diff options
Diffstat (limited to 'resolv/res_init.c')
| -rw-r--r-- | resolv/res_init.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/resolv/res_init.c b/resolv/res_init.c index 764e571029..459694fbd4 100644 --- a/resolv/res_init.c +++ b/resolv/res_init.c @@ -528,6 +528,7 @@ res_randomid(void) { libc_hidden_def (__res_randomid) #endif + /* * This routine is for closing the socket if a virtual circuit is used and * the program wants to close it. This provides support for endhostent() @@ -556,3 +557,26 @@ res_nclose(res_state statp) { } statp->_u._ext.nsinit = 0; } +#ifdef _LIBC +libc_hidden_def (__res_nclose) +#endif + +#ifdef _LIBC +# ifdef _LIBC_REENTRANT +/* This is called when a thread is exiting to free resources held in _res. */ +static void __attribute__ ((section ("__libc_thread_freeres_fn"))) +res_thread_freeres (void) +{ + __res_nclose (&_res); /* Close any VC sockets. */ + + for (int ns = 0; ns < MAXNS; ns++) + if (_res._u._ext.nsaddrs[ns] != NULL) + { + free (_res._u._ext.nsaddrs[ns]); + _res._u._ext.nsaddrs[ns] = NULL; + } +} +text_set_element (__libc_thread_subfreeres, res_thread_freeres); +text_set_element (__libc_subfreeres, res_thread_freeres); +# endif +#endif |