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authorJun-ichiro itojun Hagino <itojun@cvs.openbsd.org>2002-07-24 01:38:35 +0000
committerJun-ichiro itojun Hagino <itojun@cvs.openbsd.org>2002-07-24 01:38:35 +0000
commit71762e55310fdb5bd048869aad2685129ba33e81 (patch)
tree4f99672e864fd98a0f995e7fd5093dbc95c05848 /lib/libc/net/getaddrinfo.c
parentbefce8bbc6a3f0881efe0d0290480512962bd8c5 (diff)
have _THREAD_PRIVATE_MUTEX for DNS/YP/hosts lookup.
Diffstat (limited to 'lib/libc/net/getaddrinfo.c')
-rw-r--r--lib/libc/net/getaddrinfo.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/lib/libc/net/getaddrinfo.c b/lib/libc/net/getaddrinfo.c
index 4b02f8f1061..364bffedebd 100644
--- a/lib/libc/net/getaddrinfo.c
+++ b/lib/libc/net/getaddrinfo.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: getaddrinfo.c,v 1.39 2002/07/01 21:57:35 itojun Exp $ */
+/* $OpenBSD: getaddrinfo.c,v 1.40 2002/07/24 01:38:34 itojun Exp $ */
/* $KAME: getaddrinfo.c,v 1.31 2000/08/31 17:36:43 itojun Exp $ */
/*
@@ -108,6 +108,8 @@
#include "ypinternal.h"
#endif
+#include "thread_private.h"
+
#define SUCCESS 0
#define ANY 0
#define YES 1
@@ -500,6 +502,9 @@ getaddrinfo(hostname, servname, hints, res)
/*
* FQDN hostname, DNS lookup
*/
+
+_THREAD_PRIVATE_MUTEX(getaddrinfo_explore_fqdn);
+
static int
explore_fqdn(pai, hostname, servname, res)
const struct addrinfo *pai;
@@ -513,6 +518,8 @@ explore_fqdn(pai, hostname, servname, res)
char lookups[MAXDNSLUS];
int i;
+ _THREAD_PRIVATE_MUTEX_LOCK(getaddrinfo_explore_fqdn);
+
result = NULL;
#if 0
@@ -521,15 +528,19 @@ explore_fqdn(pai, hostname, servname, res)
* return the address family or not.
* XXX does not handle PF_UNSPEC case, should filter final result
*/
- if ((pai->ai_flags & AI_ADDRCONFIG) != 0 && !addrconfig(pai))
+ if ((pai->ai_flags & AI_ADDRCONFIG) != 0 && !addrconfig(pai)) {
+ _THREAD_PRIVATE_MUTEX_UNLOCK(getaddrinfo_explore_fqdn);
return 0;
+ }
#endif
/*
* if the servname does not match socktype/protocol, ignore it.
*/
- if (get_portmatch(pai, servname) != 0)
+ if (get_portmatch(pai, servname) != 0) {
+ _THREAD_PRIVATE_MUTEX_UNLOCK(getaddrinfo_explore_fqdn);
return 0;
+ }
if ((_res.options & RES_INIT) == 0 && res_init() == -1)
strncpy(lookups, "f", sizeof lookups);
@@ -560,6 +571,7 @@ explore_fqdn(pai, hostname, servname, res)
/* canonname should be filled already */
}
*res = result;
+ _THREAD_PRIVATE_MUTEX_UNLOCK(getaddrinfo_explore_fqdn);
return 0;
} else {
/* translate error code */
@@ -591,6 +603,7 @@ explore_fqdn(pai, hostname, servname, res)
free:
if (result)
freeaddrinfo(result);
+ _THREAD_PRIVATE_MUTEX_UNLOCK(getaddrinfo_explore_fqdn);
return error;
}