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