/*
* dump any cached information, forget the hash tables, and reopen a single file
*/
int
ndbreopen(struct ndb *db)
{
int fd;
struct dir *d;
/* forget what we know about the open files */
if(db->isopen){
_ndbcacheflush(db);
hffree(db);
fclose(db->b);
db->mtime = 0;
db->isopen = 0;
}
/* try the open again */
db->b = fopen(db->file, "r");
if(! db->b)
return -1;
#if 0
d = dirfstat(fd);
if(d == NULL){
close(fd);
return -1;
}
db->qid = d->qid;
db->mtime = d->mtime;
db->length = d->length;
free(d);
#endif
db->isopen = 1;
return 0;
}
/*
* close the database files
*/
void
ndbclose(struct ndb *db)
{
struct ndb *nextdb;
for(; db; db = nextdb){
nextdb = db->next;
_ndbcacheflush(db);
hffree(db);
fclose(db->b);
free(db);
}
}
/*
* close the database files
*/
void
ndbclose(Ndb *db)
{
Ndb *nextdb;
for(; db; db = nextdb){
nextdb = db->next;
_ndbcacheflush(db);
hffree(db);
close(Bfildes(&db->b));
Bterm(&db->b);
free(db);
}
}
/*
* dump any cached information, forget the hash tables, and reopen a single file
*/
int
ndbreopen(struct ndb *db)
{
int fd;
struct dir *d;
/* forget what we know about the open files */
if(db->isopen){
_ndbcacheflush(db);
hffree(db);
fclose(db->b);
db->mtime = 0;
db->isopen = 0;
}
/* try the open again */
db->b = fopen(db->file, "r");
if(! db->b) {
return -1;
}
#if 0
d = dirfstat(fd);
if(d == NULL){
close(fd);
return -1;
}
db->qid.path = d->qid.path;
db->mtime = d->mtime;
db->length = d->length;
free(d);
#else
struct stat s;
/* we opened it, this WILL work */
stat(db->file, &s);
db->qid.path = s.st_ino;
db->mtime = s.st_mtime + 1;
db->length = s.st_size;
#endif
db->isopen = 1;
return 0;
}
/*
* dump any cached information, forget the hash tables, and reopen a single file
*/
int
ndbreopen(Ndb *db)
{
int fd;
Dir *d;
/* forget what we know about the open files */
if(db->mtime){
_ndbcacheflush(db);
hffree(db);
close(Bfildes(&db->b));
Bterm(&db->b);
db->mtime = 0;
}
/* try the open again */
fd = open(db->file, OREAD);
if(fd < 0)
return -1;
d = dirfstat(fd);
if(d == nil){
close(fd);
return -1;
}
/* no hashfile for /net/ndb (avoids deadlock in cs) */
if(d->type == 'I')
db->nohash = 1;
db->qid = d->qid;
db->mtime = d->mtime;
db->length = d->length;
Binits(&db->b, fd, OREAD, db->buf, sizeof(db->buf));
free(d);
return 0;
}
