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This patch is the next step towards (re)allowing fork/exec.

Browse Source 
Claudio Natoli
This commit is contained in:
Bruce Momjian
2003-12-20 17:31:21 +00:00
parent 1ee0ddf91d
commit d75b2ec4eb
23 changed files with 490 additions and 216 deletions
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9
src/include/access/xlogdefs.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/xlogdefs.h,v 1.10 2003/11/29 22:40:55 pgsql Exp $
* $PostgreSQL: pgsql/src/include/access/xlogdefs.h,v 1.11 2003/12/20 17:31:21 momjian Exp $
*/
#ifndef XLOG_DEFS_H
#define XLOG_DEFS_H
@ -33,6 +33,13 @@ typedef struct XLogRecPtr
uint32 xrecoff; /* byte offset of location in log file */
} XLogRecPtr;
typedef struct XLogwrtResult
{
XLogRecPtr Write; /* last byte + 1 written out */
XLogRecPtr Flush; /* last byte + 1 flushed */
} XLogwrtResult;
/*
* Macros for comparing XLogRecPtrs
*

9
src/include/c.h
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@ -12,7 +12,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/c.h,v 1.157 2003/11/29 22:40:53 pgsql Exp $
* $PostgreSQL: pgsql/src/include/c.h,v 1.158 2003/12/20 17:31:21 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -793,6 +793,13 @@ extern int fdatasync(int fildes);
#define HAVE_STRTOULL 1
#endif
/* EXEC_BACKEND defines */
#ifdef EXEC_BACKEND
#define NON_EXEC_STATIC
#else
#define NON_EXEC_STATIC static
#endif
/* /port compatibility functions */
#include "port.h"

8
src/include/libpq/libpq-be.h
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@ -11,7 +11,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/libpq/libpq-be.h,v 1.38 2003/11/29 22:41:03 pgsql Exp $
* $PostgreSQL: pgsql/src/include/libpq/libpq-be.h,v 1.39 2003/12/20 17:31:21 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -27,6 +27,11 @@
#endif
typedef enum CAC_state
{
CAC_OK, CAC_STARTUP, CAC_SHUTDOWN, CAC_RECOVERY, CAC_TOOMANY
} CAC_state;
/*
* This is used by the postmaster in its communication with frontends. It
* contains all state information needed during this communication before the
@ -42,6 +47,7 @@ typedef struct Port
ProtocolVersion proto; /* FE/BE protocol version */
SockAddr laddr; /* local addr (postmaster) */
SockAddr raddr; /* remote addr (client) */
CAC_state canAcceptConnections; /* postmaster connection status */
/*
* Information that needs to be saved from the startup packet and

6
src/include/storage/fd.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/storage/fd.h,v 1.40 2003/11/29 22:41:13 pgsql Exp $
* $PostgreSQL: pgsql/src/include/storage/fd.h,v 1.41 2003/12/20 17:31:21 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -77,4 +77,8 @@ extern void RemovePgTempFiles(void);
extern int pg_fsync(int fd);
extern int pg_fdatasync(int fd);
/* Filename components for OpenTemporaryFile */
#define PG_TEMP_FILES_DIR "pgsql_tmp"
#define PG_TEMP_FILE_PREFIX "pgsql_tmp"
#endif /* FD_H */

4
src/include/storage/ipc.h
View File

@ -11,7 +11,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/storage/ipc.h,v 1.63 2003/12/12 18:45:10 petere Exp $
* $PostgreSQL: pgsql/src/include/storage/ipc.h,v 1.64 2003/12/20 17:31:21 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -32,6 +32,8 @@ extern void on_exit_reset(void);
extern void CreateSharedMemoryAndSemaphores(bool makePrivate,
int maxBackends,
int port);
#ifdef EXEC_BACKEND
extern void AttachSharedMemoryAndSemaphores(void);
#endif
#endif /* IPC_H */

4
src/include/storage/lock.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/storage/lock.h,v 1.75 2003/12/01 21:59:25 momjian Exp $
* $PostgreSQL: pgsql/src/include/storage/lock.h,v 1.76 2003/12/20 17:31:21 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -86,8 +86,6 @@ typedef uint16 LOCKMETHODID;
*/
typedef struct LockMethodData
{
HTAB *lockHash;
HTAB *proclockHash;
LOCKMETHODID lockmethodid;
int numLockModes;
LOCKMASK conflictTab[MAX_LOCKMODES];

3
src/include/storage/lwlock.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/storage/lwlock.h,v 1.9 2003/11/29 22:41:13 pgsql Exp $
* $PostgreSQL: pgsql/src/include/storage/lwlock.h,v 1.10 2003/12/20 17:31:21 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -29,7 +29,6 @@ typedef enum LWLockId
LockMgrLock,
OidGenLock,
XidGenLock,
ShmemIndexLock,
SInvalLock,
FreeSpaceLock,
MMCacheLock,

4
src/include/storage/shmem.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/storage/shmem.h,v 1.40 2003/11/29 22:41:13 pgsql Exp $
* $PostgreSQL: pgsql/src/include/storage/shmem.h,v 1.41 2003/12/20 17:31:21 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -61,7 +61,7 @@ typedef struct SHM_QUEUE
} SHM_QUEUE;
/* shmem.c */
extern void InitShmemAllocation(void *seghdr);
extern void InitShmemAllocation(void *seghdr, bool init);
extern void *ShmemAlloc(Size size);
extern bool ShmemIsValid(unsigned long addr);
extern void InitShmemIndex(void);