71 lines
1.1 KiB
C
71 lines
1.1 KiB
C
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1998,2008 Oracle. All rights reserved.
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*
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* $Id: os_config.c 63573 2008-05-23 21:43:21Z trent.nelson $
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*/
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#include "db_config.h"
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#include "db_int.h"
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/*
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* __os_fs_notzero --
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* Return 1 if allocated filesystem blocks are not zeroed.
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*
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* PUBLIC: int __os_fs_notzero __P((void));
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*/
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int
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__os_fs_notzero()
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{
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/* Most filesystems zero out implicitly created pages. */
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return (0);
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}
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/*
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* __os_support_direct_io --
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* Return 1 if we support direct I/O.
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*
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* PUBLIC: int __os_support_direct_io __P((void));
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*/
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int
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__os_support_direct_io()
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{
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int ret;
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ret = 0;
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#ifdef HAVE_O_DIRECT
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ret = 1;
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#endif
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#if defined(HAVE_DIRECTIO) && defined(DIRECTIO_ON)
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ret = 1;
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#endif
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return (ret);
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}
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/*
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* __os_support_db_register --
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* Return 1 if the system supports DB_REGISTER.
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*
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* PUBLIC: int __os_support_db_register __P((void));
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*/
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int
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__os_support_db_register()
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{
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return (1);
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}
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/*
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* __os_support_replication --
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* Return 1 if the system supports replication.
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*
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* PUBLIC: int __os_support_replication __P((void));
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*/
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int
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__os_support_replication()
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{
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return (1);
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}
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