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(cache_addhst): Sync also negative results to disk.

This commit is contained in:
Ulrich Drepper 2004-09-12 10:04:03 +00:00
parent 9d78d12272
commit 8c89236fd3
1 changed files with 15 additions and 6 deletions
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21
nscd/hstcache.c
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@ -136,6 +136,16 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req,
/* Copy the key data. */
memcpy (dataset->strdata, key, req->key_len);
/* If necessary, we also propagate the data to disk. */
if (db->persistent)
{
// XXX async OK?
uintptr_t pval = (uintptr_t) dataset & ~pagesize_m1;
msync ((void *) pval,
((uintptr_t) dataset & pagesize_m1)
+ sizeof (struct dataset) + req->key_len, MS_ASYNC);
}
/* Now get the lock to safely insert the records. */
pthread_rwlock_rdlock (&db->lock);
@ -282,7 +292,7 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req,
&& memcmp (&dataset->resp, dh->data,
dh->allocsize - offsetof (struct dataset, resp)) == 0)
{
/* The sata has not changed. We will just bump the
/* The data has not changed. We will just bump the
timeout value. Note that the new record has been
allocated on the stack and need not be freed. */
dh->timeout = dataset->head.timeout;
@ -386,15 +396,14 @@ lookup (int type, void *key, struct hostent *resultbufp, char *buffer,
if (type == GETHOSTBYNAME)
return __gethostbyname2_r (key, AF_INET, resultbufp, buffer, buflen, hst,
&h_errno);
else if (type == GETHOSTBYNAMEv6)
if (type == GETHOSTBYNAMEv6)
return __gethostbyname2_r (key, AF_INET6, resultbufp, buffer, buflen, hst,
&h_errno);
else if (type == GETHOSTBYADDR)
if (type == GETHOSTBYADDR)
return __gethostbyaddr_r (key, NS_INADDRSZ, AF_INET, resultbufp, buffer,
buflen, hst, &h_errno);
else
return __gethostbyaddr_r (key, NS_IN6ADDRSZ, AF_INET6, resultbufp, buffer,
buflen, hst, &h_errno);
return __gethostbyaddr_r (key, NS_IN6ADDRSZ, AF_INET6, resultbufp, buffer,
buflen, hst, &h_errno);
}