2007-01-31 10:14:21 +01:00
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/* Copyright (C) 1998-2002,2003,2004,2005,2006,2007
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Free Software Foundation, Inc.
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2004-09-08 17:46:42 +02:00
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <assert.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdbool.h>
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2007-01-31 10:14:21 +01:00
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#include <string.h>
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2006-03-01 06:39:10 +01:00
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#include <time.h>
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2004-09-08 17:46:42 +02:00
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#include <unistd.h>
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#include <sys/mman.h>
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#include <sys/poll.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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2005-07-14 00:47:24 +02:00
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#include <sys/time.h>
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2004-09-08 17:46:42 +02:00
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#include <sys/uio.h>
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#include <sys/un.h>
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#include <not-cancel.h>
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#include <nis/rpcsvc/nis.h>
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#include "nscd-client.h"
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2005-02-22 23:58:32 +01:00
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ssize_t
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__readall (int fd, void *buf, size_t len)
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{
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size_t n = len;
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ssize_t ret;
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do
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{
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ret = TEMP_FAILURE_RETRY (__read (fd, buf, n));
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if (ret <= 0)
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break;
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buf = (char *) buf + ret;
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n -= ret;
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}
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while (n > 0);
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return ret < 0 ? ret : len - n;
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}
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ssize_t
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__readvall (int fd, const struct iovec *iov, int iovcnt)
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{
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ssize_t ret = TEMP_FAILURE_RETRY (__readv (fd, iov, iovcnt));
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if (ret <= 0)
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return ret;
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size_t total = 0;
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for (int i = 0; i < iovcnt; ++i)
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total += iov[i].iov_len;
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if (ret < total)
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{
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struct iovec iov_buf[iovcnt];
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ssize_t r = ret;
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struct iovec *iovp = memcpy (iov_buf, iov, iovcnt * sizeof (*iov));
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do
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{
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while (iovp->iov_len <= r)
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{
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r -= iovp->iov_len;
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--iovcnt;
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++iovp;
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}
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iovp->iov_base = (char *) iovp->iov_base + r;
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iovp->iov_len -= r;
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r = TEMP_FAILURE_RETRY (__readv (fd, iovp, iovcnt));
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if (r <= 0)
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break;
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ret += r;
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}
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while (ret < total);
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if (r < 0)
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ret = r;
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}
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return ret;
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}
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2004-09-08 17:46:42 +02:00
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static int
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2007-02-01 00:24:54 +01:00
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open_socket (request_type type, const char *key, size_t keylen)
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2004-09-08 17:46:42 +02:00
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{
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int sock = __socket (PF_UNIX, SOCK_STREAM, 0);
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if (sock < 0)
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return -1;
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2007-02-01 00:24:54 +01:00
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struct
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{
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request_header req;
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char key[keylen];
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} reqdata;
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2007-02-16 07:34:26 +01:00
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size_t real_sizeof_reqdata = sizeof (request_header) + keylen;
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2007-02-01 00:24:54 +01:00
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2004-09-08 17:46:42 +02:00
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/* Make socket non-blocking. */
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2007-02-01 00:24:54 +01:00
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__fcntl (sock, F_SETFL, O_RDWR | O_NONBLOCK);
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2004-09-08 17:46:42 +02:00
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struct sockaddr_un sun;
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sun.sun_family = AF_UNIX;
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strcpy (sun.sun_path, _PATH_NSCDSOCKET);
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if (__connect (sock, (struct sockaddr *) &sun, sizeof (sun)) < 0
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&& errno != EINPROGRESS)
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goto out;
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2007-02-01 00:24:54 +01:00
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reqdata.req.version = NSCD_VERSION;
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reqdata.req.type = type;
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reqdata.req.key_len = keylen;
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memcpy (reqdata.key, key, keylen);
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bool first_try = true;
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struct timeval tvend;
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2007-02-02 16:53:48 +01:00
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/* Fake initializing tvend. */
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asm ("" : "=m" (tvend));
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2007-02-01 00:24:54 +01:00
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while (1)
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{
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#ifndef MSG_NOSIGNAL
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# define MSG_NOSIGNAL 0
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#endif
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ssize_t wres = TEMP_FAILURE_RETRY (__send (sock, &reqdata,
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2007-02-16 07:34:26 +01:00
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real_sizeof_reqdata,
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2007-02-01 00:24:54 +01:00
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MSG_NOSIGNAL));
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2007-02-16 07:34:26 +01:00
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if (__builtin_expect (wres == (ssize_t) real_sizeof_reqdata, 1))
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2007-02-01 00:24:54 +01:00
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/* We managed to send the request. */
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return sock;
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if (wres != -1 || errno != EAGAIN)
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/* Something is really wrong, no chance to continue. */
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break;
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/* The daemon is busy wait for it. */
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int to;
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2007-02-02 16:53:48 +01:00
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struct timeval now;
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(void) __gettimeofday (&now, NULL);
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2007-02-01 00:24:54 +01:00
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if (first_try)
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{
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2007-02-02 16:53:48 +01:00
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tvend.tv_usec = now.tv_usec;
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tvend.tv_sec = now.tv_sec + 5;
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2007-02-01 00:24:54 +01:00
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to = 5 * 1000;
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first_try = false;
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}
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else
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2007-02-02 16:53:48 +01:00
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to = ((tvend.tv_sec - now.tv_sec) * 1000
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+ (tvend.tv_usec - now.tv_usec) / 1000);
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2007-02-01 00:24:54 +01:00
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struct pollfd fds[1];
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fds[0].fd = sock;
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fds[0].events = POLLOUT | POLLERR | POLLHUP;
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if (__poll (fds, 1, to) <= 0)
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/* The connection timed out or broke down. */
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break;
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/* We try to write again. */
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}
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2004-09-08 17:46:42 +02:00
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out:
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close_not_cancel_no_status (sock);
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return -1;
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}
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void
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__nscd_unmap (struct mapped_database *mapped)
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{
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assert (mapped->counter == 0);
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2004-09-17 00:54:54 +02:00
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__munmap ((void *) mapped->head, mapped->mapsize);
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2004-09-08 17:46:42 +02:00
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free (mapped);
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}
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2005-07-14 00:47:24 +02:00
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static int
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wait_on_socket (int sock)
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{
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struct pollfd fds[1];
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fds[0].fd = sock;
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fds[0].events = POLLIN | POLLERR | POLLHUP;
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int n = __poll (fds, 1, 5 * 1000);
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if (n == -1 && __builtin_expect (errno == EINTR, 0))
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{
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/* Handle the case where the poll() call is interrupted by a
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signal. We cannot just use TEMP_FAILURE_RETRY since it might
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lead to infinite loops. */
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struct timeval now;
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(void) __gettimeofday (&now, NULL);
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long int end = (now.tv_sec + 5) * 1000 + (now.tv_usec + 500) / 1000;
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while (1)
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{
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long int timeout = end - (now.tv_sec * 1000
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+ (now.tv_usec + 500) / 1000);
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n = __poll (fds, 1, timeout);
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if (n != -1 || errno != EINTR)
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break;
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(void) __gettimeofday (&now, NULL);
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}
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}
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return n;
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}
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2004-09-08 17:46:42 +02:00
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/* Try to get a file descriptor for the shared meory segment
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containing the database. */
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static struct mapped_database *
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get_mapping (request_type type, const char *key,
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struct mapped_database **mappedp)
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{
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struct mapped_database *result = NO_MAPPING;
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#ifdef SCM_RIGHTS
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const size_t keylen = strlen (key) + 1;
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int saved_errno = errno;
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int mapfd = -1;
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2007-02-01 00:24:54 +01:00
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char resdata[keylen];
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2004-09-08 17:46:42 +02:00
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2007-02-01 00:24:54 +01:00
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/* Open a socket and send the request. */
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int sock = open_socket (type, key, keylen);
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2004-09-08 17:46:42 +02:00
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if (sock < 0)
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goto out;
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/* Room for the data sent along with the file descriptor. We expect
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the key name back. */
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2006-04-02 20:24:52 +02:00
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struct iovec iov[1];
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2004-09-08 17:46:42 +02:00
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iov[0].iov_base = resdata;
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iov[0].iov_len = keylen;
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2005-07-14 00:47:24 +02:00
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union
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{
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struct cmsghdr hdr;
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char bytes[CMSG_SPACE (sizeof (int))];
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} buf;
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2004-09-08 17:46:42 +02:00
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struct msghdr msg = { .msg_iov = iov, .msg_iovlen = 1,
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2005-07-14 00:47:24 +02:00
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.msg_control = buf.bytes,
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.msg_controllen = sizeof (buf) };
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2004-09-08 17:46:42 +02:00
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struct cmsghdr *cmsg = CMSG_FIRSTHDR (&msg);
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cmsg->cmsg_level = SOL_SOCKET;
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cmsg->cmsg_type = SCM_RIGHTS;
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cmsg->cmsg_len = CMSG_LEN (sizeof (int));
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2005-07-14 00:47:24 +02:00
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/* This access is well-aligned since BUF is correctly aligned for an
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int and CMSG_DATA preserves this alignment. */
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2004-09-08 17:46:42 +02:00
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*(int *) CMSG_DATA (cmsg) = -1;
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msg.msg_controllen = cmsg->cmsg_len;
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2005-07-14 00:47:24 +02:00
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if (wait_on_socket (sock) <= 0)
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2004-09-08 17:46:42 +02:00
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goto out_close2;
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2007-07-21 19:24:43 +02:00
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# ifndef MSG_CMSG_CLOEXEC
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# define MSG_CMSG_CLOEXEC 0
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# endif
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if (__builtin_expect (TEMP_FAILURE_RETRY (__recvmsg (sock, &msg,
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MSG_CMSG_CLOEXEC))
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2005-07-14 04:53:33 +02:00
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!= keylen, 0))
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2007-07-12 20:26:36 +02:00
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goto out_close2;
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2004-09-13 19:24:41 +02:00
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2007-05-29 16:45:49 +02:00
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if (__builtin_expect (CMSG_FIRSTHDR (&msg) == NULL
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|| (CMSG_FIRSTHDR (&msg)->cmsg_len
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!= CMSG_LEN (sizeof (int))), 0))
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goto out_close2;
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[BZ #2510, BZ #2830, BZ #3137, BZ #3313, BZ #3426, BZ #3465, BZ #3480, BZ #3483, BZ #3493, BZ #3514, BZ #3515, BZ #3664, BZ #3673, BZ #3674]
2007-01-11 Jakub Jelinek <jakub@redhat.com>
* sysdeps/i386/soft-fp/sfp-machine.h: Remove.
* sysdeps/x86_64/soft-fp/sfp-machine.h: Likewise.
2007-01-10 Ulrich Drepper <drepper@redhat.com>
* io/fts.c: Make sure fts_cur is always valid after return from
fts_read.
Patch by Miloslav Trmac <mitr@redhat.com>.
2006-10-27 Richard Sandiford <richard@codesourcery.com>
* elf/elf.h (R_MIPS_GLOB_DAT): Define.
(R_MIPS_NUM): Bump by 1.
2007-01-03 Jakub Jelinek <jakub@redhat.com>
* posix/execvp.c: Include alloca.h.
(allocate_scripts_argv): Renamed to...
(scripts_argv): ... this. Don't allocate buffer here nor count
arguments.
(execvp): Use alloca if possible.
* posix/Makefile: Add rules to build and run tst-vfork3 test.
* posix/tst-vfork3.c: New test.
* stdlib/Makefile (tst-strtod3-ENV): Define.
2007-01-02 Ulrich Drepper <drepper@redhat.com>
* posix/getconf.c: Update copyright year.
* nss/getent.c: Likewise.
* iconv/iconvconfig.c: Likewise.
* iconv/iconv_prog.c: Likewise.
* elf/ldconfig.c: Likewise.
* catgets/gencat.c: Likewise.
* csu/version.c: Likewise.
* elf/ldd.bash.in: Likewise.
* elf/sprof.c (print_version): Likewise.
* locale/programs/locale.c: Likewise.
* locale/programs/localedef.c: Likewise.
* nscd/nscd.c (print_version): Likewise.
* debug/xtrace.sh: Likewise.
* malloc/memusage.sh: Likewise.
* malloc/mtrace.pl: Likewise.
* debug/catchsegv.sh: Likewise.
2006-12-24 Ulrich Drepper <drepper@redhat.com>
* malloc/malloc.c (sYSMALLOc): Remove some unnecessary alignment
attempts.
2006-12-23 Ulrich Drepper <drepper@redhat.com>
* posix/wordexp.c: Remove some unnecessary tests.
2006-12-20 SUGIOKA Toshinobu <sugioka@itonet.co.jp>
* sysdeps/unix/sysv/linux/sh/bits/shm.h: New file.
* nss/getXXbyYY_r.c: Include atomic.h.
(INTERNAL (REENTRANT_NAME)): Write startp after start_fct,
add atomic_write_barrier () in between.
2006-11-28 Jakub Jelinek <jakub@redhat.com>
* elf/dl-support.c: Include dl-procinfo.h.
* sysdeps/powerpc/dl-procinfo.h (PPC_PLATFORM_POWER4,
PPC_PLATFORM_PPC970, PPC_PLATFORM_POWER5, PPC_PLATFORM_POWER5_PLUS,
PPC_PLATFORM_POWER6, PPC_PLATFORM_CELL_BE, PPC_PLATFORM_POWER6X):
Define.
(_dl_string_platform): Use PPC_PLATFORM_* macros instead of
hardcoded constants.
* sysdeps/powerpc/dl-procinfo.c (_dl_powerpc_platform): Use
PPC_PLATFORM_* macros for array designators.
2006-11-11 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/powerpc/dl-procinfo.c (_dl_powerpc_cap_flags): Add 3 new cap
names to the beginning.
(_dl_powerpc_platforms): Add "power6x".
* sysdeps/powerpc/dl-procinfo.h (_DL_HWCAP_FIRST): Decrease.
(HWCAP_IMPORTANT): Add PPC_FEATURE_HAS_DFP.
(_DL_PLATFORMS_COUNT): Increase.
(_dl_string_platform): Handle power6x case.
* sysdeps/powerpc/sysdep.h (PPC_FEATURE_PA6T, PPC_FEATURE_HAS_DFP,
PPC_FEATURE_POWER6_EXT): Define.
(PPC_FEATURE_POWER5, PPC_FEATURE_POWER5_PLUS): Correct Comment.
[-2^31 .. 2^31) range.
* sysdeps/unix/sysv/linux/bits/statvfs.h: Define ST_RELATIME.
* sysdeps/unix/sysv/linux/internal_statvfs.c (__statvfs_getflags):
Handle relatime mount option.
2006-12-13 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S: Include
kernel-features.h.
2006-12-11 Ulrich Drepper <drepper@redhat.com>
* stdlib/strtod_l.c (____STRTOF_INTERNAL): Parse thousand
separators also if no non-zero digits found.
* stdlib/Makefile (tests): Add tst-strtod3.
[BZ #3664]
* stdlib/strtod_l.c (____STRTOF_INTERNAL): Fix test to recognize
empty parsed strings.
* stdlib/Makefile (tests): Add tst-strtod2.
* stdlib/tst-strtod2.c: New file.
[BZ #3673]
* stdlib/strtod_l.c (____STRTOF_INTERNAL): Fix exp_limit
computation.
* stdlib/Makefile (tests): Add tst-atof2.
* stdlib/tst-atof2.c: New file.
[BZ #3674]
* stdlib/strtod_l.c (____STRTOF_INTERNAL): Adjust exponent value
correctly if removing trailing zero of hex-float.
* stdlib/Makefile (tests): Add tst-atof1.
* stdlib/tst-atof1.c: New file.
* misc/mntent_r.c (__hasmntopt): Check p[optlen] even when p == rest.
Start searching for next comma at p rather than rest.
* misc/Makefile (tests): Add tst-mntent2.
* misc/tst-mntent2.c: New test.
2006-12-08 Ulrich Drepper <drepper@redhat.com>
* malloc/memusage.c: Handle realloc with new size of zero and
non-NULL pointer correctly.
(me): Really write first record twice.
(struct entry): Make format bi-arch safe.
(dest): Write out more realloc statistics.
* malloc/memusagestat.c (struct entry): Make format bi-arch safe.
2006-12-05 Jakub Jelinek <jakub@redhat.com>
* nis/nis_subr.c (nis_getnames): Revert last change.
2006-12-03 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/unix/sysv/linux/sh/sys/io.h: Removed.
2006-11-30 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/i386/i686/memcmp.S: Use jump table as the base of
jump table entries.
2006-11-30 Jan Kratochvil <jan.kratochvil@redhat.com>
* sysdeps/unix/sysv/linux/i386/clone.S: Provide CFI for the outermost
`clone' function to ensure proper unwinding stop of gdb.
* sysdeps/unix/sysv/linux/x86_64/clone.S: Likewise.
2006-12-01 Ulrich Drepper <drepper@redhat.com>
* nscd/nscd.init: Remove obsolete and commented-out -S option
handling.
2006-11-23 Jakub Jelinek <jakub@redhat.com>
[BZ #3514]
* manual/string.texi (strncmp): Fix pastos from wcscmp description.
[BZ #3515]
* manual/string.texi (strtok): Remove duplicate paragraph.
2006-12-01 Jan Kratochvil <jan.kratochvil@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/sigaction.c: Fix compatibility with
libgcc not supporting `rflags' unwinding (register # >= 17).
2006-11-30 Jakub Jelinek <jakub@redhat.com>
* sunrpc/svc_run.c (svc_run): Set my_pollfd to new_pollfd if realloc
succeeded.
2006-11-29 Daniel Jacobowitz <dan@codesourcery.com>
Jakub Jelinek <jakub@redhat.com>
Jan Kratochvil <jan.kratochvil@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/sigaction.c (restore_rt): Add correct
unwind information.
* sysdeps/unix/sysv/linux/x86_64/Makefile: Provide symbols for
'restore_rt' even in the 'signal' directory.
* sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym: Extend the regs list.
malloc crashed. Don't allocate memory unnecessarily in each
loop.
2006-10-21 Jakub Jelinek <jakub@redhat.com>
* resolv/mapv4v6addr.h (map_v4v6_address): Fix last change.
2006-11-20 Ulrich Drepper <drepper@redhat.com>
* resolv/mapv4v6addr.h (map_v4v6_address): Optimize a bit.
2006-11-18 Bruno Haible <bruno@clisp.org>
* sysdeps/unix/sysv/linux/i386/getgroups.c (__getgroups): Invoke
__sysconf only after having tried to call getgroups32.
2006-11-19 Ulrich Drepper <drepper@redhat.com>
* nss/nss_files/files-hosts.c (LINE_PARSER): Support IPv6-style
addresses for IPv4 queries if they can be mapped.
2006-11-16 Jakub Jelinek <jakub@redhat.com>
* sysdeps/x86_64/fpu/s_copysignf.S (__copysignf): Switch to .text.
* sysdeps/x86_64/fpu/s_copysign.S (__copysign): Likewise.
(signmask): Add .size directive.
(othermask): Add .type directive.
2006-11-14 Ulrich Drepper <drepper@redhat.com>
* po/nl.po: Update from translation team.
* timezone/zdump.c: Redo fix for BZ #3137.
2006-11-14 Jakub Jelinek <jakub@redhat.com>
* nss/nss_files/files-alias.c (get_next_alias): Set line back
to first_unused after parsing :include: file.
* timezone/africa: Update from tzdata2006o.
* timezone/antarctica: Likewise.
* timezone/asia: Likewise.
* timezone/australasia: Likewise.
* timezone/backward: Likewise.
* timezone/europe: Likewise.
* timezone/iso3166.tab: Likewise.
* timezone/northamerica: Likewise.
* timezone/southamerica: Likewise.
* timezone/zone.tab: Likewise.
* time/tzfile.c (__tzfile_read): Extend to handle new file format
on machines with 64-bit time_t.
* timezone/checktab.awk: Update from tzcode2006o.
* timezone/ialloc.c: Likewise.
* timezone/private.h: Likewise.
* timezone/scheck.c: Likewise.
* timezone/tzfile.h: Likewise.
* timezone/tzselect.ksh: Likewise.
* timezone/zdump.c: Likewise.
* timezone/zic.c: Likewise.
[BZ #3483]
* elf/ldconfig.c (main): Call setlocale and textdomain.
Patch mostly by Benno Schulenberg <bensberg@justemail.net>.
[BZ #3480]
* manual/argp.texi: Fix typos.
* manual/charset.texi: Likewise.
* manual/errno.texi: Likewise.
* manual/filesys.texi: Likewise.
* manual/lang.texi: Likewise.
* manual/maint.texi: Likewise.
* manual/memory.texi: Likewise.
* manual/message.texi: Likewise.
* manual/resource.texi: Likewise.
* manual/search.texi: Likewise.
* manual/signal.texi: Likewise.
* manual/startup.texi: Likewise.
* manual/stdio.texi: Likewise.
* manual/sysinfo.texi: Likewise.
* manual/syslog.texi: Likewise.
* manual/time.texi: Likewise.
Patch by Ralf Wildenhues <Ralf.Wildenhues@gmx.de>.
[BZ #3465]
* sunrpc/clnt_raw.c: Minimal message improvements.
* sunrpc/pm_getmaps.c: Likewise.
* nis/nss_nisplus/nisplus-publickey.c: Likewise.
* nis/nis_print_group_entry.c: Likewise.
* locale/programs/repertoire.c: Likewise.
* locale/programs/charmap.c: Likewise.
* malloc/memusage.sh: Likewise.
* elf/dl-deps.c: Likewise.
* locale/programs/ld-collate.c: Likewise.
* libio/vswprintf.c: Likewise.
* malloc/memusagestat.c: Likewise.
* sunrpc/auth_unix.c: Likewise.
* sunrpc/rpc_main.c: Likewise.
* nscd/cache.c: Likewise.
* locale/programs/repertoire.c: Unify output messages.
* locale/programs/charmap.c: Likewise.
* locale/programs/ld-ctype.c: Likewise.
* locale/programs/ld-monetary.c: Likewise.
* locale/programs/ld-numeric.c: Likewise.
* locale/programs/ld-time.c: Likewise.
* elf/ldconfig.c: Likewise.
* nscd/selinux.c: Likewise.
* elf/cache.c: Likewise.
Patch mostly by Benno Schulenberg <bensberg@justemail.net>.
2006-11-10 Jakub Jelinek <jakub@redhat.com>
* string/strxfrm_l.c (STRXFRM): Fix trailing \1 optimization
if N is one bigger than return value.
* string/tst-strxfrm2.c (do_test): Also test strxfrm with l1 + 1
and l1 last arguments, if buf is defined, verify the return value
equals to strlen (buf) and verify no byte beyond passed length
is modified.
2006-11-10 Ulrich Drepper <drepper@redhat.com>
* po/sv.po: Update from translation team.
* sysdeps/gnu/siglist.c (__old_sys_siglist, __old_sys_sigabbrev):
Use __new_sys_siglist instead of _sys_siglist_internal as
second macro argument.
(_old_sys_siglist): Use declare_symbol_alias macro instead of
strong_alias.
2006-11-09 Ulrich Drepper <drepper@redhat.com>
[BZ #3493]
* posix/unistd.h (sysconf): Remove const attribute.
* sysdeps/posix/getaddrinfo.c (getaddrinfo): Fix test for
temporary or deprecated addresses.
Patch by Sridhar Samudrala <sri@us.ibm.com>.
* string/Makefile (tests): Add tst-strxfrm2.
* string/tst-strxfrm2.c: New file.
2006-10-09 Jakub Jelinek <jakub@redhat.com>
* elf/dl-debug.c (_dl_debug_initialize): Check r->r_map for 0
rather than r->r_brk.
* string/strxfrm_l.c (STRXFRM): Do the trailing \1 removal
optimization even if needed > n.
2006-11-07 Jakub Jelinek <jakub@redhat.com>
* include/libc-symbols.h (declare_symbol): Rename to...
(declare_symbol_alias): ... this. Add ORIGINAL argument, imply
strong_alias (ORIGINAL, SYMBOL) in asm to make sure it preceedes
.size directive.
* sysdeps/gnu/errlist-compat.awk: Adjust for declare_symbol_alias
changes.
* sysdeps/gnu/siglist.c: Likewise.
2006-11-03 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/powerpc/fpu/bits/mathinline.h
[__LIBC_INTERNAL_MATH_INLINES]: Moved to ...
* sysdeps/powerpc/fpu/math_private.h: ...here. New file.
2006-11-05 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/sysconf.c (intel_check_word):
Update handling of cache descriptor 0x49 for new models.
* sysdeps/unix/sysv/linux/x86_64/sysconf.c (intel_check_word):
Likewise.
2006-11-02 Ulrich Drepper <drepper@redhat.com>
* configure.in: Work around ld --help change and avoid -z relro
test completely if the architecture doesn't care about security.
2006-11-01 Ulrich Drepper <drepper@redhat.com>
* po/sv.po: Update from translation team.
2006-10-31 Ulrich Drepper <drepper@redhat.com>
* stdlib/atexit.c (atexit): Don't mark as hidden when used to
generate compatibility version.
2006-10-29 Ulrich Drepper <drepper@redhat.com>
* configure.in: Relax -z relro requirement a bit.
* po/sv.po: Update from translation team.
2006-10-29 Jakub Jelinek <jakub@redhat.com>
* elf/dl-sym.c (do_sym): Use RTLD_SINGLE_THREAD_P.
* elf/dl-runtime.c (_dl_fixup, _dl_profile_fixup): Likewise.
* elf/dl-close.c (_dl_close_worker): Likewise.
* elf/dl-open.c (_dl_open_worker): Likewise.
* sysdeps/generic/sysdep-cancel.h (RTLD_SINGLE_THREAD_P): Define.
* configure.in: Require assembler support for visibility, compiler
support for visibility and aliases, linker support for various -z
options.
* Makeconfig: Remove conditional code which now is unnecessary.
* config.h.in: Likewise.
* config.make.in: Likewise.
* dlfcn/Makefile: Likewise.
* elf/Makefile: Likewise.
* elf/dl-load.c: Likewise.
* elf/rtld.c: Likewise.
* include/libc-symbols.h: Likewise.
* include/stdio.h: Likewise.
* io/Makefile: Likewise.
* io/fstat.c: Likewise.
* io/fstat64.c: Likewise.
* io/fstatat.c: Likewise.
* io/fstatat64.c: Likewise.
* io/lstat.c: Likewise.
* io/lstat64.c: Likewise.
* io/mknod.c: Likewise.
* io/mknodat.c: Likewise.
* io/stat.c: Likewise.
* io/stat64.c: Likewise.
* libio/stdio.c: Likewise.
* nscd/Makefile: Likewise.
* stdlib/Makefile: Likewise.
* stdlib/atexit.c: Likewise.
* sysdeps/generic/ldsodefs.h: Likewise.
* sysdeps/i386/dl-machine.h: Likewise.
* sysdeps/i386/sysdep.h: Likewise.
* sysdeps/i386/i686/memcmp.S: Likewise.
* sysdeps/powerpc/powerpc32/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sigaction.c: Likewise.
* Makerules: USE_TLS support is now default.
* tls.make.c: Likewise.
* csu/Versions: Likewise.
* csu/libc-start.c: Likewise.
* csu/libc-tls.c: Likewise.
* csu/version.c: Likewise.
* dlfcn/dlinfo.c: Likewise.
* elf/dl-addr.c: Likewise.
* elf/dl-cache.c: Likewise.
* elf/dl-close.c: Likewise.
* elf/dl-iteratephdr.c: Likewise.
* elf/dl-load.c: Likewise.
* elf/dl-lookup.c: Likewise.
* elf/dl-object.c: Likewise.
* elf/dl-open.c: Likewise.
* elf/dl-reloc.c: Likewise.
* elf/dl-support.c: Likewise.
* elf/dl-sym.c: Likewise.
* elf/dl-sysdep.c: Likewise.
* elf/dl-tls.c: Likewise.
* elf/ldconfig.c: Likewise.
* elf/rtld.c: Likewise.
* elf/tst-tls-dlinfo.c: Likewise.
* elf/tst-tls1.c: Likewise.
* elf/tst-tls10.h: Likewise.
* elf/tst-tls14.c: Likewise.
* elf/tst-tls2.c: Likewise.
* elf/tst-tls3.c: Likewise.
* elf/tst-tls4.c: Likewise.
* elf/tst-tls5.c: Likewise.
* elf/tst-tls6.c: Likewise.
* elf/tst-tls7.c: Likewise.
* elf/tst-tls8.c: Likewise.
* elf/tst-tls9.c: Likewise.
* elf/tst-tlsmod1.c: Likewise.
* elf/tst-tlsmod13.c: Likewise.
* elf/tst-tlsmod13a.c: Likewise.
* elf/tst-tlsmod14a.c: Likewise.
* elf/tst-tlsmod2.c: Likewise.
* elf/tst-tlsmod3.c: Likewise.
* elf/tst-tlsmod4.c: Likewise.
* elf/tst-tlsmod5.c: Likewise.
* elf/tst-tlsmod6.c: Likewise.
* include/errno.h: Likewise.
* include/link.h: Likewise.
* include/tls.h: Likewise.
* locale/global-locale.c: Likewise.
* locale/localeinfo.h: Likewise.
* malloc/arena.c: Likewise.
* malloc/hooks.c: Likewise.
* malloc/malloc.c: Likewise.
* resolv/Versions: Likewise.
* sysdeps/alpha/dl-machine.h: Likewise.
* sysdeps/alpha/libc-tls.c: Likewise.
* sysdeps/generic/ldsodefs.h: Likewise.
* sysdeps/generic/tls.h: Likewise.
* sysdeps/i386/dl-machine.h: Likewise.
* sysdeps/ia64/dl-machine.h: Likewise.
* sysdeps/ia64/libc-tls.c: Likewise.
* sysdeps/mach/hurd/fork.c: Likewise.
* sysdeps/mach/hurd/i386/tls.h: Likewise.
* sysdeps/powerpc/powerpc32/dl-machine.c: Likwise.
* sysdeps/powerpc/powerpc32/dl-machine.h: Likewise.
* sysdeps/powerpc/powerpc64/dl-machine.h: Likewise.
* sysdeps/s390/libc-tls.c: Likewise.
* sysdeps/s390/s390-32/dl-machine.h: Likewise.
* sysdeps/s390/s390-64/dl-machine.h: Likewise.
* sysdeps/sh/dl-machine.h: Likewise.
* sysdeps/sparc/sparc32/dl-machine.h: Likewise.
* sysdeps/sparc/sparc64/dl-machine.h: Likewise.
* sysdeps/x86_64/dl-machine.h: Likewise.
[BZ #3426]
* stdlib/stdlib.h: Adjust comment for canonicalize_file_name to
reality.
2006-10-27 Jakub Jelinek <jakub@redhat.com>
* elf/dl-lookup.c (_dl_debug_bindings): Remove unused symbol_scope
argument.
(_dl_lookup_symbol_x): Adjust caller.
* sysdeps/generic/ldsodefs.h (struct link_namespaces): Remove
_ns_global_scope.
* elf/rtld.c (dl_main): Don't initialize _ns_global_scope.
* elf/dl-libc.c: Revert l_scope name changes.
* elf/dl-load.c: Likewise.
* elf/dl-object.c: Likewise.
* elf/rtld.c: Likewise.
* elf/dl-close.c (_dl_close): Likewise.
* elf/dl-open.c (dl_open_worker): Likewise. If not SINGLE_THREAD_P,
always use __rtld_mrlock_{change,done}. Always free old scope list
here if not l_scope_mem.
* elf/dl-runtime.c (_dl_fixup, _dl_profile_fixup): Revert l_scope name
change. Never free scope list here. Just __rtld_mrlock_lock before
the lookup and __rtld_mrlock_unlock it after the lookup.
* elf/dl-sym.c: Likewise.
* include/link.h (struct r_scoperec): Remove.
(struct link_map): Replace l_scoperec with l_scope, l_scoperec_mem
with l_scope_mem and l_scoperec_lock with l_scope_lock.
2006-10-25 Ulrich Drepper <drepper@redhat.com>
* sysdeps/gnu/netinet/tcp.h: Define TCP_CONGESTION.
2006-10-18 Ulrich Drepper <drepper@redhat.com>
* configure.in: Disable building profile libraries by default.
2006-10-18 Ulrich Drepper <drepper@redhat.com>
* elf/dl-lookup.c (_dl_lookup_symbol_x): Add warning to
_dl_lookup_symbol_x code.
2006-10-17 Jakub Jelinek <jakub@redhat.com>
* elf/dl-runtime.c: Include sysdep-cancel.h.
(_dl_fixup, _dl_profile_fixup): Use __rtld_mrlock_* and
scoperec->nusers only if !SINGLE_THREAD_P. Use atomic_*
instead of catomic_* macros.
* elf/dl-sym.c: Include sysdep-cancel.h.
(do_sym): Use __rtld_mrlock_* and scoperec->nusers only
if !SINGLE_THREAD_P. Use atomic_* instead of catomic_* macros.
* elf/dl-close.c: Include sysdep-cancel.h.
(_dl_close): Use __rtld_mrlock_* and scoperec->nusers only
if !SINGLE_THREAD_P. Use atomic_* instead of catomic_* macros.
* elf/dl-open.c: Include sysdep-cancel.h.
(dl_open_worker): Use __rtld_mrlock_* and scoperec->nusers only
if !SINGLE_THREAD_P. Use atomic_* instead of catomic_* macros.
2006-10-17 Jakub Jelinek <jakub@redhat.com>
[BZ #3313]
* malloc/malloc.c (malloc_consolidate): Set maxfb to address of last
fastbin rather than end of fastbin array.
2006-10-18 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/i486/bits/atomic.h (catomic_decrement): Use correct
body macro.
* sysdeps/x86_64/bits/atomic.h
(__arch_c_compare_and_exchange_val_64_acq): Add missing casts.
(catomic_decrement): Use correct body macro.
2006-10-17 Jakub Jelinek <jakub@redhat.com>
* include/atomic.h: Add a unique prefix to all local variables
in macros.
* csu/tst-atomic.c (do_test): Test also catomic_* macros.
2006-10-14 Ulrich Drepper <drepper@redhat.com>
* resolv/arpa/nameser.h: Document that ns_t_a6 is deprecated.
[BZ #3313]
* malloc/malloc.c (malloc_consolidate): Don't use get_fast_max to
determine highest fast bin to consolidate, always look into all of
them.
(do_check_malloc_state): Only require for empty bins for large
sizes in main arena.
* libio/stdio.h: Add more __wur attributes.
2006-11-12 Andreas Jaeger <aj@suse.de>
[BZ #2510]
* manual/search.texi (Hash Search Function): Clarify.
(Array Search Function): Clarify.
2006-11-12 Joseph Myers <joseph@codesourcery.com>
[BZ #2830]
* math/atest-exp.c (main): Cast hex value to mp_limb_t before
shifting.
* math/atest-exp2.c (read_mpn_hex): Likewise.
* math/atest-sincos.c (main): Likewise.
* sysdeps/unix/sysv/linux/syscalls.list: Add epoll_pwait.
* sysdeps/unix/sysv/linux/sys/epoll.h: Declare epoll_pwait.
* sysdeps/unix/sysv/linux/Versions (libc): Add epoll_pwait for
version GLIBC_2.6.
* Versions.def: Add GLIBC_2.6 for libc.
* sysdeps/i386/i486/bits/atomic.h: Add catomic_* support.
2006-10-11 Jakub Jelinek <jakub@redhat.com>
* malloc/malloc.c (_int_malloc): Remove unused any_larger variable.
* nis/nis_defaults.c (__nis_default_access): Don't call getenv twice.
* nis/nis_subr.c (nis_getnames): Use __secure_getenv instead of getenv.
* sysdeps/generic/unsecvars.h: Add NIS_PATH.
2006-10-11 Ulrich Drepper <drepper@redhat.com>
* include/atomic.c: Define catomic_* operations.
* sysdeps/x86_64/bits/atomic.h: Likewise. Fix a few minor problems.
* stdlib/cxa_finalize.c: Use catomic_* operations instead of atomic_*.
* malloc/memusage.c: Likewise.
* gmon/mcount.c: Likewise.
* elf/dl-close.c: Likewise.
* elf/dl-open.c: Likewise.
* elf/dl-profile.c: Likewise.
* elf/dl-sym.c: Likewise.
* elf/dl-runtime.c: Likewise.
* elf/dl-fptr.c: Likewise.
* resolv/res_libc.c: Likewise.
2006-10-10 Roland McGrath <roland@frob.com>
* sysdeps/mach/hurd/utimes.c: Use a union to avoid an improper cast.
* sysdeps/mach/hurd/futimes.c: Likewise.
* sysdeps/mach/hurd/lutimes.c: Likewise.
2006-10-09 Ulrich Drepper <drepper@redhat.com>
Jakub Jelinek <jakub@redhat.com>
Implement reference counting of scope records.
* elf/dl-close.c (_dl_close): Remove all scopes from removed objects
from the list in objects which remain. Always allocate new scope
record.
* elf/dl-open.c (dl_open_worker): When growing array for scopes,
don't resize, allocate a new one.
* elf/dl-runtime.c: Update reference counters before using a scope
array.
* elf/dl-sym.c: Likewise.
* elf/dl-libc.c: Adjust for l_scope name change.
* elf/dl-load.c: Likewise.
* elf/dl-object.c: Likewise.
* elf/rtld.c: Likewise.
* include/link.h: Include <rtld-lowlevel.h>. Define struct
r_scoperec. Replace r_scope with pointer to r_scoperec structure.
Add l_scoperec_lock.
* sysdeps/generic/ldsodefs.h: Include <rtld-lowlevel.h>.
* sysdeps/generic/rtld-lowlevel.h: New file.
* include/atomic.h: Rename atomic_and to atomic_and_val and
atomic_or to atomic_or_val. Define new macros atomic_and and
atomic_or which do not return values.
* sysdeps/x86_64/bits/atomic.h: Define atomic_and and atomic_or.
Various cleanups.
* sysdeps/i386/i486/bits/atomic.h: Likewise.
* po/sv.po: Update from translation team.
2006-10-07 Ulrich Drepper <drepper@redhat.com>
* Versions.def: Add GLIBC_2.6 to libpthread.
* include/shlib-compat.h (SHLIB_COMPAT): Expand parameters before use.
(versioned_symbol): Likewise.
(compat_symbol): Likewise.
* po/tr.po: Update from translation team.
* nis/Banner: Removed. It's been integral part forever and the
author info is incomplete anyway.
* libio/Banner: Likewise.
2006-10-06 Ulrich Drepper <drepper@redhat.com>
* version.h (VERSION): Bump to 2.5.90 for new development tree.
2007-01-11 22:51:07 +01:00
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2007-05-29 18:15:48 +02:00
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mapfd = *(int *) CMSG_DATA (cmsg);
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2004-09-08 17:46:42 +02:00
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struct stat64 st;
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2005-07-14 04:53:33 +02:00
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if (__builtin_expect (strcmp (resdata, key) != 0, 0)
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|
|
|| __builtin_expect (fstat64 (mapfd, &st) != 0, 0)
|
|
|
|
|| __builtin_expect (st.st_size < sizeof (struct database_pers_head), 0))
|
2004-09-08 17:46:42 +02:00
|
|
|
goto out_close;
|
|
|
|
|
|
|
|
struct database_pers_head head;
|
2005-07-14 04:53:33 +02:00
|
|
|
if (__builtin_expect (TEMP_FAILURE_RETRY (__pread (mapfd, &head,
|
|
|
|
sizeof (head), 0))
|
|
|
|
!= sizeof (head), 0))
|
2004-09-08 17:46:42 +02:00
|
|
|
goto out_close;
|
|
|
|
|
2005-07-14 04:53:33 +02:00
|
|
|
if (__builtin_expect (head.version != DB_VERSION, 0)
|
|
|
|
|| __builtin_expect (head.header_size != sizeof (head), 0)
|
2004-09-08 17:46:42 +02:00
|
|
|
/* This really should not happen but who knows, maybe the update
|
|
|
|
thread got stuck. */
|
2005-07-14 04:53:33 +02:00
|
|
|
|| __builtin_expect (! head.nscd_certainly_running
|
|
|
|
&& head.timestamp + MAPPING_TIMEOUT < time (NULL),
|
|
|
|
0))
|
2004-09-08 17:46:42 +02:00
|
|
|
goto out_close;
|
|
|
|
|
|
|
|
size_t size = (sizeof (head) + roundup (head.module * sizeof (ref_t), ALIGN)
|
|
|
|
+ head.data_size);
|
|
|
|
|
2005-07-14 04:53:33 +02:00
|
|
|
if (__builtin_expect (st.st_size < size, 0))
|
2004-09-08 17:46:42 +02:00
|
|
|
goto out_close;
|
|
|
|
|
|
|
|
/* The file is large enough, map it now. */
|
|
|
|
void *mapping = __mmap (NULL, size, PROT_READ, MAP_SHARED, mapfd, 0);
|
2005-07-14 04:53:33 +02:00
|
|
|
if (__builtin_expect (mapping != MAP_FAILED, 1))
|
2004-09-08 17:46:42 +02:00
|
|
|
{
|
|
|
|
/* Allocate a record for the mapping. */
|
2005-07-14 00:47:24 +02:00
|
|
|
struct mapped_database *newp = malloc (sizeof (*newp));
|
2004-09-08 17:46:42 +02:00
|
|
|
if (newp == NULL)
|
|
|
|
{
|
|
|
|
/* Ugh, after all we went through the memory allocation failed. */
|
2005-07-14 00:47:24 +02:00
|
|
|
__munmap (mapping, size);
|
2004-09-08 17:46:42 +02:00
|
|
|
goto out_close;
|
|
|
|
}
|
|
|
|
|
|
|
|
newp->head = mapping;
|
|
|
|
newp->data = ((char *) mapping + head.header_size
|
|
|
|
+ roundup (head.module * sizeof (ref_t), ALIGN));
|
|
|
|
newp->mapsize = size;
|
2006-10-02 18:34:25 +02:00
|
|
|
newp->datasize = head.data_size;
|
2004-09-08 17:46:42 +02:00
|
|
|
/* Set counter to 1 to show it is usable. */
|
|
|
|
newp->counter = 1;
|
|
|
|
|
|
|
|
result = newp;
|
|
|
|
}
|
|
|
|
|
|
|
|
out_close:
|
|
|
|
__close (mapfd);
|
|
|
|
out_close2:
|
|
|
|
__close (sock);
|
|
|
|
out:
|
|
|
|
__set_errno (saved_errno);
|
|
|
|
#endif /* SCM_RIGHTS */
|
|
|
|
|
|
|
|
struct mapped_database *oldval = *mappedp;
|
|
|
|
*mappedp = result;
|
|
|
|
|
|
|
|
if (oldval != NULL && atomic_decrement_val (&oldval->counter) == 0)
|
|
|
|
__nscd_unmap (oldval);
|
|
|
|
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
struct mapped_database *
|
|
|
|
__nscd_get_map_ref (request_type type, const char *name,
|
2006-04-26 01:50:31 +02:00
|
|
|
volatile struct locked_map_ptr *mapptr, int *gc_cyclep)
|
2004-09-08 17:46:42 +02:00
|
|
|
{
|
|
|
|
struct mapped_database *cur = mapptr->mapped;
|
|
|
|
if (cur == NO_MAPPING)
|
|
|
|
return cur;
|
|
|
|
|
|
|
|
int cnt = 0;
|
2006-04-26 01:50:31 +02:00
|
|
|
while (__builtin_expect (atomic_compare_and_exchange_val_acq (&mapptr->lock,
|
|
|
|
1, 0) != 0, 0))
|
2004-09-08 17:46:42 +02:00
|
|
|
{
|
|
|
|
// XXX Best number of rounds?
|
2006-04-26 01:50:31 +02:00
|
|
|
if (__builtin_expect (++cnt > 5, 0))
|
2004-09-08 17:46:42 +02:00
|
|
|
return NO_MAPPING;
|
|
|
|
|
|
|
|
atomic_delay ();
|
|
|
|
}
|
|
|
|
|
|
|
|
cur = mapptr->mapped;
|
|
|
|
|
|
|
|
if (__builtin_expect (cur != NO_MAPPING, 1))
|
|
|
|
{
|
|
|
|
/* If not mapped or timestamp not updated, request new map. */
|
|
|
|
if (cur == NULL
|
2004-09-08 19:56:46 +02:00
|
|
|
|| (cur->head->nscd_certainly_running == 0
|
2006-10-02 18:34:25 +02:00
|
|
|
&& cur->head->timestamp + MAPPING_TIMEOUT < time (NULL))
|
|
|
|
|| cur->head->data_size > cur->datasize)
|
2006-04-26 01:50:31 +02:00
|
|
|
cur = get_mapping (type, name,
|
|
|
|
(struct mapped_database **) &mapptr->mapped);
|
2004-09-08 17:46:42 +02:00
|
|
|
|
|
|
|
if (__builtin_expect (cur != NO_MAPPING, 1))
|
|
|
|
{
|
|
|
|
if (__builtin_expect (((*gc_cyclep = cur->head->gc_cycle) & 1) != 0,
|
|
|
|
0))
|
|
|
|
cur = NO_MAPPING;
|
|
|
|
else
|
|
|
|
atomic_increment (&cur->counter);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
mapptr->lock = 0;
|
|
|
|
|
|
|
|
return cur;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2007-01-31 10:14:21 +01:00
|
|
|
/* Don't return const struct datahead *, as eventhough the record
|
|
|
|
is normally constant, it can change arbitrarily during nscd
|
|
|
|
garbage collection. */
|
|
|
|
struct datahead *
|
2004-09-08 17:46:42 +02:00
|
|
|
__nscd_cache_search (request_type type, const char *key, size_t keylen,
|
|
|
|
const struct mapped_database *mapped)
|
|
|
|
{
|
|
|
|
unsigned long int hash = __nis_hash (key, keylen) % mapped->head->module;
|
2006-10-02 18:34:25 +02:00
|
|
|
size_t datasize = mapped->datasize;
|
2004-09-08 17:46:42 +02:00
|
|
|
|
|
|
|
ref_t work = mapped->head->array[hash];
|
2006-10-02 18:34:25 +02:00
|
|
|
while (work != ENDREF && work + sizeof (struct hashentry) <= datasize)
|
2004-09-08 17:46:42 +02:00
|
|
|
{
|
|
|
|
struct hashentry *here = (struct hashentry *) (mapped->data + work);
|
|
|
|
|
2007-01-31 10:14:21 +01:00
|
|
|
#ifndef _STRING_ARCH_unaligned
|
|
|
|
/* Although during garbage collection when moving struct hashentry
|
|
|
|
records around we first copy from old to new location and then
|
|
|
|
adjust pointer from previous hashentry to it, there is no barrier
|
|
|
|
between those memory writes. It is very unlikely to hit it,
|
|
|
|
so check alignment only if a misaligned load can crash the
|
|
|
|
application. */
|
|
|
|
if ((uintptr_t) here & (__alignof__ (*here) - 1))
|
|
|
|
return NULL;
|
|
|
|
#endif
|
|
|
|
|
2006-10-02 18:34:25 +02:00
|
|
|
if (type == here->type
|
|
|
|
&& keylen == here->len
|
2007-01-31 10:14:21 +01:00
|
|
|
&& here->key + keylen <= datasize
|
2006-10-02 18:34:25 +02:00
|
|
|
&& memcmp (key, mapped->data + here->key, keylen) == 0
|
|
|
|
&& here->packet + sizeof (struct datahead) <= datasize)
|
2004-09-08 17:46:42 +02:00
|
|
|
{
|
|
|
|
/* We found the entry. Increment the appropriate counter. */
|
2007-01-31 10:14:21 +01:00
|
|
|
struct datahead *dh
|
2004-09-08 17:46:42 +02:00
|
|
|
= (struct datahead *) (mapped->data + here->packet);
|
|
|
|
|
2007-01-31 10:14:21 +01:00
|
|
|
#ifndef _STRING_ARCH_unaligned
|
|
|
|
if ((uintptr_t) dh & (__alignof__ (*dh) - 1))
|
|
|
|
return NULL;
|
|
|
|
#endif
|
|
|
|
|
2004-09-08 17:46:42 +02:00
|
|
|
/* See whether we must ignore the entry or whether something
|
|
|
|
is wrong because garbage collection is in progress. */
|
2006-10-02 18:34:25 +02:00
|
|
|
if (dh->usable && here->packet + dh->allocsize <= datasize)
|
2004-09-08 17:46:42 +02:00
|
|
|
return dh;
|
|
|
|
}
|
|
|
|
|
|
|
|
work = here->next;
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* Create a socket connected to a name. */
|
|
|
|
int
|
|
|
|
__nscd_open_socket (const char *key, size_t keylen, request_type type,
|
|
|
|
void *response, size_t responselen)
|
|
|
|
{
|
2007-02-01 00:24:54 +01:00
|
|
|
/* This should never happen and it is something the nscd daemon
|
|
|
|
enforces, too. He it helps to limit the amount of stack
|
|
|
|
used. */
|
|
|
|
if (keylen > MAXKEYLEN)
|
|
|
|
return -1;
|
|
|
|
|
2004-09-08 17:46:42 +02:00
|
|
|
int saved_errno = errno;
|
|
|
|
|
2007-02-01 00:24:54 +01:00
|
|
|
int sock = open_socket (type, key, keylen);
|
2004-09-08 17:46:42 +02:00
|
|
|
if (sock >= 0)
|
|
|
|
{
|
2007-02-01 00:24:54 +01:00
|
|
|
/* Wait for data. */
|
|
|
|
if (wait_on_socket (sock) > 0)
|
2005-07-14 00:47:24 +02:00
|
|
|
{
|
2007-02-01 00:24:54 +01:00
|
|
|
ssize_t nbytes = TEMP_FAILURE_RETRY (__read (sock, response,
|
|
|
|
responselen));
|
2005-07-14 00:47:24 +02:00
|
|
|
if (nbytes == (ssize_t) responselen)
|
|
|
|
return sock;
|
2004-09-08 17:46:42 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
close_not_cancel_no_status (sock);
|
|
|
|
}
|
|
|
|
|
|
|
|
__set_errno (saved_errno);
|
|
|
|
|
|
|
|
return -1;
|
|
|
|
}
|