the Interbase Public
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* License Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy
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* of the License at http://www.Inprise.com/IPL.html
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*
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* Software distributed under the License is distributed on an
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* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code was created by Inprise Corporation
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* and its predecessors. Portions created by Inprise Corporation are
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* Copyright (C) Inprise Corporation.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*
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* 26-Sept-2001 Paul Beach - External File Directory Config. Parameter
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* 17-Oct-2001 Mike Nordell - CPU affinity
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* 2002.10.29 Sean Leyne - Removed obsolete "Netware" port
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*
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* 2002.10.30 Sean Leyne - Removed support for obsolete "PC_PLATFORM" define
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*
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*/
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#ifndef JRD_ISC_H
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#define JRD_ISC_H
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// Firebird platform-specific synchronization data structures
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#ifdef UNIX
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#define MTX_STRUCTURE_DEFINED
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// This is the only place where COND_STRUCT and MUTEX_STRUCT are used.
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// Therefore it's definitions were moved here from thd.h in order
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// to avoid circular dependencies in h-files.
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// Alex Peshkov. Tue 08 Jun 2004 02:22:08 PM MSD.
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#ifdef SOLARIS_MT
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#include <thread.h>
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#define COND_STRUCT cond_t
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#define MUTEX_STRUCT mutex_t
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#endif
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#ifdef USE_POSIX_THREADS
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#include <pthread.h>
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#define COND_STRUCT pthread_cond_t
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#define MUTEX_STRUCT pthread_mutex_t
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#endif
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#ifndef COND_STRUCT
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#define COND_STRUCT SCHAR
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#endif
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#ifndef MUTEX_STRUCT
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#define MUTEX_STRUCT SCHAR
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#endif
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struct mtx {
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MUTEX_STRUCT mtx_mutex[1];
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};
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typedef mtx MTX_T;
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typedef mtx* MTX;
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struct event_t
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{
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SLONG event_semid;
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SLONG event_count;
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MUTEX_STRUCT event_mutex[1];
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COND_STRUCT event_semnum[1];
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};
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#define SH_MEM_STRUCTURE_DEFINED
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struct sh_mem
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{
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UCHAR *sh_mem_address;
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SLONG sh_mem_length_mapped;
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SLONG sh_mem_handle;
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};
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typedef sh_mem SH_MEM_T;
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typedef sh_mem *SH_MEM;
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#endif // UNIX
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#ifdef WIN_NT
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#define MTX_STRUCTURE_DEFINED
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#include <windows.h>
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typedef struct _FAST_MUTEX_SHARED_SECTION
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{
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SLONG fInitialized;
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SLONG lSpinLock;
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SLONG lThreadsWaiting;
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SLONG lAvailable;
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#ifdef _DEBUG
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DWORD dwThreadId;
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#endif
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} FAST_MUTEX_SHARED_SECTION;
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typedef struct _FAST_MUTEX
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{
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HANDLE hEvent;
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HANDLE hFileMap;
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SLONG lSpinCount;
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volatile FAST_MUTEX_SHARED_SECTION* lpSharedInfo;
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} FAST_MUTEX;
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struct mtx
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{
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FAST_MUTEX mtx_fast;
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};
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typedef mtx MTX_T;
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typedef mtx *MTX;
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struct event_t
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{
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SLONG event_pid;
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SLONG event_id;
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SLONG event_count;
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void* event_handle;
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};
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#define SH_MEM_STRUCTURE_DEFINED
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struct sh_mem
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{
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UCHAR* sh_mem_address;
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SLONG sh_mem_length_mapped;
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void* sh_mem_handle;
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void* sh_mem_object;
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void* sh_mem_interest;
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void* sh_mem_hdr_object;
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SLONG* sh_mem_hdr_address;
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TEXT sh_mem_name[MAXPATHLEN];
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};
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typedef sh_mem SH_MEM_T;
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typedef sh_mem *SH_MEM;
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#define THREAD_HANDLE_DEFINED
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typedef void *THD_T;
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#endif // WIN_NT
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#ifndef MTX_STRUCTURE_DEFINED
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#define MTX_STRUCTURE_DEFINED
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struct mtx
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{
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SSHORT mtx_event_count[3];
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SCHAR mtx_use_count;
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SCHAR mtx_wait;
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};
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typedef mtx MTX_T;
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typedef mtx *MTX;
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#endif
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#undef MTX_STRUCTURE_DEFINED
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#ifndef SH_MEM_STRUCTURE_DEFINED
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#define SH_MEM_STRUCTURE_DEFINED
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struct sh_mem
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{
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UCHAR* sh_mem_address;
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SLONG sh_mem_length_mapped;
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SLONG sh_mem_handle;
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};
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typedef sh_mem SH_MEM_T;
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typedef sh_mem *SH_MEM;
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#endif
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#undef SH_MEM_STRUCTURE_DEFINED
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#ifndef THREAD_HANDLE_DEFINED
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#define THREAD_HANDLE_DEFINED
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typedef ULONG THD_T;
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#endif
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#undef THREAD_HANDLE_DEFINED
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// Interprocess communication configuration structure
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// This was used to read to and write from the Config dialog when the server
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// or the guardian is showing an icon in the tray.
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/*
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struct ipccfg
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{
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const char* ipccfg_keyword;
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SCHAR ipccfg_key;
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SLONG* ipccfg_variable;
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SSHORT ipccfg_parent_offset; // Relative offset of parent keyword
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USHORT ipccfg_found; // TRUE when keyword has been set
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};
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typedef ipccfg *IPCCFG;
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*/
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#endif // JRD_ISC_H
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