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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1997, 1998, 1999
* Sleepycat Software. All rights reserved.
*/
#include "db_config.h"
#ifndef lint
static const char sccsid[] = "@(#)os_fsync.c 11.2 (Sleepycat) 9/22/99";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <fcntl.h> /* XXX: Required by __hp3000s900 */
#ifndef _MSC_VER /* _WIN32 */
#include <unistd.h>
#endif
#endif
#include "db_int.h"
#include "os_jump.h"
#ifdef _MSC_VER /* _WIN32 */
#include <io.h>
#define fsync(fd) _commit(fd);
#endif
#ifdef __hp3000s900
int
__mpe_fsync(fd)
int fd;
{
extern FCONTROL(short, short, void *);
FCONTROL(_MPE_FILENO(fd), 2, NULL); /* Flush the buffers */
FCONTROL(_MPE_FILENO(fd), 6, NULL); /* Write the EOF */
return (0);
}
#endif
#ifdef __hp3000s900
#define fsync(fd) __mpe_fsync(fd);
#endif
/*
* CDB___os_fsync --
* Flush a file descriptor.
*
* PUBLIC: int CDB___os_fsync __P((DB_FH *));
*/
int
CDB___os_fsync(fhp)
DB_FH *fhp;
{
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 = CDB___db_jump.j_fsync != NULL ?
CDB___db_jump.j_fsync(fhp->fd) : fsync(fhp->fd);
return (ret == 0 ? 0 : CDB___os_get_errno());
}
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