/*****************************************************************************
* posix/getaddrinfo.c: interruptible DNS resolution for POSIX
*****************************************************************************
* Copyright (C) 2016 Rémi Denis-Courmont
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <assert.h>
#include <stdio.h>
#include <netdb.h>
#include <vlc_common.h>
#include <vlc_interrupt.h>
#include <vlc_network.h>
struct vlc_gai_req
{
const char *name;
const char *service;
const struct addrinfo *hints;
struct addrinfo **result;
int error;
vlc_sem_t done;
};
static void *vlc_gai_thread(void *data)
{
vlc_thread_set_name("vlc-getaddrinfo");
struct vlc_gai_req *req = data;
req->error = EAI_SYSTEM;
req->error = getaddrinfo(req->name, req->service, req->hints, req->result);
vlc_sem_post(&req->done);
return NULL;
}
int vlc_getaddrinfo_i11e(const char *name, unsigned port,
const struct addrinfo *hints,
struct addrinfo **res)
{
struct vlc_gai_req req =
{
.name = name,
.service = NULL,
.hints = hints,
.result = res,
};
char portbuf[6];
vlc_thread_t th;
if (port != 0)
{
if ((size_t)snprintf(portbuf, sizeof (portbuf), "%u",
port) >= sizeof (portbuf))
return EAI_NONAME;
req.service = portbuf;
}
vlc_sem_init(&req.done, 0);
if (vlc_clone(&th, vlc_gai_thread, &req))
return EAI_SYSTEM;
vlc_sem_wait_i11e(&req.done);
vlc_cancel(th);
vlc_join(th, NULL);
return req.error;
}
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(vorverarbeitet am 2026-11-04)
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