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(REENTRANT_NAME): Mangle start and start_fct pointers.
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@ -1,4 +1,4 @@
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/* Copyright (C) 1996-2002, 2003, 2004, 2006 Free Software Foundation, Inc.
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/* Copyright (C) 1996-2004, 2006, 2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
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@ -22,6 +22,7 @@
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#include <errno.h>
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#include <stdbool.h>
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#include "nsswitch.h"
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#include "sysdep.h"
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#ifdef USE_NSCD
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# include <nscd/nscd_proto.h>
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#endif
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@ -120,6 +121,7 @@ int
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INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
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size_t buflen, LOOKUP_TYPE **result H_ERRNO_PARM)
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{
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static bool startp_initialized;
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static service_user *startp;
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static lookup_function start_fct;
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service_user *nip;
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@ -167,11 +169,15 @@ INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
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}
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#endif
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if (startp == NULL)
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if (! startp_initialized)
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{
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no_more = DB_LOOKUP_FCT (&nip, REENTRANT_NAME_STRING, &fct.ptr);
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if (no_more)
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startp = (service_user *) -1l;
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{
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void *tmp_ptr = (service_user *) -1l;
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PTR_MANGLE (tmp_ptr);
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startp = tmp_ptr;
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}
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else
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{
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#ifdef NEED__RES
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@ -189,16 +195,26 @@ INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
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_res_hconf_init ();
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#endif /* need _res_hconf */
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start_fct = fct.l;
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/* Make sure start_fct is written before startp. */
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atomic_write_barrier ();
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startp = nip;
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void *tmp_ptr = fct.l;
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PTR_MANGLE (tmp_ptr);
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start_fct = tmp_ptr;
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tmp_ptr = nip;
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PTR_MANGLE (tmp_ptr);
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startp = tmp_ptr;
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}
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/* Make sure start_fct and startp are written before
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startp_initialized. */
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atomic_write_barrier ();
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startp_initialized = true;
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}
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else
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{
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fct.l = start_fct;
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no_more = (nip = startp) == (service_user *) -1l;
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PTR_DEMANGLE (fct.l);
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nip = startp;
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PTR_DEMANGLE (nip);
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no_more = nip == (service_user *) -1l;
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}
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while (no_more == 0)
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