mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-02 01:40:07 +00:00
090ca0002f
1998-11-18 Ulrich Drepper <drepper@cygnus.com> * io/Makefile (CFLAGS-ftw.c): Removed. 1998-11-18 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * io/Makefile (tests): Make sure that the test program has an explicit directory part. 1998-11-18 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * configure.in: Fix last change. 1998-11-18 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * sunrpc/Makefile (routines): Add create_xid. * sunrpc/clnt_tcp.c: Use non-guessable xid. * sunrpc/clnt_udp.c: Likewise. * sunrpc/clnt_unix.c: Likewise. * sunrpc/pmap_rmt.c: Likewise. * sunrpc/create_xid.c: New, create non-guessable xid. * sunrpc/svc_tcp.c: Remove patch from 1998-06-15, use poll instead of select. * sunrpc/svc_unix.c: Use poll instead of select.
54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/* Copyright (c) 1998 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <sys/time.h>
|
|
#include <bits/libc-lock.h>
|
|
|
|
/* The RPC code is not threadsafe, but new code should be threadsafe. */
|
|
|
|
__libc_lock_define_initialized (static, createxid_lock)
|
|
|
|
static int is_initialized;
|
|
static struct drand48_data __rpc_lrand48_data;
|
|
|
|
unsigned long
|
|
_create_xid (void)
|
|
{
|
|
unsigned long res;
|
|
|
|
__libc_lock_lock (createxid_lock);
|
|
|
|
if (!is_initialized)
|
|
{
|
|
struct timeval now;
|
|
|
|
__gettimeofday (&now, (struct timezone *) 0);
|
|
srand48_r (now.tv_sec ^ now.tv_usec, &__rpc_lrand48_data);
|
|
is_initialized = 1;
|
|
}
|
|
|
|
lrand48_r (&__rpc_lrand48_data, &res);
|
|
|
|
__libc_lock_unlock (createxid_lock);
|
|
|
|
return res;
|
|
}
|