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0e9d624072
2003-07-22 Jakub Jelinek <jakub@redhat.com> * include/resolv.h (__resp): Declare. Define to __libc_resp if in libc.so. (_res): If USE___THREAD, define to (*__resp). * resolv/res_libc.c (_res): Normal .bss variable with compat_symbol even if USE___THREAD. (__resp): New __thread variable. (__libc_resp): New alias. * resolv/Versions (libc): Export _res@GLIBC_2.0 even if USE_TLS && HAVE___THREAD. Export __resp@@GLIBC_PRIVATE. * sysdeps/generic/res-state.c (__res_state): Return __resp if USE___THREAD.
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* Special definitions for libc's own exposed thread-specific variables.
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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 License as
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published by the Free Software Foundation; either version 2.1 of the
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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; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <tls.h>
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#if USE___THREAD
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# include <errno.h>
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# include <netdb.h>
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# include <resolv.h>
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/* These functions have identical definitions in libc. But the versioned
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dependencies in executables bind them to libpthread.so definitions,
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so we must have some here. */
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int *
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__errno_location (void)
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{
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return &errno;
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}
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int *
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__h_errno_location (void)
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{
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return &h_errno;
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}
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struct __res_state *
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__res_state (void)
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{
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return __resp;
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}
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#endif
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