Updated to fedora-glibc-20060424T0820

35 files changed, 743 insertions, 123 deletions

diff --git a/sysdeps/generic/unwind-dw2-fde.c b/sysdeps/generic/unwind-dw2-fde.c
index 1f03d17279..13945b9719 100644
--- a/sysdeps/generic/unwind-dw2-fde.c
+++ b/sysdeps/generic/unwind-dw2-fde.c
@@ -1,5 +1,5 @@
 /* Subroutines needed for unwinding stack frames for exception handling.  */
-/* Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
+/* Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2006
    Free Software Foundation, Inc.
    Contributed by Jason Merrill <jason@cygnus.com>.
 
@@ -595,7 +595,7 @@ end_fde_sort (struct object *ob, struct fde_accumulator *accu, size_t count)
 {
   fde_compare_t fde_compare;
 
-  if (accu->linear && accu->linear->count != count)
+  if (accu->linear->count != count)
     abort ();
 
   if (ob->s.b.mixed_encoding)
diff --git a/sysdeps/generic/unwind-dw2.c b/sysdeps/generic/unwind-dw2.c
index 301b53176e..5ecf2846f3 100644
--- a/sysdeps/generic/unwind-dw2.c
+++ b/sysdeps/generic/unwind-dw2.c
@@ -1,5 +1,5 @@
 /* DWARF2 exception handling and frame unwind runtime interface routines.
-   Copyright (C) 1997,1998,1999,2000,2001,2002,2003,2005
+   Copyright (C) 1997,1998,1999,2000,2001,2002,2003,2005,2006
    	Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
@@ -897,12 +897,16 @@ execute_cfa_program (const unsigned char *insn_ptr,
 	  break;
 
 	case DW_CFA_GNU_window_save:
-	  /* ??? Hardcoded for SPARC register window configuration.  */
+	  /* ??? Hardcoded for SPARC register window configuration.
+	     At least do not do anything for archs which explicitly
+	     define a lower register number.  */
+#if DWARF_FRAME_REGISTERS >= 32
 	  for (reg = 16; reg < 32; ++reg)
 	    {
 	      fs->regs.reg[reg].how = REG_SAVED_OFFSET;
 	      fs->regs.reg[reg].loc.offset = (reg - 16) * sizeof (void *);
 	    }
+#endif
 	  break;
 
 	case DW_CFA_GNU_args_size:
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index 46c66a8f7e..843e60bba3 100644
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -68,7 +68,7 @@ extern int __idna_to_unicode_lzlz (const char *input, char **output,
 #define GAIH_EAI        ~(GAIH_OKIFUNSPEC)
 
 #ifndef UNIX_PATH_MAX
-#define UNIX_PATH_MAX  108
+# define UNIX_PATH_MAX  108
 #endif
 
 struct gaih_service
@@ -177,9 +177,9 @@ gaih_local (const char *name, const struct gaih_service *service,
       if (! tp->name[0])
 	{
 	  if (req->ai_socktype)
-	    return (GAIH_OKIFUNSPEC | -EAI_SOCKTYPE);
+	    return GAIH_OKIFUNSPEC | -EAI_SOCKTYPE;
 	  else
-	    return (GAIH_OKIFUNSPEC | -EAI_SERVICE);
+	    return GAIH_OKIFUNSPEC | -EAI_SERVICE;
 	}
     }
 
@@ -249,9 +249,10 @@ gaih_local (const char *name, const struct gaih_service *service,
 }
 #endif	/* 0 */
 
+
 static int
 gaih_inet_serv (const char *servicename, const struct gaih_typeproto *tp,
-	       const struct addrinfo *req, struct gaih_servtuple *st)
+		const struct addrinfo *req, struct gaih_servtuple *st)
 {
   struct servent *s;
   size_t tmpbuflen = 1024;
@@ -362,6 +363,7 @@ typedef enum nss_status (*nss_getcanonname_r)
    int *errnop, int *h_errnop);
 extern service_user *__nss_hosts_database attribute_hidden;
 
+
 static int
 gaih_inet (const char *name, const struct gaih_service *service,
 	   const struct addrinfo *req, struct addrinfo **pai,
@@ -389,9 +391,9 @@ gaih_inet (const char *name, const struct gaih_service *service,
       if (! tp->name[0])
 	{
 	  if (req->ai_socktype)
-	    return (GAIH_OKIFUNSPEC | -EAI_SOCKTYPE);
+	    return GAIH_OKIFUNSPEC | -EAI_SOCKTYPE;
 	  else
-	    return (GAIH_OKIFUNSPEC | -EAI_SERVICE);
+	    return GAIH_OKIFUNSPEC | -EAI_SERVICE;
 	}
     }
 
@@ -399,7 +401,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
   if (service != NULL)
     {
       if ((tp->protoflag & GAI_PROTO_NOSERVICE) != 0)
-	return (GAIH_OKIFUNSPEC | -EAI_SERVICE);
+	return GAIH_OKIFUNSPEC | -EAI_SERVICE;
 
       if (service->num < 0)
 	{
@@ -443,7 +445,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
 		  pst = &(newp->next);
 		}
 	      if (st == (struct gaih_servtuple *) &nullserv)
-		return (GAIH_OKIFUNSPEC | -EAI_SERVICE);
+		return GAIH_OKIFUNSPEC | -EAI_SERVICE;
 	    }
 	}
       else
@@ -538,16 +540,10 @@ gaih_inet (const char *name, const struct gaih_service *service,
 	  else
 	    return -EAI_ADDRFAMILY;
 
-	dupname:
 	  if (req->ai_flags & AI_CANONNAME)
-	    {
-	      canon = strdup (name);
-	      if (canon == NULL)
-		return -EAI_MEMORY;
-	    }
+	    canon = name;
 	}
-
-      if (at->family == AF_UNSPEC)
+      else if (at->family == AF_UNSPEC)
 	{
 	  char *namebuf = (char *) name;
 	  char *scope_delim = strchr (name, SCOPE_DELIMITER);
@@ -595,7 +591,8 @@ gaih_inet (const char *name, const struct gaih_service *service,
 		    }
 		}
 
-	      goto dupname;
+	      if (req->ai_flags & AI_CANONNAME)
+		canon = name;
 	    }
 	}
 
@@ -689,7 +686,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
 		    }
 		  /* We made requests but they turned out no data.
 		     The name is known, though.  */
-		  return (GAIH_OKIFUNSPEC | -EAI_NODATA);
+		  return GAIH_OKIFUNSPEC | -EAI_NODATA;
 		}
 
 	      goto process_list;
@@ -756,7 +753,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
 		  free (air);
 
 		  if (at->family == AF_UNSPEC)
-		    return (GAIH_OKIFUNSPEC | -EAI_NONAME);
+		    return GAIH_OKIFUNSPEC | -EAI_NONAME;
 
 		  goto process_list;
 		}
@@ -898,13 +895,13 @@ gaih_inet (const char *name, const struct gaih_service *service,
 
 	      /* We made requests but they turned out no data.  The name
 		 is known, though.  */
-	      return (GAIH_OKIFUNSPEC | -EAI_NODATA);
+	      return GAIH_OKIFUNSPEC | -EAI_NODATA;
 	    }
 	}
 
     process_list:
       if (at->family == AF_UNSPEC)
-	return (GAIH_OKIFUNSPEC | -EAI_NONAME);
+	return GAIH_OKIFUNSPEC | -EAI_NONAME;
     }
   else
     {
@@ -1098,6 +1095,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
   return 0;
 }
 
+#if 0
 static const struct gaih gaih[] =
   {
     { PF_INET6, gaih_inet },
@@ -1107,6 +1105,7 @@ static const struct gaih gaih[] =
 #endif
     { PF_UNSPEC, NULL }
   };
+#endif
 
 struct sort_result
 {
@@ -1114,6 +1113,7 @@ struct sort_result
   struct sockaddr_storage source_addr;
   uint8_t source_addr_len;
   bool got_source_addr;
+  uint8_t source_addr_flags;
 };
 
 
@@ -1204,7 +1204,7 @@ static const struct prefixlist default_precedence[] =
       96, 20 },
     { { .in6_u = { .u6_addr16 = { 0x0000, 0x0000, 0x0000, 0x0000,
 				  0x0000, 0xffff, 0x0000, 0x0000 } } },
-      96, 10 },
+      96, 100 },
     { { .in6_u = { .u6_addr16 = { 0x0000, 0x0000, 0x0000, 0x0000,
 				  0x0000, 0x0000, 0x0000, 0x0000 } } },
       0, 40 }
@@ -1336,8 +1336,16 @@ rfc3484_sort (const void *p1, const void *p2)
     }
 
 
-  /* Rule 3: Avoid deprecated addresses.
-     That's something only the kernel could decide.  */
+  /* Rule 3: Avoid deprecated addresses.  */
+  if (a1->got_source_addr)
+    {
+      if (!(a1->source_addr_flags & in6ai_deprecated)
+	  && (a2->source_addr_flags & in6ai_deprecated))
+	return -1;
+      if ((a1->source_addr_flags & in6ai_deprecated)
+	  && !(a2->source_addr_flags & in6ai_deprecated))
+	return 1;
+    }
 
   /* Rule 4: Prefer home addresses.
      Another thing only the kernel can decide.  */
@@ -1372,8 +1380,18 @@ rfc3484_sort (const void *p1, const void *p2)
     return 1;
 
 
-  /* Rule 7: Prefer native transport.
-     XXX How to recognize tunnels?  */
+  /* Rule 7: Prefer native transport.  */
+  if (a1->got_source_addr)
+    {
+      if (!(a1->source_addr_flags & in6ai_temporary)
+	  && (a1->source_addr_flags & in6ai_temporary))
+	return -1;
+      if ((a1->source_addr_flags & in6ai_temporary)
+	  && !(a1->source_addr_flags & in6ai_temporary))
+	return -1;
+
+      /* XXX Do we need to check anything beside temporary addresses?  */
+    }
 
 
   /* Rule 8: Prefer smaller scope.  */
@@ -1454,15 +1472,23 @@ rfc3484_sort (const void *p1, const void *p2)
 }
 
 
+static int
+in6aicmp (const void *p1, const void *p2)
+{
+  struct in6addrinfo *a1 = (struct in6addrinfo *) p1;
+  struct in6addrinfo *a2 = (struct in6addrinfo *) p2;
+
+  return memcmp (a1->addr, a2->addr, sizeof (a1->addr));
+}
+
+
 int
 getaddrinfo (const char *name, const char *service,
 	     const struct addrinfo *hints, struct addrinfo **pai)
 {
-  int i = 0, j = 0, last_i = 0;
+  int i = 0, last_i = 0;
   int nresults = 0;
-  struct addrinfo *p = NULL, **end;
-  const struct gaih *g = gaih;
-  const struct gaih *pg = NULL;
+  struct addrinfo *p = NULL;
   struct gaih_service gaih_service, *pservice;
   struct addrinfo local_hints;
 
@@ -1490,15 +1516,23 @@ getaddrinfo (const char *name, const char *service,
   if ((hints->ai_flags & AI_CANONNAME) && name == NULL)
     return EAI_BADFLAGS;
 
+  struct in6addrinfo *in6ai;
+  size_t in6ailen;
+  bool seen_ipv4 = false;
+  bool seen_ipv6 = false;
+  /* We might need information about what kind of interfaces are available.
+     But even if AI_ADDRCONFIG is not used, if the user requested IPv6
+     addresses we have to know whether an address is deprecated or
+     temporary.  */
+  if ((hints->ai_flags & AI_ADDRCONFIG) || hints->ai_family == PF_UNSPEC
+      || hints->ai_family == PF_INET6)
+    /* Determine whether we have IPv4 or IPv6 interfaces or both.  We
+       cannot cache the results since new interfaces could be added at
+       any time.  */
+    __check_pf (&seen_ipv4, &seen_ipv6, &in6ai, &in6ailen);
+
   if (hints->ai_flags & AI_ADDRCONFIG)
     {
-      /* Determine whether we have IPv4 or IPv6 interfaces or both.
-	 We cannot cache the results since new interfaces could be
-	 added at any time.  */
-      bool seen_ipv4;
-      bool seen_ipv6;
-      __check_pf (&seen_ipv4, &seen_ipv6);
-
       /* Now make a decision on what we return, if anything.  */
       if (hints->ai_family == PF_UNSPEC && (seen_ipv4 || seen_ipv6))
 	{
@@ -1513,8 +1547,11 @@ getaddrinfo (const char *name, const char *service,
 	}
       else if ((hints->ai_family == PF_INET && ! seen_ipv4)
 	       || (hints->ai_family == PF_INET6 && ! seen_ipv6))
-	/* We cannot possibly return a valid answer.  */
-	return EAI_NONAME;
+	{
+	  /* We cannot possibly return a valid answer.  */
+	  free (in6ai);
+	  return EAI_NONAME;
+	}
     }
 
   if (service && service[0])
@@ -1525,7 +1562,10 @@ getaddrinfo (const char *name, const char *service,
       if (*c != '\0')
 	{
 	  if (hints->ai_flags & AI_NUMERICSERV)
-	    return EAI_NONAME;
+	    {
+	      free (in6ai);
+	      return EAI_NONAME;
+	    }
 
 	  gaih_service.num = -1;
 	}
@@ -1535,12 +1575,21 @@ getaddrinfo (const char *name, const char *service,
   else
     pservice = NULL;
 
+  struct addrinfo **end;
   if (pai)
     end = &p;
   else
     end = NULL;
 
   unsigned int naddrs = 0;
+#if 0
+  /* If we would support more protocols than just IPv4 and IPv6 we
+     would iterate over a table with appropriate callback functions.
+     Since we currently only handle IPv4 and IPv6 this is not
+     necessary.  */
+  const struct gaih *g = gaih;
+  const struct gaih *pg = NULL;
+  int j = 0;
   while (g->gaih)
     {
       if (hints->ai_family == g->family || hints->ai_family == AF_UNSPEC)
@@ -1564,6 +1613,7 @@ getaddrinfo (const char *name, const char *service,
 		    }
 
 		  freeaddrinfo (p);
+		  free (in6ai);
 
 		  return -(i & GAIH_EAI);
 		}
@@ -1579,7 +1629,35 @@ getaddrinfo (const char *name, const char *service,
     }
 
   if (j == 0)
-    return EAI_FAMILY;
+    {
+      free (in6ai);
+      return EAI_FAMILY;
+    }
+#else
+  if (hints->ai_family == AF_UNSPEC || hints->ai_family == AF_INET
+      || hints->ai_family == AF_INET6)
+    {
+      last_i = gaih_inet (name, pservice, hints, end, &naddrs);
+      if (last_i != 0)
+	{
+	  freeaddrinfo (p);
+	  free (in6ai);
+
+	  return -(i & GAIH_EAI);
+	}
+      if (end)
+	while (*end)
+	  {
+	    end = &((*end)->ai_next);
+	    ++nresults;
+	  }
+    }
+  else
+    {
+      free (in6ai);
+      return EAI_FAMILY;
+    }
+#endif
 
   if (naddrs > 1)
     {
@@ -1589,6 +1667,11 @@ getaddrinfo (const char *name, const char *service,
       struct addrinfo *last = NULL;
       char *canonname = NULL;
 
+      /* If we have information about deprecated and temporary address
+	 sort the array now.  */
+      if (in6ai != NULL)
+	qsort (in6ai, in6ailen, sizeof (*in6ai), in6aicmp);
+
       for (i = 0, q = p; q != NULL; ++i, last = q, q = q->ai_next)
 	{
 	  results[i].dest_addr = q;
@@ -1603,9 +1686,12 @@ getaddrinfo (const char *name, const char *service,
 		      results[i - 1].source_addr_len);
 	      results[i].source_addr_len = results[i - 1].source_addr_len;
 	      results[i].got_source_addr = results[i - 1].got_source_addr;
+	      results[i].source_addr_flags = results[i - 1].source_addr_flags;
 	    }
 	  else
 	    {
+	      results[i].source_addr_flags = 0;
+
 	      /* We overwrite the type with SOCK_DGRAM since we do not
 		 want connect() to connect to the other side.  If we
 		 cannot determine the source address remember this
@@ -1620,6 +1706,20 @@ getaddrinfo (const char *name, const char *service,
 		{
 		  results[i].source_addr_len = sl;
 		  results[i].got_source_addr = true;
+
+		  if (q->ai_family == PF_INET6 && in6ai != NULL)
+		    {
+		      /* See whether the address is the list of deprecated
+			 or temporary addresses.  */
+		      struct in6addrinfo tmp;
+		      memcpy (tmp.addr, q->ai_addr, IN6ADDRSZ);
+
+		      struct in6addrinfo *found
+			= bsearch (&tmp, in6ai, in6ailen, sizeof (*in6ai),
+				   in6aicmp);
+		      if (found != NULL)
+			results[i].source_addr_flags = found->flags;
+		    }
 		}
 	      else
 		/* Just make sure that if we have to process the same
@@ -1653,6 +1753,8 @@ getaddrinfo (const char *name, const char *service,
       p->ai_canonname = canonname;
     }
 
+  free (in6ai);
+
   if (p)
     {
       *pai = p;
diff --git a/sysdeps/posix/sigset.c b/sysdeps/posix/sigset.c
index 31e39d78b5..8f96e3d610 100644
--- a/sysdeps/posix/sigset.c
+++ b/sysdeps/posix/sigset.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 2000, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000, 2005, 2006 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
@@ -29,8 +29,10 @@ sigset (sig, disp)
      int sig;
      __sighandler_t disp;
 {
-  struct sigaction act, oact;
+  struct sigaction act;
+  struct sigaction oact;
   sigset_t set;
+  sigset_t oset;
 
 #ifdef SIG_HOLD
   /* Handle SIG_HOLD first.  */
@@ -45,10 +47,18 @@ sigset (sig, disp)
 	return SIG_ERR;
 
       /* Add the signal set to the current signal mask.  */
-      if (__sigprocmask (SIG_BLOCK, &set, NULL) < 0)
+      if (__sigprocmask (SIG_BLOCK, &set, &oset) < 0)
 	return SIG_ERR;
 
-      return SIG_HOLD;
+      /* If the signal was already blocked signal this to the caller.  */
+      if (__sigismember (&oset, sig))
+	return SIG_HOLD;
+
+      /* We need to determine whether a specific handler is installed.  */
+      if (__sigaction (sig, NULL, &oact) < 0)
+	return SIG_ERR;
+
+      return oact.sa_handler;
     }
 #endif	/* SIG_HOLD */
 
@@ -75,8 +85,9 @@ sigset (sig, disp)
     return SIG_ERR;
 
   /* Remove the signal set from the current signal mask.  */
-  if (__sigprocmask (SIG_UNBLOCK, &set, NULL) < 0)
+  if (__sigprocmask (SIG_UNBLOCK, &set, &oset) < 0)
     return SIG_ERR;
 
-  return oact.sa_handler;
+  /* If the signal was already blocked return SIG_HOLD.  */
+  return __sigismember (&oset, sig) ? SIG_HOLD : oact.sa_handler;
 }
diff --git a/sysdeps/posix/tempname.c b/sysdeps/posix/tempname.c
index 0d4bbc418a..c8973a0852 100644
--- a/sysdeps/posix/tempname.c
+++ b/sysdeps/posix/tempname.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-1999, 2000, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1999, 2000, 2001, 2006 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
@@ -242,11 +242,15 @@ __gen_tempname (char *tmpl, int kind)
      necessary to try all these combinations.  Instead if a reasonable
      number of names is tried (we define reasonable as 62**3) fail to
      give the system administrator the chance to remove the problems.  */
-  unsigned int attempts_min = 62 * 62 * 62;
+#define ATTEMPTS_MIN (62 * 62 * 62)
 
   /* The number of times to attempt to generate a temporary file.  To
      conform to POSIX, this must be no smaller than TMP_MAX.  */
-  unsigned int attempts = attempts_min < TMP_MAX ? TMP_MAX : attempts_min;
+#if ATTEMPTS_MIN < TMP_MAX
+  unsigned int attempts = TMP_MAX;
+#else
+  unsigned int attempts = ATTEMPTS_MIN;
+#endif
 
   len = strlen (tmpl);
   if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX"))
diff --git a/sysdeps/powerpc/fpu/bits/mathinline.h b/sysdeps/powerpc/fpu/bits/mathinline.h
index 15da56384e..aed899e882 100644
--- a/sysdeps/powerpc/fpu/bits/mathinline.h
+++ b/sysdeps/powerpc/fpu/bits/mathinline.h
@@ -129,7 +129,7 @@ __NTH (fdimf (float __x, float __y))
 #include <ldsodefs.h>
 #include <dl-procinfo.h>
 
-# if __WORDSIZE == 64
+# if __WORDSIZE == 64 || defined _ARCH_PWR4
 #  define __CPU_HAS_FSQRT 1
 # else
 #  define __CPU_HAS_FSQRT ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
@@ -141,7 +141,7 @@ __NTH (__ieee754_sqrt (double __x))
 {
   double __z;
 
-  /* If the CPU is 64-bit we can use the optional FP instructions we.  */
+  /* If the CPU is 64-bit we can use the optional FP instructions.  */
   if (__CPU_HAS_FSQRT)
   {
     /* Volatile is required to prevent the compiler from moving the
@@ -163,7 +163,7 @@ __NTH (__ieee754_sqrtf (float __x))
 {
   float __z;
 
-  /* If the CPU is 64-bit we can use the optional FP instructions we.  */
+  /* If the CPU is 64-bit we can use the optional FP instructions.  */
   if (__CPU_HAS_FSQRT)
   {
     /* Volatile is required to prevent the compiler from moving the
diff --git a/sysdeps/powerpc/fpu/e_sqrt.c b/sysdeps/powerpc/fpu/e_sqrt.c
index e6ba1f979f..540b924656 100644
--- a/sysdeps/powerpc/fpu/e_sqrt.c
+++ b/sysdeps/powerpc/fpu/e_sqrt.c
@@ -169,8 +169,8 @@ __ieee754_sqrt (x)
 {
   double z;
 
-  /* If the CPU is 64-bit we can use the optional FP instructions we.  */
-  if ((GLRO (dl_hwcap) & PPC_FEATURE_64) != 0)
+  /* If the CPU is 64-bit we can use the optional FP instructions.  */
+  if (__CPU_HAS_FSQRT)
     {
       /* Volatile is required to prevent the compiler from moving the 
          fsqrt instruction above the branch.  */
diff --git a/sysdeps/powerpc/fpu/e_sqrtf.c b/sysdeps/powerpc/fpu/e_sqrtf.c
index 335935bb18..b63d31472b 100644
--- a/sysdeps/powerpc/fpu/e_sqrtf.c
+++ b/sysdeps/powerpc/fpu/e_sqrtf.c
@@ -146,8 +146,8 @@ __ieee754_sqrtf (x)
 {
   double z;
 
-  /* If the CPU is 64-bit we can use the optional FP instructions we.  */
-  if ((GLRO (dl_hwcap) & PPC_FEATURE_64) != 0)
+  /* If the CPU is 64-bit we can use the optional FP instructions.  */
+  if (__CPU_HAS_FSQRT)
     {
       /* Volatile is required to prevent the compiler from moving the 
          fsqrt instruction above the branch.  */
diff --git a/sysdeps/powerpc/powerpc32/bits/atomic.h b/sysdeps/powerpc/powerpc32/bits/atomic.h
index 0f1a72335f..6fcc669fb1 100644
--- a/sysdeps/powerpc/powerpc32/bits/atomic.h
+++ b/sysdeps/powerpc/powerpc32/bits/atomic.h
@@ -89,12 +89,27 @@
 # define __arch_atomic_decrement_if_positive_64(mem) \
     ({ abort (); (*mem)--; })
 
+#ifdef _ARCH_PWR4
+/*
+ * Newer powerpc64 processors support the new "light weight" sync (lwsync)
+ * So if the build is using -mcpu=[power4,power5,power5+,970] we can
+ * safely use lwsync.
+ */
+# define atomic_read_barrier()	__asm ("lwsync" ::: "memory")
+/*
+ * "light weight" sync can also be used for the release barrier.
+ */
+# ifndef UP
+#  define __ARCH_REL_INSTR	"lwsync"
+# endif
+#else
 /*
  * Older powerpc32 processors don't support the new "light weight"
  * sync (lwsync).  So the only safe option is to use normal sync
  * for all powerpc32 applications.
  */
 # define atomic_read_barrier()	__asm ("sync" ::: "memory")
+#endif
 
 /*
  * Include the rest of the atomic ops macros which are common to both
diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions
index fed28f2db0..ad7a8701fd 100644
--- a/sysdeps/unix/sysv/linux/Versions
+++ b/sysdeps/unix/sysv/linux/Versions
@@ -123,6 +123,9 @@ libc {
     #errlist-compat	132
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
+  GLIBC_2.5 {
+    splice; sync_file_range; tee;
+  }
   GLIBC_PRIVATE {
     # functions used in other libraries
     __syscall_rt_sigqueueinfo;
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h b/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h
index c4a9b77e2e..6898fe8743 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 1995-1999, 2000, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 1995-2000, 2004, 2005, 2006 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
@@ -173,10 +173,41 @@ struct flock64
 # define POSIX_FADV_NOREUSE	5 /* Data will be accessed once.  */
 #endif
 
+
+#ifdef __USE_GNU
+# define SYNC_FILE_RANGE_WAIT_BEFORE	1 /* Wait upon writeout of all pages
+					     in the range before performing the
+					     write.  */
+# define SYNC_FILE_RANGE_WRITE		2 /* Initiate writeout of all those
+					     dirty pages in the range which are
+					     not presently under writeback.  */
+# define SYNC_FILE_RANGE_WAIT_AFTER	4 /* Wait upon writeout of all pages in
+					     the range after performing the
+					     write.  */
+#endif
+
 __BEGIN_DECLS
 
+#ifdef __USE_GNU
+
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
+
+/* Selective file content synch'ing.  */
+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
+			    unsigned int __flags);
+
+
+/* Splice two files together.  */
+extern int splice (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+/* In-kernel implementation of tee for pipe buffers.  */
+extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+#endif
+
 __END_DECLS
diff --git a/sysdeps/unix/sysv/linux/bits/socket.h b/sysdeps/unix/sysv/linux/bits/socket.h
index 77e9b83c92..356a2ece74 100644
--- a/sysdeps/unix/sysv/linux/bits/socket.h
+++ b/sysdeps/unix/sysv/linux/bits/socket.h
@@ -1,5 +1,5 @@
 /* System-specific socket constants and types.  Linux version.
-   Copyright (C) 1991,1992,1994-2001, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1991,1992,1994-2001,2004,2006 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
@@ -221,7 +221,10 @@ struct msghdr
     size_t msg_iovlen;		/* Number of elements in the vector.  */
 
     void *msg_control;		/* Ancillary data (eg BSD filedesc passing). */
-    size_t msg_controllen;	/* Ancillary data buffer length.  */
+    size_t msg_controllen;	/* Ancillary data buffer length.
+				   !! The type should be socklen_t but the
+				   definition of the kernel is incompatible
+				   with this.  */
 
     int msg_flags;		/* Flags on received message.  */
   };
@@ -230,7 +233,10 @@ struct msghdr
 struct cmsghdr
   {
     size_t cmsg_len;		/* Length of data in cmsg_data plus length
-				   of cmsghdr structure.  */
+				   of cmsghdr structure.
+				   !! The type should be socklen_t but the
+				   definition of the kernel is incompatible
+				   with this.  */
     int cmsg_level;		/* Originating protocol.  */
     int cmsg_type;		/* Protocol specific type.  */
 #if (!defined __STRICT_ANSI__ && __GNUC__ >= 2) || __STDC_VERSION__ >= 199901L
diff --git a/sysdeps/unix/sysv/linux/check_pf.c b/sysdeps/unix/sysv/linux/check_pf.c
index ae6f71d89c..f186182cf6 100644
--- a/sysdeps/unix/sysv/linux/check_pf.c
+++ b/sysdeps/unix/sysv/linux/check_pf.c
@@ -29,11 +29,18 @@
 #include <linux/netlink.h>
 #include <linux/rtnetlink.h>
 
+#include <not-cancel.h>
 #include <kernel-features.h>
 
 
+#ifndef IFA_F_TEMPORARY
+# define IFA_F_TEMPORARY IFA_F_SECONDARY
+#endif
+
+
 static int
-make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6)
+make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6,
+	      struct in6addrinfo **in6ai, size_t *in6ailen)
 {
   struct
   {
@@ -63,6 +70,12 @@ make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6)
   bool done = false;
   char buf[4096];
   struct iovec iov = { buf, sizeof (buf) };
+  struct in6ailist
+  {
+    struct in6addrinfo info;
+    struct in6ailist *next;
+  } *in6ailist = NULL;
+  size_t in6ailistlen = 0;
 
   do
     {
@@ -101,6 +114,42 @@ make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6)
 		  break;
 		case AF_INET6:
 		  *seen_ipv6 = true;
+
+		  if (ifam->ifa_flags & (IFA_F_DEPRECATED | IFA_F_TEMPORARY))
+		    {
+		      struct rtattr *rta = IFA_RTA (ifam);
+		      size_t len = (nlmh->nlmsg_len
+				    - NLMSG_LENGTH (sizeof (*ifam)));
+		      void *local = NULL;
+		      void *address = NULL;
+		      while (RTA_OK (rta, len))
+			{
+			  switch (rta->rta_type)
+			    {
+			    case IFA_LOCAL:
+			      local = RTA_DATA (rta);
+			      break;
+
+			    case IFA_ADDRESS:
+			      address = RTA_DATA (rta);
+			      break;
+			    }
+
+			  rta = RTA_NEXT (rta, len);
+			}
+
+		      struct in6ailist *newp = alloca (sizeof (*newp));
+		      newp->info.flags = (((ifam->ifa_flags & IFA_F_DEPRECATED)
+					   ? in6ai_deprecated : 0)
+					  | ((ifam->ifa_flags
+					      & IFA_F_TEMPORARY)
+					     ? in6ai_temporary : 0));
+		      memcpy (newp->info.addr, address ?: local,
+			      sizeof (newp->info.addr));
+		      newp->next = in6ailist;
+		      in6ailist = newp;
+		      ++in6ailistlen;
+		    }
 		  break;
 		default:
 		  /* Ignore.  */
@@ -110,12 +159,27 @@ make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6)
 	  else if (nlmh->nlmsg_type == NLMSG_DONE)
 	    /* We found the end, leave the loop.  */
 	    done = true;
-	  else ;
 	}
     }
   while (! done);
 
-  __close (fd);
+  close_not_cancel_no_status (fd);
+
+  if (in6ailist != NULL)
+    {
+      *in6ai = malloc (in6ailistlen * sizeof (**in6ai));
+      if (*in6ai == NULL)
+	return -1;
+
+      *in6ailen = in6ailistlen;
+
+      do
+	{
+	  (*in6ai)[--in6ailistlen] = in6ailist->info;
+	  in6ailist = in6ailist->next;
+	}
+      while (in6ailist != NULL);
+    }
 
   return 0;
 }
@@ -133,8 +197,12 @@ extern int __no_netlink_support attribute_hidden;
 
 void
 attribute_hidden
-__check_pf (bool *seen_ipv4, bool *seen_ipv6)
+__check_pf (bool *seen_ipv4, bool *seen_ipv6,
+	    struct in6addrinfo **in6ai, size_t *in6ailen)
 {
+  *in6ai = NULL;
+  *in6ailen = 0;
+
   if (! __no_netlink_support)
     {
       int fd = __socket (PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
@@ -148,7 +216,8 @@ __check_pf (bool *seen_ipv4, bool *seen_ipv6)
       if (fd >= 0
 	  && __bind (fd, (struct sockaddr *) &nladdr, sizeof (nladdr)) == 0
 	  && __getsockname (fd, (struct sockaddr *) &nladdr, &addr_len) == 0
-	  && make_request (fd, nladdr.nl_pid, seen_ipv4, seen_ipv6) == 0)
+	  && make_request (fd, nladdr.nl_pid, seen_ipv4, seen_ipv6,
+			   in6ai, in6ailen) == 0)
 	/* It worked.  */
 	return;
 
@@ -178,9 +247,6 @@ __check_pf (bool *seen_ipv4, bool *seen_ipv6)
       return;
     }
 
-  *seen_ipv4 = false;
-  *seen_ipv6 = false;
-
   struct ifaddrs *runp;
   for (runp = ifa; runp != NULL; runp = runp->ifa_next)
     if (runp->ifa_addr->sa_family == PF_INET)
diff --git a/sysdeps/unix/sysv/linux/getcwd.c b/sysdeps/unix/sysv/linux/getcwd.c
index 1a308ca38f..911d85f43d 100644
--- a/sysdeps/unix/sysv/linux/getcwd.c
+++ b/sysdeps/unix/sysv/linux/getcwd.c
@@ -87,7 +87,7 @@ __getcwd (char *buf, size_t size)
 	  return NULL;
 	}
 
-      alloc_size = PATH_MAX;
+      alloc_size = MAX (PATH_MAX, __getpagesize ());
     }
 
   if (buf == NULL)
diff --git a/sysdeps/unix/sysv/linux/getsourcefilter.c b/sysdeps/unix/sysv/linux/getsourcefilter.c
index fdcf8d6130..a6f89a3cc9 100644
--- a/sysdeps/unix/sysv/linux/getsourcefilter.c
+++ b/sysdeps/unix/sysv/linux/getsourcefilter.c
@@ -1,5 +1,5 @@
 /* Get source filter.  Linux version.
-   Copyright (C) 2004 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
 
@@ -112,23 +112,27 @@ getsourcefilter (int s, uint32_t interface, const struct sockaddr *group,
   gf->gf_numsrc = *numsrc;
 
   /* We need to provide the appropriate socket level value.  */
+  int result;
   int sol = __get_sol (group->sa_family, grouplen);
   if (sol == -1)
     {
       __set_errno (EINVAL);
-      return -1;
+      result = -1;
     }
-
-  int result = __getsockopt (s, sol, MCAST_MSFILTER, gf, &needed);
-
-  /* If successful, copy the results to the places the caller wants
-     them in.  */
-  if (result == 0)
+  else
     {
-      *fmode = gf->gf_fmode;
-      memcpy (slist, gf->gf_slist,
-	      MIN (*numsrc, gf->gf_numsrc) * sizeof (struct sockaddr_storage));
-      *numsrc = gf->gf_numsrc;
+      result = __getsockopt (s, sol, MCAST_MSFILTER, gf, &needed);
+
+      /* If successful, copy the results to the places the caller wants
+	 them in.  */
+      if (result == 0)
+	{
+	  *fmode = gf->gf_fmode;
+	  memcpy (slist, gf->gf_slist,
+		  MIN (*numsrc, gf->gf_numsrc)
+		  * sizeof (struct sockaddr_storage));
+	  *numsrc = gf->gf_numsrc;
+	}
     }
 
   if (! use_alloca)
diff --git a/sysdeps/unix/sysv/linux/i386/bits/fcntl.h b/sysdeps/unix/sysv/linux/i386/bits/fcntl.h
index 9065825b98..a375888106 100644
--- a/sysdeps/unix/sysv/linux/i386/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/i386/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004
+   Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004, 2006
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -180,10 +180,41 @@ struct flock64
 # define POSIX_FADV_NOREUSE	5 /* Data will be accessed once.  */
 #endif
 
+
+#ifdef __USE_GNU
+# define SYNC_FILE_RANGE_WAIT_BEFORE	1 /* Wait upon writeout of all pages
+					     in the range before performing the
+					     write.  */
+# define SYNC_FILE_RANGE_WRITE		2 /* Initiate writeout of all those
+					     dirty pages in the range which are
+					     not presently under writeback.  */
+# define SYNC_FILE_RANGE_WAIT_AFTER	4 /* Wait upon writeout of all pages in
+					     the range after performing the
+					     write.  */
+#endif
+
 __BEGIN_DECLS
 
+#ifdef __USE_GNU
+
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
+
+/* Selective file content synch'ing.  */
+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
+			    unsigned int __flags);
+
+
+/* Splice two files together.  */
+extern int splice (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+/* In-kernel implementation of tee for pipe buffers.  */
+extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+#endif
+
 __END_DECLS
diff --git a/sysdeps/unix/sysv/linux/i386/sync_file_range.S b/sysdeps/unix/sysv/linux/i386/sync_file_range.S
new file mode 100644
index 0000000000..f39e8a00d7
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/sync_file_range.S
@@ -0,0 +1,72 @@
+/* Selective file content synch'ing.
+   Copyright (C) 2006 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
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+#define _ERRNO_H        1
+#include <bits/errno.h>
+
+
+	.text
+ENTRY (sync_file_range)
+#ifdef __NR_sync_file_range
+	pushl	%ebx
+	cfi_adjust_cfa_offset (4)
+	pushl	%esi
+	cfi_adjust_cfa_offset (4)
+	pushl	%edi
+	cfi_adjust_cfa_offset (4)
+	pushl	%ebp
+	cfi_adjust_cfa_offset (4)
+
+	movl	20(%esp), %ebx
+	cfi_rel_offset (ebx, 12)
+	movl	24(%esp), %ecx
+	movl	28(%esp), %edx
+	movl	32(%esp), %esi
+	cfi_rel_offset (esi, 8)
+	movl	36(%esp), %edi
+	cfi_rel_offset (edi, 4)
+	movl	40(%esp), %ebp
+	cfi_rel_offset (ebp, 0)
+
+	movl	$SYS_ify(sync_file_range), %eax
+	ENTER_KERNEL
+
+	popl	%ebp
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (ebp)
+	popl	%edi
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (edi)
+	popl	%esi
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (esi)
+	popl	%ebx
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (ebx)
+
+	cmpl	$-4095, %eax
+	jae	SYSCALL_ERROR_LABEL
+L(pseudo_end):
+	ret
+#else
+	movl	$-ENOSYS, %eax
+	jmp	SYSCALL_ERROR_LABEL
+#endif
+PSEUDO_END (sync_file_range)
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h
index cb5767955c..90423d8434 100644
--- a/sysdeps/unix/sysv/linux/i386/sysdep.h
+++ b/sysdeps/unix/sysv/linux/i386/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992,1993,1995,1996,1997,1998,1999,2000,2002,2003,2004,2005
+/* Copyright (C) 1992,1993,1995-2000,2002-2005,2006
    	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper, <drepper@gnu.org>, August 1995.
@@ -447,7 +447,7 @@ asm (".L__X'%ebx = 1\n\t"
 
 #define LOADARGS_0
 #ifdef __PIC__
-# if defined I386_USE_SYSENTER
+# if defined I386_USE_SYSENTER && defined SHARED
 #  define LOADARGS_1 \
     "bpushl .L__X'%k3, %k3\n\t"
 #  define LOADARGS_5 \
diff --git a/sysdeps/unix/sysv/linux/ia64/bits/fcntl.h b/sysdeps/unix/sysv/linux/ia64/bits/fcntl.h
index d330954d48..63a771ddb9 100644
--- a/sysdeps/unix/sysv/linux/ia64/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/ia64/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/IA64.
-   Copyright (C) 1999, 2000, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2000, 2004, 2006 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
@@ -174,10 +174,41 @@ struct flock64
 # define POSIX_FADV_NOREUSE	5 /* Data will be accessed once.  */
 #endif
 
+
+#ifdef __USE_GNU
+# define SYNC_FILE_RANGE_WAIT_BEFORE	1 /* Wait upon writeout of all pages
+					     in the range before performing the
+					     write.  */
+# define SYNC_FILE_RANGE_WRITE		2 /* Initiate writeout of all those
+					     dirty pages in the range which are
+					     not presently under writeback.  */
+# define SYNC_FILE_RANGE_WAIT_AFTER	4 /* Wait upon writeout of all pages in
+					     the range after performing the
+					     write.  */
+#endif
+
 __BEGIN_DECLS
 
+#ifdef __USE_GNU
+
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
+
+/* Selective file content synch'ing.  */
+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
+			    unsigned int __flags);
+
+
+/* Splice two files together.  */
+extern int splice (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+/* In-kernel implementation of tee for pipe buffers.  */
+extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+#endif
+
 __END_DECLS
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index 37d25b1a5c..139e3d5a72 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -85,6 +85,12 @@
 # define __ASSUME_SENDFILE		1
 #endif
 
+/* Only very old kernels had no real symlinks for terminal descriptors
+   in /proc/self/fd.  */
+#if __LINUX_KERNEL_VERSION >= 131584
+# define __ASSUME_PROC_SELF_FD_SYMLINK	1
+#endif
+
 /* On x86 another `getrlimit' syscall was added in 2.3.25.  */
 #if __LINUX_KERNEL_VERSION >= 131865 && defined __i386__
 # define __ASSUME_NEW_GETRLIMIT_SYSCALL	1
diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h b/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h
index 19649c01c7..2219271a1b 100644
--- a/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/PowerPC.
-   Copyright (C) 1995, 1996, 1997, 1998, 2000, 2003, 2004
+   Copyright (C) 1995, 1996, 1997, 1998, 2000, 2003, 2004, 2006
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -180,10 +180,41 @@ struct flock64
 # define POSIX_FADV_NOREUSE	5 /* Data will be accessed once.  */
 #endif
 
+
+#ifdef __USE_GNU
+# define SYNC_FILE_RANGE_WAIT_BEFORE	1 /* Wait upon writeout of all pages
+					     in the range before performing the
+					     write.  */
+# define SYNC_FILE_RANGE_WRITE		2 /* Initiate writeout of all those
+					     dirty pages in the range which are
+					     not presently under writeback.  */
+# define SYNC_FILE_RANGE_WAIT_AFTER	4 /* Wait upon writeout of all pages in
+					     the range after performing the
+					     write.  */
+#endif
+
 __BEGIN_DECLS
 
+#ifdef __USE_GNU
+
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
+
+/* Selective file content synch'ing.  */
+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
+			    unsigned int __flags);
+
+
+/* Splice two files together.  */
+extern int splice (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+/* In-kernel implementation of tee for pipe buffers.  */
+extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+#endif
+
 __END_DECLS
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
index f4c92ad7c7..37b777799c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
@@ -84,6 +84,10 @@ ENTRY (BP_SYM (__clone))
 	mr	r6,r8
 	mr	r7,r9
 
+	/* End FDE now, because in the child the unwind info will be
+	   wrong.  */
+	cfi_endproc
+
 	/* Do the call.  */
 	DO_CALL(SYS_ify(clone))
 
@@ -138,6 +142,8 @@ L(parent):
 L(badargs):
 	li	r3,EINVAL
 	b	__syscall_error@local
+
+	cfi_startproc
 END (BP_SYM (__clone))
 
 weak_alias (BP_SYM (__clone), BP_SYM (clone))
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
index 366206d286..f1a55e64db 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
@@ -81,6 +81,10 @@ ENTRY (BP_SYM (__clone))
 	mr	r6,r8
 	mr	r7,r9
 
+	/* End FDE now, because in the child the unwind info will be
+	   wrong.  */
+	cfi_endproc
+
 	/* Do the call.  */
 	DO_CALL(SYS_ify(clone))
 
@@ -132,6 +136,8 @@ L(parent):
 L(badargs):
 	li	r3,EINVAL
 	b	JUMPTARGET(__syscall_error)
+
+	cfi_startproc
 END (BP_SYM (__clone))
 
 weak_alias (BP_SYM (__clone), BP_SYM (clone))
diff --git a/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h b/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h
index d2d5972411..577689f18d 100644
--- a/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h
+++ b/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h
@@ -35,7 +35,7 @@ __BEGIN_DECLS
 /* These definitions are normally provided by ucontext.h via 
    asm/sigcontext.h, asm/ptrace.h, and asm/elf.h.  Otherwise we define 
    them here.  */ 
-#ifndef __PPC64_ELF_H
+#if !defined __PPC64_ELF_H && !defined _ASM_POWERPC_ELF_H
 #define ELF_NGREG       48      /* includes nip, msr, lr, etc. */
 #define ELF_NFPREG      33      /* includes fpscr */
 #if __WORDSIZE == 32
diff --git a/sysdeps/unix/sysv/linux/readlinkat.c b/sysdeps/unix/sysv/linux/readlinkat.c
index c2f21ee4ca..9b4a730c0e 100644
--- a/sysdeps/unix/sysv/linux/readlinkat.c
+++ b/sysdeps/unix/sysv/linux/readlinkat.c
@@ -29,7 +29,7 @@
 
 /* Read the contents of the symbolic link PATH relative to FD into no
    more than LEN bytes of BUF.  */
-int
+ssize_t
 readlinkat (fd, path, buf, len)
      int fd;
      const char *path;
diff --git a/sysdeps/unix/sysv/linux/s390/bits/fcntl.h b/sysdeps/unix/sysv/linux/s390/bits/fcntl.h
index 8c47077580..ad3ef420a1 100644
--- a/sysdeps/unix/sysv/linux/s390/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/s390/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2002, 2004, 2006 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
@@ -199,10 +199,41 @@ struct flock64
 # endif
 #endif
 
+
+#ifdef __USE_GNU
+# define SYNC_FILE_RANGE_WAIT_BEFORE	1 /* Wait upon writeout of all pages
+					     in the range before performing the
+					     write.  */
+# define SYNC_FILE_RANGE_WRITE		2 /* Initiate writeout of all those
+					     dirty pages in the range which are
+					     not presently under writeback.  */
+# define SYNC_FILE_RANGE_WAIT_AFTER	4 /* Wait upon writeout of all pages in
+					     the range after performing the
+					     write.  */
+#endif
+
 __BEGIN_DECLS
 
+#ifdef __USE_GNU
+
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
+
+/* Selective file content synch'ing.  */
+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
+			    unsigned int __flags);
+
+
+/* Splice two files together.  */
+extern int splice (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+/* In-kernel implementation of tee for pipe buffers.  */
+extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+#endif
+
 __END_DECLS
diff --git a/sysdeps/unix/sysv/linux/setsourcefilter.c b/sysdeps/unix/sysv/linux/setsourcefilter.c
index f5c4d9786f..dc223de844 100644
--- a/sysdeps/unix/sysv/linux/setsourcefilter.c
+++ b/sysdeps/unix/sysv/linux/setsourcefilter.c
@@ -1,5 +1,5 @@
 /* Set source filter.  Linux version.
-   Copyright (C) 2004 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
 
@@ -57,14 +57,15 @@ setsourcefilter (int s, uint32_t interface, const struct sockaddr *group,
   memcpy (gf->gf_slist, slist, numsrc * sizeof (struct sockaddr_storage));
 
   /* We need to provide the appropriate socket level value.  */
+  int result;
   int sol = __get_sol (group->sa_family, grouplen);
   if (sol == -1)
     {
       __set_errno (EINVAL);
-      return -1;
+      result = -1;
     }
-
-  int result = __setsockopt (s, sol, MCAST_MSFILTER, gf, needed);
+  else
+    result = __setsockopt (s, sol, MCAST_MSFILTER, gf, needed);
 
   if (! use_alloca)
     {
diff --git a/sysdeps/unix/sysv/linux/sh/bits/fcntl.h b/sysdeps/unix/sysv/linux/sh/bits/fcntl.h
index 9065825b98..a375888106 100644
--- a/sysdeps/unix/sysv/linux/sh/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/sh/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004
+   Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004, 2006
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -180,10 +180,41 @@ struct flock64
 # define POSIX_FADV_NOREUSE	5 /* Data will be accessed once.  */
 #endif
 
+
+#ifdef __USE_GNU
+# define SYNC_FILE_RANGE_WAIT_BEFORE	1 /* Wait upon writeout of all pages
+					     in the range before performing the
+					     write.  */
+# define SYNC_FILE_RANGE_WRITE		2 /* Initiate writeout of all those
+					     dirty pages in the range which are
+					     not presently under writeback.  */
+# define SYNC_FILE_RANGE_WAIT_AFTER	4 /* Wait upon writeout of all pages in
+					     the range after performing the
+					     write.  */
+#endif
+
 __BEGIN_DECLS
 
+#ifdef __USE_GNU
+
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
+
+/* Selective file content synch'ing.  */
+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
+			    unsigned int __flags);
+
+
+/* Splice two files together.  */
+extern int splice (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+/* In-kernel implementation of tee for pipe buffers.  */
+extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+#endif
+
 __END_DECLS
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/fcntl.h b/sysdeps/unix/sysv/linux/sparc/bits/fcntl.h
index 5dc8bf32f0..b3788f0daf 100644
--- a/sysdeps/unix/sysv/linux/sparc/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/SPARC.
-   Copyright (C) 1995, 1996, 1997, 1998, 2000, 2003, 2004
+   Copyright (C) 1995, 1996, 1997, 1998, 2000, 2003, 2004, 2006
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -199,10 +199,41 @@ struct flock64
 # define POSIX_FADV_NOREUSE	5 /* Data will be accessed once.  */
 #endif
 
+
+#ifdef __USE_GNU
+# define SYNC_FILE_RANGE_WAIT_BEFORE	1 /* Wait upon writeout of all pages
+					     in the range before performing the
+					     write.  */
+# define SYNC_FILE_RANGE_WRITE		2 /* Initiate writeout of all those
+					     dirty pages in the range which are
+					     not presently under writeback.  */
+# define SYNC_FILE_RANGE_WAIT_AFTER	4 /* Wait upon writeout of all pages in
+					     the range after performing the
+					     write.  */
+#endif
+
 __BEGIN_DECLS
 
+#ifdef __USE_GNU
+
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
+
+/* Selective file content synch'ing.  */
+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
+			    unsigned int __flags);
+
+
+/* Splice two files together.  */
+extern int splice (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+/* In-kernel implementation of tee for pipe buffers.  */
+extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+#endif
+
 __END_DECLS
diff --git a/sysdeps/unix/sysv/linux/sync_file_range.c b/sysdeps/unix/sysv/linux/sync_file_range.c
new file mode 100644
index 0000000000..aabe192341
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sync_file_range.c
@@ -0,0 +1,46 @@
+/* Selective file content synch'ing.
+   Copyright (C) 2006 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
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/types.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+
+#ifdef __NR_sync_file_range
+int
+sync_file_range (int fd, __off64_t from, __off64_t to, int flags)
+{
+  return INLINE_SYSCALL (sync_file_range, 6, fd, (off_t) (from >> 32),
+			 (off_t) (from & 0xffffffff), (off_t) (to >> 32),
+			 (off_t) (to & 0xffffffff), flags);
+}
+#else
+int
+sync_file_range (int fd, __off64_t from, __off64_t to, int flags)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (sync_file_range)
+
+# include <stub-tag.h>
+#endif
diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list
index 053d7e0ccf..6bfccd26aa 100644
--- a/sysdeps/unix/sysv/linux/syscalls.list
+++ b/sysdeps/unix/sysv/linux/syscalls.list
@@ -70,9 +70,11 @@ setfsgid	EXTRA	setfsgid	i:i	setfsgid
 setfsuid	EXTRA	setfsuid	i:i	setfsuid
 setpgid		-	setpgid		i:ii	__setpgid	setpgid
 sigaltstack	-	sigaltstack	i:PP	__sigaltstack	sigaltstack
+splice		EXTRA	splice		i:iiii	splice
 sysinfo		EXTRA	sysinfo		i:p	sysinfo
 swapon		-	swapon		i:si	__swapon	swapon
 swapoff		-	swapoff		i:s	__swapoff	swapoff
+tee		EXTRA	tee		i:iiii	tee
 unshare		EXTRA	unshare		i:i	unshare
 uselib		EXTRA	uselib		i:s	uselib
 wait4		-	wait4		i:iWiP	__wait4		wait4
diff --git a/sysdeps/unix/sysv/linux/ttyname.c b/sysdeps/unix/sysv/linux/ttyname.c
index 68d24f195e..aed0fd8e0a 100644
--- a/sysdeps/unix/sysv/linux/ttyname.c
+++ b/sysdeps/unix/sysv/linux/ttyname.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,93,1996-2001,2002 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,93,1996-2002,2006 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
@@ -27,6 +27,7 @@
 #include <stdlib.h>
 
 #include <stdio-common/_itoa.h>
+#include <kernel-features.h>
 
 #if 0
 /* Is this used anywhere?  It is not exported.  */
@@ -41,7 +42,7 @@ static char *getttyname (const char *dev, dev_t mydev,
 libc_freeres_ptr (static char *getttyname_name);
 
 static char *
-internal_function
+internal_function attribute_compat_text_section
 getttyname (const char *dev, dev_t mydev, ino64_t myino, int save, int *dostat)
 {
   static size_t namelen;
@@ -117,10 +118,12 @@ ttyname (int fd)
   int dostat = 0;
   char *name;
   int save = errno;
-  int len;
 
-  if (!__isatty (fd))
-    return NULL;
+  if (__builtin_expect (!__isatty (fd), 0))
+    {
+      __set_errno (ENOTTY);
+      return NULL;
+    }
 
   /* We try using the /proc filesystem.  */
   *_fitoa_word (fd, __stpcpy (procname, "/proc/self/fd/"), 10, 0) = '\0';
@@ -136,10 +139,19 @@ ttyname (int fd)
 	}
     }
 
-  len = __readlink (procname, ttyname_buf, buflen);
-  if (len != -1
-      /* This is for Linux 2.0.  */
-      && ttyname_buf[0] != '[')
+  ssize_t len = __readlink (procname, ttyname_buf, buflen);
+  if (__builtin_expect (len == -1 && errno == ENOENT, 0))
+    {
+      __set_errno (EBADF);
+      return NULL;
+    }
+
+  if (__builtin_expect (len != -1
+#ifndef __ASSUME_PROC_SELF_FD_SYMLINK
+			/* This is for Linux 2.0.  */
+			&& ttyname_buf[0] != '['
+#endif
+			, 1))
     {
       if ((size_t) len >= buflen)
 	return NULL;
diff --git a/sysdeps/unix/sysv/linux/ttyname_r.c b/sysdeps/unix/sysv/linux/ttyname_r.c
index eee4d862b2..bd415f167b 100644
--- a/sysdeps/unix/sysv/linux/ttyname_r.c
+++ b/sysdeps/unix/sysv/linux/ttyname_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,93,1995-2001, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,93,1995-2001,2003,2006 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
@@ -27,13 +27,14 @@
 #include <stdlib.h>
 
 #include <stdio-common/_itoa.h>
+#include <kernel-features.h>
 
 static int getttyname_r (char *buf, size_t buflen,
 			 dev_t mydev, ino64_t myino, int save,
 			 int *dostat) internal_function;
 
 static int
-internal_function
+internal_function attribute_compat_text_section
 getttyname_r (char *buf, size_t buflen, dev_t mydev, ino64_t myino,
 	      int save, int *dostat)
 {
@@ -99,7 +100,6 @@ __ttyname_r (int fd, char *buf, size_t buflen)
   struct stat64 st, st1;
   int dostat = 0;
   int save = errno;
-  int ret;
 
   /* Test for the absolute minimal size.  This makes life easier inside
      the loop.  */
@@ -115,29 +115,34 @@ __ttyname_r (int fd, char *buf, size_t buflen)
       return ERANGE;
     }
 
+  if (__builtin_expect (!__isatty (fd), 0))
+    {
+      __set_errno (ENOTTY);
+      return ENOTTY;
+    }
+
   /* We try using the /proc filesystem.  */
   *_fitoa_word (fd, __stpcpy (procname, "/proc/self/fd/"), 10, 0) = '\0';
 
-  ret = __readlink (procname, buf, buflen - 1);
-  if (ret == -1 && errno == ENOENT)
+  ssize_t ret = __readlink (procname, buf, buflen - 1);
+  if (__builtin_expect (ret == -1 && errno == ENOENT, 0))
     {
       __set_errno (EBADF);
       return EBADF;
     }
 
-  if (!__isatty (fd))
-    {
-      __set_errno (ENOTTY);
-      return ENOTTY;
-    }
-
-  if (ret == -1 && errno == ENAMETOOLONG)
+  if (__builtin_expect (ret == -1 && errno == ENAMETOOLONG, 0))
     {
       __set_errno (ERANGE);
       return ERANGE;
     }
 
-  if (ret != -1 && buf[0] != '[')
+  if (__builtin_expect (ret != -1
+#ifndef __ASSUME_PROC_SELF_FD_SYMLINK
+			/* This is for Linux 2.0.  */
+			&& buf[0] != '['
+#endif
+			, 1))
     {
       buf[ret] = '\0';
       return 0;
diff --git a/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list b/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list
index 58904fc4d4..d377db9687 100644
--- a/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list
+++ b/sysdeps/unix/sysv/linux/wordsize-64/syscalls.list
@@ -14,3 +14,4 @@ getrlimit	-	getrlimit	i:ip	__getrlimit	getrlimit getrlimit64
 setrlimit	-	setrlimit	i:ip	__setrlimit	setrlimit setrlimit64
 readahead	-	readahead	i:iii	__readahead	readahead
 sendfile	-	sendfile	i:iipi	sendfile	sendfile64
+sync_file_range	-	sync_file_range	i:iiii	sync_file_range
diff --git a/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h b/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h
index 9198c70bd4..2351737f7c 100644
--- a/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/x86-64.
-   Copyright (C) 2001, 2002, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2002, 2004, 2006 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
@@ -194,10 +194,41 @@ struct flock64
 # define POSIX_FADV_NOREUSE	5 /* Data will be accessed once.  */
 #endif
 
+
+#ifdef __USE_GNU
+# define SYNC_FILE_RANGE_WAIT_BEFORE	1 /* Wait upon writeout of all pages
+					     in the range before performing the
+					     write.  */
+# define SYNC_FILE_RANGE_WRITE		2 /* Initiate writeout of all those
+					     dirty pages in the range which are
+					     not presently under writeback.  */
+# define SYNC_FILE_RANGE_WAIT_AFTER	4 /* Wait upon writeout of all pages in
+					     the range after performing the
+					     write.  */
+#endif
+
 __BEGIN_DECLS
 
+#ifdef __USE_GNU
+
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
+
+/* Selective file content synch'ing.  */
+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
+			    unsigned int __flags);
+
+
+/* Splice two files together.  */
+extern int splice (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+/* In-kernel implementation of tee for pipe buffers.  */
+extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+#endif
+
 __END_DECLS