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59 lines
1.1 KiB
C
59 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) 1997-2002
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* Sleepycat Software. All rights reserved.
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*/
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#include "db_config.h"
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#ifndef lint
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static const char revid[] = "$Id: os_fsync.c,v 11.15 2002/07/12 18:56:54 bostic Exp $";
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#endif /* not lint */
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#ifndef NO_SYSTEM_INCLUDES
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#include <sys/types.h>
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#include <fcntl.h> /* XXX: Required by __hp3000s900 */
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#include <unistd.h>
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#include <string.h>
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#endif
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#include "db_int.h"
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/*
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* __os_fsync --
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* Flush a file descriptor.
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*
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* PUBLIC: int __os_fsync __P((DB_ENV *, DB_FH *));
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*/
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int
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__os_fsync(dbenv, fhp)
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DB_ENV *dbenv;
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DB_FH *fhp;
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{
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BOOL success;
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int ret;
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/*
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* Do nothing if the file descriptor has been marked as not requiring
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* any sync to disk.
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*/
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if (F_ISSET(fhp, DB_FH_NOSYNC))
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return (0);
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ret = 0;
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do {
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if (DB_GLOBAL(j_fsync) != NULL)
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success = (DB_GLOBAL(j_fsync)(fhp->fd) == 0);
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else {
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success = FlushFileBuffers(fhp->handle);
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if (!success)
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__os_set_errno(__os_win32_errno());
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}
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} while (!success && (ret = __os_get_errno()) == EINTR);
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if (ret != 0)
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__db_err(dbenv, "fsync %s", strerror(ret));
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return (ret);
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}
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