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-rw-r--r--REORG.TODO/sunrpc/create_xid.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/REORG.TODO/sunrpc/create_xid.c b/REORG.TODO/sunrpc/create_xid.c
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index 0000000000..815589049e
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+++ b/REORG.TODO/sunrpc/create_xid.c
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+/* Copyright (c) 1998-2017 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 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 <unistd.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <libc-lock.h>
+#include <rpc/rpc.h>
+
+/* The RPC code is not threadsafe, but new code should be threadsafe. */
+
+__libc_lock_define_initialized (static, createxid_lock)
+
+static pid_t is_initialized;
+static struct drand48_data __rpc_lrand48_data;
+
+unsigned long
+_create_xid (void)
+{
+  long int res;
+
+  __libc_lock_lock (createxid_lock);
+
+  pid_t pid = getpid ();
+  if (is_initialized != pid)
+    {
+      struct timeval now;
+
+      __gettimeofday (&now, (struct timezone *) 0);
+      __srand48_r (now.tv_sec ^ now.tv_usec ^ pid,
+		   &__rpc_lrand48_data);
+      is_initialized = pid;
+    }
+
+  lrand48_r (&__rpc_lrand48_data, &res);
+
+  __libc_lock_unlock (createxid_lock);
+
+  return res;
+}