#include "db_config.h"
#ifndef lint
static const char revid[] = "$Id: os_fsync.c,v 1.2 2004/03/30 01:23:46 jtownsen Exp $";
#endif
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#endif
#include "db_int.h"
#ifdef HAVE_VXWORKS
#include "ioLib.h"
#define fsync(fd) __vx_fsync(fd);
int
__vx_fsync(fd)
int fd;
{
int ret;
if ((ret = ioctl(fd, FIOSYNC, 0)) != ERROR)
return (0);
return (ret);
}
#endif
#ifdef __hp3000s900
#define fsync(fd) __mpe_fsync(fd);
int
__mpe_fsync(fd)
int fd;
{
extern FCONTROL(short, short, void *);
FCONTROL(_MPE_FILENO(fd), 2, NULL);
FCONTROL(_MPE_FILENO(fd), 6, NULL);
return (0);
}
#endif
int
__os_fsync(dbenv, fhp)
DB_ENV *dbenv;
DB_FH *fhp;
{
int ret, retries;
if (F_ISSET(fhp, DB_FH_NOSYNC))
return (0);
DB_ASSERT(F_ISSET(fhp, DB_FH_OPENED) && fhp->fd != -1);
retries = 0;
do {
ret = DB_GLOBAL(j_fsync) != NULL ?
DB_GLOBAL(j_fsync)(fhp->fd) : fsync(fhp->fd);
} while (ret != 0 &&
((ret = __os_get_errno()) == EINTR || ret == EBUSY) &&
++retries < DB_RETRY);
if (ret != 0)
__db_err(dbenv, "fsync %s", strerror(ret));
return (ret);
}