Updated to fedora-glibc-20071017T2007

14 files changed, 92 insertions, 41 deletions

diff --git a/sysdeps/i386/elf/configure b/sysdeps/i386/elf/configure
index 1182d974bc..12e92cd0eb 100755
--- a/sysdeps/i386/elf/configure
+++ b/sysdeps/i386/elf/configure
@@ -4,8 +4,8 @@
 if test "$usetls" != no; then
 # Check for support of thread-local storage handling in assembler and
 # linker.
-echo "$as_me:$LINENO: checking for i386 TLS support" >&5
-echo $ECHO_N "checking for i386 TLS support... $ECHO_C" >&6
+{ echo "$as_me:$LINENO: checking for i386 TLS support" >&5
+echo $ECHO_N "checking for i386 TLS support... $ECHO_C" >&6; }
 if test "${libc_cv_386_tls+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -37,8 +37,8 @@ else
 fi
 rm -f conftest*
 fi
-echo "$as_me:$LINENO: result: $libc_cv_386_tls" >&5
-echo "${ECHO_T}$libc_cv_386_tls" >&6
+{ echo "$as_me:$LINENO: result: $libc_cv_386_tls" >&5
+echo "${ECHO_T}$libc_cv_386_tls" >&6; }
 if test $libc_cv_386_tls = yes; then
   cat >>confdefs.h <<\_ACEOF
 #define HAVE_TLS_SUPPORT 1
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index 8f37ec5c11..8cf9c6bdfe 100644
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -1426,10 +1426,13 @@ in6aicmp (const void *p1, const void *p2)
 #define GAICONF_FNAME "/etc/gai.conf"
 
 
-/* Nozero if we are supposed to reload the config file automatically
+/* Non-zero if we are supposed to reload the config file automatically
    whenever it changed.  */
 static int gaiconf_reload_flag;
 
+/* Non-zero if gaiconf_reload_flag was ever set to true.  */
+static int gaiconf_reload_flag_ever_set;
+
 /* Last modification time.  */
 static struct timespec gaiconf_mtime;
 
@@ -1611,7 +1614,11 @@ gaiconf_init (void)
 
 	    case 6:
 	      if (strcmp (cmd, "reload") == 0)
-		gaiconf_reload_flag = strcmp (val1, "yes") == 0;
+		{
+		  gaiconf_reload_flag = strcmp (val1, "yes") == 0;
+		  if (gaiconf_reload_flag)
+		    gaiconf_reload_flag_ever_set = 1;
+		}
 	      break;
 
 	    case 10:
@@ -1934,9 +1941,6 @@ getaddrinfo (const char *name, const char *service,
       __libc_once_define (static, once);
       __typeof (once) old_once = once;
       __libc_once (once, gaiconf_init);
-      if (old_once && gaiconf_reload_flag)
-	gaiconf_reload ();
-
       /* Sort results according to RFC 3484.  */
       struct sort_result results[nresults];
       struct addrinfo *q;
@@ -2055,7 +2059,18 @@ getaddrinfo (const char *name, const char *service,
 
       /* We got all the source addresses we can get, now sort using
 	 the information.  */
-      qsort (results, nresults, sizeof (results[0]), rfc3484_sort);
+      if (__builtin_expect (gaiconf_reload_flag_ever_set, 0))
+	{
+	  __libc_lock_define_initialized (static, lock);
+
+	  __libc_lock_lock (lock);
+	  if (old_once && gaiconf_reload_flag)
+	    gaiconf_reload ();
+	  qsort (results, nresults, sizeof (results[0]), rfc3484_sort);
+	  __libc_lock_unlock (lock);
+	}
+      else
+	qsort (results, nresults, sizeof (results[0]), rfc3484_sort);
 
       /* Queue the results up as they come out of sorting.  */
       q = p = results[0].dest_addr;
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h b/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h
index 7c93183ad4..710bace21f 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h
@@ -93,6 +93,8 @@
 # define F_SETLEASE	1024	/* Set a lease.	 */
 # define F_GETLEASE	1025	/* Enquire what lease is active.  */
 # define F_NOTIFY	1026	/* Request notfications on a directory.	 */
+# define F_DUPFD_CLOEXEC 1030	/* Duplicate file descriptor with
+				   close-on-exit set.  */
 #endif
 
 /* for F_[GET|SET]FD */
diff --git a/sysdeps/unix/sysv/linux/i386/bits/fcntl.h b/sysdeps/unix/sysv/linux/i386/bits/fcntl.h
index 1ad51ad6b0..fdf0df3cd8 100644
--- a/sysdeps/unix/sysv/linux/i386/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/i386/bits/fcntl.h
@@ -98,6 +98,8 @@
 # define F_SETLEASE	1024	/* Set a lease.	 */
 # define F_GETLEASE	1025	/* Enquire what lease is active.  */
 # define F_NOTIFY	1026	/* Request notfications on a directory.	 */
+# define F_DUPFD_CLOEXEC 1030	/* Duplicate file descriptor with
+				   close-on-exit set.  */
 #endif
 
 /* For F_[GET|SET]FD.  */
diff --git a/sysdeps/unix/sysv/linux/ia64/bits/fcntl.h b/sysdeps/unix/sysv/linux/ia64/bits/fcntl.h
index 69bc39f692..c5d5c150d3 100644
--- a/sysdeps/unix/sysv/linux/ia64/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/ia64/bits/fcntl.h
@@ -94,6 +94,8 @@
 # define F_SETLEASE	1024	/* Set a lease.	 */
 # define F_GETLEASE	1025	/* Enquire what lease is active.  */
 # define F_NOTIFY	1026	/* Request notfications on a directory.	 */
+# define F_DUPFD_CLOEXEC 1030	/* Duplicate file descriptor with
+				   close-on-exit set.  */
 #endif
 
 /* For F_[GET|SET]FD.  */
diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h b/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h
index 0ad99b5eae..556e83da20 100644
--- a/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h
@@ -98,6 +98,8 @@
 # define F_SETLEASE	1024	/* Set a lease.	 */
 # define F_GETLEASE	1025	/* Enquire what lease is active.  */
 # define F_NOTIFY	1026	/* Request notfications on a directory.	 */
+# define F_DUPFD_CLOEXEC 1030	/* Duplicate file descriptor with
+				   close-on-exit set.  */
 #endif
 
 /* For F_[GET|SET]FD.  */
diff --git a/sysdeps/unix/sysv/linux/s390/bits/fcntl.h b/sysdeps/unix/sysv/linux/s390/bits/fcntl.h
index c26e0e7710..e0cc664789 100644
--- a/sysdeps/unix/sysv/linux/s390/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/s390/bits/fcntl.h
@@ -113,6 +113,8 @@
 # define F_SETLEASE	1024	/* Set a lease.	 */
 # define F_GETLEASE	1025	/* Enquire what lease is active.  */
 # define F_NOTIFY	1026	/* Request notfications on a directory.	 */
+# define F_DUPFD_CLOEXEC 1030	/* Duplicate file descriptor with
+				   close-on-exit set.  */
 #endif
 
 /* For F_[GET|SET]FD.  */
diff --git a/sysdeps/unix/sysv/linux/sh/bits/fcntl.h b/sysdeps/unix/sysv/linux/sh/bits/fcntl.h
index 1ad51ad6b0..fdf0df3cd8 100644
--- a/sysdeps/unix/sysv/linux/sh/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/sh/bits/fcntl.h
@@ -98,6 +98,8 @@
 # define F_SETLEASE	1024	/* Set a lease.	 */
 # define F_GETLEASE	1025	/* Enquire what lease is active.  */
 # define F_NOTIFY	1026	/* Request notfications on a directory.	 */
+# define F_DUPFD_CLOEXEC 1030	/* Duplicate file descriptor with
+				   close-on-exit set.  */
 #endif
 
 /* For F_[GET|SET]FD.  */
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/fcntl.h b/sysdeps/unix/sysv/linux/sparc/bits/fcntl.h
index ebfeb605ae..c5c035c620 100644
--- a/sysdeps/unix/sysv/linux/sparc/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/fcntl.h
@@ -105,6 +105,8 @@
 # define F_SETLEASE     1024	/* Set a lease.  */
 # define F_GETLEASE     1025	/* Enquire what lease is active.  */
 # define F_NOTIFY       1026	/* Request notfications on a directory.  */
+# define F_DUPFD_CLOEXEC 1030	/* Duplicate file descriptor with
+				   close-on-exit set.  */
 #endif
 
 #if __WORDSIZE == 64
diff --git a/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h b/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h
index f1fd3c4e41..cf96ac7599 100644
--- a/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h
@@ -112,6 +112,8 @@
 # define F_SETLEASE	1024	/* Set a lease.	 */
 # define F_GETLEASE	1025	/* Enquire what lease is active.  */
 # define F_NOTIFY	1026	/* Request notfications on a directory.	 */
+# define F_DUPFD_CLOEXEC 1030	/* Duplicate file descriptor with
+				   close-on-exit set.  */
 #endif
 
 /* For F_[GET|SET]FD.  */
diff --git a/sysdeps/x86_64/bzero.S b/sysdeps/x86_64/bzero.S
index 2688f456b5..f96d567fd8 100644
--- a/sysdeps/x86_64/bzero.S
+++ b/sysdeps/x86_64/bzero.S
@@ -1,3 +1 @@
-#define memset __bzero
-#include <sysdeps/x86_64/memset.S>
-weak_alias (__bzero, bzero)
+/* Implemented in memset.S.  */
diff --git a/sysdeps/x86_64/cacheinfo.c b/sysdeps/x86_64/cacheinfo.c
index 12102fea81..83e7b3c60b 100644
--- a/sysdeps/x86_64/cacheinfo.c
+++ b/sysdeps/x86_64/cacheinfo.c
@@ -404,9 +404,24 @@ long int __x86_64_data_cache_size_half attribute_hidden = 32 * 1024 / 2;
 /* Shared cache size for use in memory and string routines, typically
    L2 or L3 size.  */
 long int __x86_64_shared_cache_size_half attribute_hidden = 1024 * 1024 / 2;
+#ifdef NOT_USED_RIGHT_NOW
+long int __x86_64_shared_cache_size attribute_hidden = 1024 * 1024;
+#endif
 /* PREFETCHW support flag for use in memory and string routines.  */
 int __x86_64_prefetchw attribute_hidden;
 
+#ifdef NOT_USED_RIGHT_NOW
+/* Instructions preferred for memory and string routines.
+
+  0: Regular instructions
+  1: MMX instructions
+  2: SSE2 instructions
+  3: SSSE3 instructions
+
+  */
+int __x86_64_preferred_memory_instruction attribute_hidden;
+#endif
+
 
 static void
 __attribute__((constructor))
@@ -444,6 +459,19 @@ init_cacheinfo (void)
           shared = handle_intel (_SC_LEVEL2_CACHE_SIZE, max_cpuid);
 	}
 
+      asm volatile ("cpuid"
+		    : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
+		    : "0" (1));
+
+#ifdef NOT_USED_RIGHT_NOW
+      /* Intel prefers SSSE3 instructions for memory/string rountines
+	 if they are avaiable.  */
+      if ((ecx & 0x200))
+	__x86_64_preferred_memory_instruction = 3;
+      else
+	__x86_64_preferred_memory_instruction = 2;
+#endif
+
       /* Figure out the number of logical threads that share the
 	 highest cache level.  */
       if (max_cpuid >= 4)
@@ -472,9 +500,6 @@ init_cacheinfo (void)
         {
 	intel_bug_no_cache_info:
 	  /* Assume that all logical threads share the highest cache level.  */
-          asm volatile ("cpuid"
-		        : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
-		        : "0" (1));
 
 	  threads = (ebx >> 16) & 0xff;
 	}
@@ -549,5 +574,10 @@ init_cacheinfo (void)
     __x86_64_data_cache_size_half = data / 2;
 
   if (shared > 0)
-    __x86_64_shared_cache_size_half = shared / 2;
+    {
+      __x86_64_shared_cache_size_half = shared / 2;
+#ifdef NOT_USED_RIGHT_NOW
+      __x86_64_shared_cache_size = shared;
+#endif
+    }
 }
diff --git a/sysdeps/x86_64/elf/configure b/sysdeps/x86_64/elf/configure
index 24eff6284d..7a2e3004a5 100755
--- a/sysdeps/x86_64/elf/configure
+++ b/sysdeps/x86_64/elf/configure
@@ -3,8 +3,8 @@
 
 if test "$usetls" != no; then
 # Check for support of thread-local storage handling in assembler and linker.
-echo "$as_me:$LINENO: checking for x86-64 TLS support" >&5
-echo $ECHO_N "checking for x86-64 TLS support... $ECHO_C" >&6
+{ echo "$as_me:$LINENO: checking for x86-64 TLS support" >&5
+echo $ECHO_N "checking for x86-64 TLS support... $ECHO_C" >&6; }
 if test "${libc_cv_x86_64_tls+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -33,8 +33,8 @@ else
 fi
 rm -f conftest*
 fi
-echo "$as_me:$LINENO: result: $libc_cv_x86_64_tls" >&5
-echo "${ECHO_T}$libc_cv_x86_64_tls" >&6
+{ echo "$as_me:$LINENO: result: $libc_cv_x86_64_tls" >&5
+echo "${ECHO_T}$libc_cv_x86_64_tls" >&6; }
 if test $libc_cv_x86_64_tls = yes; then
   cat >>confdefs.h <<\_ACEOF
 #define HAVE_TLS_SUPPORT 1
diff --git a/sysdeps/x86_64/memset.S b/sysdeps/x86_64/memset.S
index 1c421c75f3..db39b09c89 100644
--- a/sysdeps/x86_64/memset.S
+++ b/sysdeps/x86_64/memset.S
@@ -1,6 +1,6 @@
 /* memset/bzero -- set memory area to CH/0
    Optimized version for x86-64.
-   Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Andreas Jaeger <aj@suse.de>.
 
@@ -24,37 +24,35 @@
 #include "bp-sym.h"
 #include "bp-asm.h"
 
-/* BEWARE: `#ifdef memset' means that memset is redefined as `bzero' */
-#define BZERO_P (defined memset)
-
 /* This is somehow experimental and could made dependend on the cache
    size.  */
 #define LARGE $120000
 
         .text
-#if !BZERO_P && defined PIC && !defined NOT_IN_libc
+#ifndef NOT_IN_libc
+ENTRY(bzero)
+	mov	%rsi,%rdx	/* Adjust parameter.  */
+	xorl	%esi,%esi	/* Fill with 0s.  */
+	jmp	L(memset_entry)
+END(bzero)
+#endif
+
+#if defined PIC && !defined NOT_IN_libc
 ENTRY (__memset_chk)
 	cmpq	%rdx, %rcx
 	jb	HIDDEN_JUMPTARGET (__chk_fail)
 END (__memset_chk)
 #endif
 ENTRY (memset)
-#if BZERO_P
-	mov	%rsi,%rdx	/* Adjust parameter.  */
-	xorl	%esi,%esi	/* Fill with 0s.  */
-#endif
+L(memset_entry):
 	cmp	$0x7,%rdx	/* Check for small length.  */
 	mov	%rdi,%rcx	/* Save ptr as return value.  */
 	jbe	7f
 
-#if BZERO_P
-	mov	%rsi,%r8	/* Just copy 0.  */
-#else
 	/* Populate 8 bit data to full 64-bit.  */
 	movabs	$0x0101010101010101,%r8
 	movzbl	%sil,%eax
 	imul	%rax,%r8
-#endif
 	test	$0x7,%edi	/* Check for alignment.  */
 	je	2f
 
@@ -109,12 +107,8 @@ ENTRY (memset)
 	dec	%rdx
 	jne	8b
 9:
-#if BZERO_P
-	nop
-#else
 	/* Load result (only if used as memset).  */
 	mov	%rdi,%rax	/* start address of destination is result */
-#endif
 	retq
 
 	.p2align 4
@@ -135,11 +129,9 @@ ENTRY (memset)
 	jmp	4b
 
 END (memset)
-#if !BZERO_P
 libc_hidden_builtin_def (memset)
-#endif
 
-#if !BZERO_P && defined PIC && !defined NOT_IN_libc
+#if defined PIC && !defined NOT_IN_libc
 strong_alias (__memset_chk, __memset_zero_constant_len_parameter)
 	.section .gnu.warning.__memset_zero_constant_len_parameter
 	.string "memset used with constant zero length parameter; this could be due to transposed parameters"