1 /* Copyright (c) 1998, 2000 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
28 libc_hidden_proto(lrand48_r)
29 libc_hidden_proto(srand48_r)
30 libc_hidden_proto(gettimeofday)
32 /* The RPC code is not threadsafe, but new code should be threadsafe. */
34 #ifdef __UCLIBC_HAS_THREADS__
36 static pthread_mutex_t createxid_lock = PTHREAD_MUTEX_INITIALIZER;
38 #define LOCK __pthread_mutex_lock(&createxid_lock)
39 #define UNLOCK __pthread_mutex_unlock(&createxid_lock)
41 static int is_initialized;
42 static struct drand48_data __rpc_lrand48_data;
44 u_long attribute_hidden _create_xid (void)
54 gettimeofday (&now, (struct timezone *) 0);
55 srand48_r (now.tv_sec ^ now.tv_usec, &__rpc_lrand48_data);
59 lrand48_r (&__rpc_lrand48_data, &res);