From 090ca0002ff8ee4ca425bc6088cc097f46c67626 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 18 Nov 1998 11:05:09 +0000 Subject: Update. 1998-11-18 Ulrich Drepper * io/Makefile (CFLAGS-ftw.c): Removed. 1998-11-18 Andreas Schwab * io/Makefile (tests): Make sure that the test program has an explicit directory part. 1998-11-18 Andreas Schwab * configure.in: Fix last change. 1998-11-18 Thorsten Kukuk * 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. --- sunrpc/create_xid.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 sunrpc/create_xid.c (limited to 'sunrpc/create_xid.c') diff --git a/sunrpc/create_xid.c b/sunrpc/create_xid.c new file mode 100644 index 0000000000..15fb367bca --- /dev/null +++ b/sunrpc/create_xid.c @@ -0,0 +1,53 @@ +/* Copyright (c) 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Thorsten Kukuk , 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 +#include +#include +#include + +/* 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; +} -- cgit v1.2.3