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-rw-r--r--resolv/tst-res_hconf_reorder.c113
1 files changed, 0 insertions, 113 deletions
diff --git a/resolv/tst-res_hconf_reorder.c b/resolv/tst-res_hconf_reorder.c
deleted file mode 100644
index 20e5a5a448..0000000000
--- a/resolv/tst-res_hconf_reorder.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/* BZ #17977 _res_hconf_reorder_addrs test.
-
- Copyright (C) 2015-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library 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.
-
- The GNU C Library 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 the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <dlfcn.h>
-#include <pthread.h>
-#include <netdb.h>
-#include <netinet/in.h>
-#include <sys/socket.h>
-
-static struct timespec ts;
-
-/* The first thread that gets a lock in _res_hconf_reorder_addrs()
- should hold the lock long enough to make two other threads blocked.
- This is achieved by slowing down realloc(3) that is called several times
- by _res_hconf_reorder_addrs(). */
-
-void *
-realloc (void *ptr, size_t len)
-{
- static void *(*fun) (void *, size_t);
-
- if (!fun)
- fun = dlsym (RTLD_NEXT, "realloc");
-
- if (ts.tv_nsec)
- nanosleep (&ts, NULL);
-
- return (*fun) (ptr, len);
-}
-
-static void *
-resolve (void *arg)
-{
- struct in_addr addr;
- struct hostent ent;
- struct hostent *result;
- int err;
- char buf[1024];
-
- addr.s_addr = htonl (INADDR_LOOPBACK);
- (void) gethostbyaddr_r ((void *) &addr, sizeof (addr), AF_INET,
- &ent, buf, sizeof (buf), &result, &err);
- return arg;
-}
-
-static int
-do_test (void)
-{
- #define N 3
- pthread_t thr[N];
- unsigned int i;
- int result = 0;
-
- /* turn on realloc slowdown */
- ts.tv_nsec = 100000000;
-
- for (i = 0; i < N; ++i)
- {
- int rc = pthread_create (&thr[i], NULL, resolve, NULL);
-
- if (rc)
- {
- printf ("pthread_create: %s\n", strerror(rc));
- exit (1);
- }
- }
-
- for (i = 0; i < N; ++i)
- {
- void *retval;
- int rc = pthread_join (thr[i], &retval);
-
- if (rc)
- {
- printf ("pthread_join: %s\n", strerror(rc));
- exit (1);
- }
- if (retval)
- {
- printf ("thread %u exit status %p\n", i, retval);
- result = 1;
- }
- }
-
- /* turn off realloc slowdown, no longer needed */
- ts.tv_nsec = 0;
-
- return result;
-}
-
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"