Merge remote branch 'origin/release/2.11/master' into fedora/2.11/master

ChangeLog

@@ -11,6 +11,37 @@
 	used later with MMAP_FIXED | MMAP_SHARED to cope with different
 	alignment restrictions.
 
+2010-01-14  Ulrich Drepper  <drepper@redhat.com>
+
+	[BZ #11127]
+	* posix/regcomp.c (alc_eclosure_iter): Do not ignore
+	re_node_set_insert failure; return REG_ESPACE.
+	Patch by Paul Eggert.
+
+2010-01-06  Ulrich Drepper  <drepper@redhat.com>
+
+	* dirent/dirent.h: Fix typo in feature selection macro use.
+
+2009-12-15  Ulrich Drepper  <drepper@redhat.com>
+
+	* include/link.h (struct link_map): Move l_used into its own word.
+	* elf/dl-lookup.c (_dl_lookup_symbol_x): Only update l_used when it is
+	still zero.
+	* elf/dl-object.c (_dl_new_object): Set dl_used if we know it is
+	never really used.
+
+2009-12-10  Ulrich Drepper  <drepper@redhat.com>
+
+	[BZ #11000]
+	* nis/nss_nis/nis-hosts.c (_nss_nis_gethostbyname4_r): Always set
+	*herrnop before returning.
+	* nis/nss_nisplus/nisplus-hosts.c (internal_gethostbyname2_r):
+	Likewise.
+	* nss/nss_files/files-hosts.c (_nss_files_gethostbyname4_r): Handle
+	TRYAGAIN errors separately.
+	* sysdeps/posix/getaddrinfo.c (gaih_inet): Fix error handling of
+	*name4_r after functions.
+
 2009-11-24  Ulrich Drepper  <drepper@redhat.com>
 
 	* sysdeps/unix/grantpt.c (grantpt): Use CLOSE_ALL_FDS is available

dirent/dirent.h

@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2000, 2003-2005, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2000,2003-2005,2009,2010 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -218,7 +218,7 @@ extern void seekdir (DIR *__dirp, long int __pos) __THROW __nonnull ((1));
 extern long int telldir (DIR *__dirp) __THROW __nonnull ((1));
 #endif
 
-#if defined __USE_BSD || defined __USE_MISC || defined __XOPEN_2K8
+#if defined __USE_BSD || defined __USE_MISC || defined __XOPEN2K8
 
 /* Return the file descriptor used by DIRP.  */
 extern int dirfd (DIR *__dirp) __THROW __nonnull ((1));

elf/dl-lookup.c

@@ -777,7 +777,7 @@ _dl_lookup_symbol_x (const char *undef_name, struct link_map *undef_map,
   if (__builtin_expect (protected != 0, 0))
     {
       /* It is very tricky.  We need to figure out what value to
-         return for the protected symbol.  */
+	 return for the protected symbol.  */
       if (type_class == ELF_RTYPE_CLASS_PLT)
 	{
 	  if (current_value.s != NULL && current_value.m != undef_map)
@@ -822,7 +822,8 @@ _dl_lookup_symbol_x (const char *undef_name, struct link_map *undef_map,
 				  version, type_class, flags, skip_map);
 
   /* The object is used.  */
-  current_value.m->l_used = 1;
+  if (__builtin_expect (current_value.m->l_used == 0, 0))
+    current_value.m->l_used = 1;
 
   if (__builtin_expect (GLRO(dl_debug_mask)
 			& (DL_DEBUG_BINDINGS|DL_DEBUG_PRELINK), 0))
@@ -844,7 +845,7 @@ _dl_setup_hash (struct link_map *map)
   Elf_Symndx nchain;
 
   if (__builtin_expect (map->l_info[DT_ADDRTAGIDX (DT_GNU_HASH) + DT_NUM
-  				    + DT_THISPROCNUM + DT_VERSIONTAGNUM
+				    + DT_THISPROCNUM + DT_VERSIONTAGNUM
 				    + DT_EXTRANUM + DT_VALNUM] != NULL, 1))
     {
       Elf32_Word *hash32

elf/dl-object.c

@@ -1,5 +1,5 @@
 /* Storage management for the chain of loaded shared objects.
-   Copyright (C) 1995-2002,2004,2006,2007,2008 Free Software Foundation, Inc.
+   Copyright (C) 1995-2002,2004,2006-2008,2009 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -67,6 +67,10 @@ _dl_new_object (char *realname, const char *libname, int type,
 
   new->l_name = realname;
   new->l_type = type;
+  /* If we set the bit now since we know it is never used we avoid
+     dirtying the cache line later.  */
+  if ((GLRO(dl_debug_mask) & DL_DEBUG_UNUSED) == 0)
+    new->l_used = 1;
   new->l_loader = loader;
 #if NO_TLS_OFFSET != 0
   new->l_tls_offset = NO_TLS_OFFSET;
@@ -174,7 +178,7 @@ _dl_new_object (char *realname, const char *libname, int type,
 	  if (result == NULL)
 	    {
 	      /* We were not able to determine the current directory.
-	         Note that free(origin) is OK if origin == NULL.  */
+		 Note that free(origin) is OK if origin == NULL.  */
 	      free (origin);
 	      origin = (char *) -1;
 	      goto out;

include/link.h

@@ -1,6 +1,6 @@
 /* Data structure for communication from the run-time dynamic linker for
    loaded ELF shared objects.
-   Copyright (C) 1995-2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 1995-2006, 2007, 2009 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -180,7 +180,6 @@ struct link_map
     unsigned int l_need_tls_init:1; /* Nonzero if GL(dl_init_static_tls)
 				       should be called on this link map
 				       when relocation finishes.  */
-    unsigned int l_used:1;	/* Nonzero if the DSO is used.  */
     unsigned int l_auditing:1;	/* Nonzero if the DSO is used in auditing.  */
     unsigned int l_audit_any_plt:1; /* Nonzero if at least one audit module
 				       is interested in the PLT interception.*/
@@ -239,12 +238,15 @@ struct link_map
     struct link_map **l_initfini;
 
     /* List of the dependencies introduced through symbol binding.  */
-    unsigned int l_reldepsmax;
     struct link_map_reldeps
       {
 	unsigned int act;
 	struct link_map *list[];
       } *l_reldeps;
+    unsigned int l_reldepsmax;
+
+    /* Nonzero if the DSO is used.  */
+    unsigned int l_used;
 
     /* Various flag words.  */
     ElfW(Word) l_feature_1;

nis/nss_nis/nis-hosts.c

@@ -70,20 +70,20 @@ LINE_PARSER
      {
        assert ((flags & AI_V4MAPPED) == 0 || af != AF_UNSPEC);
        if (flags & AI_V4MAPPED)
-         {
-           map_v4v6_address ((char *) entdata->host_addr,
-                             (char *) entdata->host_addr);
-           result->h_addrtype = AF_INET6;
-           result->h_length = IN6ADDRSZ;
-         }
+	 {
+	   map_v4v6_address ((char *) entdata->host_addr,
+			     (char *) entdata->host_addr);
+	   result->h_addrtype = AF_INET6;
+	   result->h_length = IN6ADDRSZ;
+	 }
        else
-         {
-           result->h_addrtype = AF_INET;
-           result->h_length = INADDRSZ;
-         }
+	 {
+	   result->h_addrtype = AF_INET;
+	   result->h_length = INADDRSZ;
+	 }
      }
    else if (af != AF_INET
-            && inet_pton (AF_INET6, addr, entdata->host_addr) > 0)
+	    && inet_pton (AF_INET6, addr, entdata->host_addr) > 0)
      {
        result->h_addrtype = AF_INET6;
        result->h_length = IN6ADDRSZ;
@@ -164,14 +164,14 @@ internal_nis_gethostent_r (struct hostent *host, char *buffer,
       int keylen;
       int yperr;
       if (new_start)
-        yperr = yp_first (domain, "hosts.byname", &outkey, &keylen, &result,
+	yperr = yp_first (domain, "hosts.byname", &outkey, &keylen, &result,
 			  &len);
       else
-        yperr = yp_next (domain, "hosts.byname", oldkey, oldkeylen, &outkey,
+	yperr = yp_next (domain, "hosts.byname", oldkey, oldkeylen, &outkey,
 			 &keylen, &result, &len);
 
       if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
-        {
+	{
 	  enum nss_status retval = yperr2nss (yperr);
 
 	  switch (retval)
@@ -191,12 +191,12 @@ internal_nis_gethostent_r (struct hostent *host, char *buffer,
 	}
 
       if (__builtin_expect ((size_t) (len + 1) > linebuflen, 0))
-        {
-          free (result);
+	{
+	  free (result);
 	  *h_errnop = NETDB_INTERNAL;
-          *errnop = ERANGE;
-          return NSS_STATUS_TRYAGAIN;
-        }
+	  *errnop = ERANGE;
+	  return NSS_STATUS_TRYAGAIN;
+	}
 
       char *p = strncpy (data->linebuffer, result, len);
       data->linebuffer[len] = '\0';
@@ -233,7 +233,7 @@ _nss_nis_gethostent_r (struct hostent *host, char *buffer, size_t buflen,
   __libc_lock_lock (lock);
 
   status = internal_nis_gethostent_r (host, buffer, buflen, errnop, h_errnop,
-		        ((_res.options & RES_USE_INET6) ? AF_INET6 : AF_INET),
+			((_res.options & RES_USE_INET6) ? AF_INET6 : AF_INET),
 			((_res.options & RES_USE_INET6) ? AI_V4MAPPED : 0 ));
 
   __libc_lock_unlock (lock);
@@ -346,7 +346,7 @@ _nss_nis_gethostbyname2_r (const char *name, int af, struct hostent *host,
 
   return internal_gethostbyname2_r (name, af, host, buffer, buflen, errnop,
 				    h_errnop,
-		        ((_res.options & RES_USE_INET6) ? AI_V4MAPPED : 0));
+			((_res.options & RES_USE_INET6) ? AI_V4MAPPED : 0));
 }
 
 
@@ -456,7 +456,10 @@ _nss_nis_gethostbyname4_r (const char *name, struct gaih_addrtuple **pat,
 {
   char *domain;
   if (yp_get_default_domain (&domain))
-    return NSS_STATUS_UNAVAIL;
+    {
+      *herrnop = NO_DATA;
+      return NSS_STATUS_UNAVAIL;
+    }
 
   /* Convert name to lowercase.  */
   size_t namlen = strlen (name);

nis/nss_nisplus/nisplus-hosts.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2003, 2005, 2006, 2008 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2003, 2005, 2006, 2008, 2009 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
 
@@ -38,10 +38,10 @@ static nis_name tablename_val;
 static u_long tablename_len;
 
 #define NISENTRYVAL(idx, col, res) \
-        (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
+	(NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
 
 #define NISENTRYLEN(idx, col, res) \
-        (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
+	(NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
 
 /* Get implementation for some internal functions. */
 #include <resolv/mapv4v6addr.h>
@@ -287,15 +287,15 @@ internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
 	      return NSS_STATUS_TRYAGAIN;
 	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
-            {
-              enum nss_status retval = niserr2nss (result->status);
-              if (retval == NSS_STATUS_TRYAGAIN)
-                {
-                  *herrnop = NETDB_INTERNAL;
-                  *errnop = errno;
-                }
-              return retval;
-            }
+	    {
+	      enum nss_status retval = niserr2nss (result->status);
+	      if (retval == NSS_STATUS_TRYAGAIN)
+		{
+		  *herrnop = NETDB_INTERNAL;
+		  *errnop = errno;
+		}
+	      return retval;
+	    }
 
 	}
       else
@@ -308,18 +308,18 @@ internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
 	      return NSS_STATUS_TRYAGAIN;
 	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
-            {
-              enum nss_status retval= niserr2nss (result->status);
+	    {
+	      enum nss_status retval= niserr2nss (result->status);
 
 	      nis_freeresult (result);
 	      result = saved_res;
-              if (retval == NSS_STATUS_TRYAGAIN)
-                {
-                  *herrnop = NETDB_INTERNAL;
+	      if (retval == NSS_STATUS_TRYAGAIN)
+		{
+		  *herrnop = NETDB_INTERNAL;
 		  *errnop = errno;
-                }
-              return retval;
-            }
+		}
+	      return retval;
+	    }
 	}
 
       if (_res.options & RES_USE_INET6)
@@ -330,13 +330,13 @@ internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
 						buflen, errnop, 0);
 
       if (parse_res == -1)
-        {
+	{
 	  nis_freeresult (result);
 	  result = saved_res;
-          *herrnop = NETDB_INTERNAL;
+	  *herrnop = NETDB_INTERNAL;
 	  *errnop = ERANGE;
-          return NSS_STATUS_TRYAGAIN;
-        }
+	  return NSS_STATUS_TRYAGAIN;
+	}
       if (saved_res != NULL)
 	nis_freeresult (saved_res);
 
@@ -435,6 +435,7 @@ internal_gethostbyname2_r (const char *name, int af, struct hostent *host,
   if (result == NULL)
     {
       *errnop = ENOMEM;
+      *herrnop = NETDB_INTERNAL;
       return NSS_STATUS_TRYAGAIN;
     }
 
@@ -444,10 +445,13 @@ internal_gethostbyname2_r (const char *name, int af, struct hostent *host,
       if (retval == NSS_STATUS_TRYAGAIN)
 	{
 	  *errnop = errno;
-	  *herrnop = NETDB_INTERNAL;
+	  *herrnop = TRY_AGAIN;
 	}
       else
-	__set_errno (olderr);
+	{
+	  __set_errno (olderr);
+	  *herrnop = NETDB_INTERNAL;
+	}
       nis_freeresult (result);
       return retval;
     }
@@ -502,7 +506,7 @@ _nss_nisplus_gethostbyname_r (const char *name, struct hostent *host,
 					  buflen, errnop, h_errnop,
 					  AI_V4MAPPED);
       if (status == NSS_STATUS_SUCCESS)
-        return status;
+	return status;
     }
 
   return internal_gethostbyname2_r (name, AF_INET, host, buffer,

nss/nss_files/files-hosts.c

@@ -423,6 +423,11 @@ _nss_files_gethostbyname4_r (const char *name, struct gaih_addrtuple **pat,
       if (! keep_stream)
 	internal_endent ();
     }
+  else if (status == NSS_STATUS_TRYAGAIN)
+    {
+      *errnop = errno;
+      *herrnop = TRY_AGAIN;
+    }
   else
     {
       *errnop = errno;