Updated to fedora-glibc-20071017T2007

4 files changed, 69 insertions, 46 deletions

diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index a5bce5f682..62e6ae3120 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,13 @@
+2007-10-17  Jakub Jelinek  <jakub@redhat.com>
+
+	* sysdeps/unix/sysv/linux/i386/i486/sem_post.S (__old_sem_post): New
+	routine instead of an alias to __new_sem_post.
+
+2007-10-15  Jakub Jelinek  <jakub@redhat.com>
+
+	* init.c (__pthread_initialize_minimal): Initialize word to appease
+	valgrind.
+
 2007-10-10  Jakub Jelinek  <jakub@redhat.com>
 
 	* sysdeps/pthread/bits/libc-lock.h (__libc_rwlock_init): Inside of
diff --git a/nptl/init.c b/nptl/init.c
index ffb50b4cca..d445de0795 100644
--- a/nptl/init.c
+++ b/nptl/init.c
@@ -284,7 +284,7 @@ __pthread_initialize_minimal_internal (void)
   /* Private futexes are always used (at least internally) so that
      doing the test once this early is beneficial.  */
   {
-    int word;
+    int word = 0;
     word = INTERNAL_SYSCALL (futex, err, 3, &word,
 			    FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1);
     if (!INTERNAL_SYSCALL_ERROR_P (word, err))
diff --git a/nptl/sysdeps/pthread/configure b/nptl/sysdeps/pthread/configure
index 3cbe55e14f..2396dbf9bc 100755
--- a/nptl/sysdeps/pthread/configure
+++ b/nptl/sysdeps/pthread/configure
@@ -24,8 +24,8 @@ echo "$as_me: error: CFI directive support in assembler is required" >&2;}
 fi
 
 
-echo "$as_me:$LINENO: checking for forced unwind support" >&5
-echo $ECHO_N "checking for forced unwind support... $ECHO_C" >&6
+{ echo "$as_me:$LINENO: checking for forced unwind support" >&5
+echo $ECHO_N "checking for forced unwind support... $ECHO_C" >&6; }
 if test "${libc_cv_forced_unwind+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -48,39 +48,36 @@ _Unwind_GetCFA (context)
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   libc_cv_forced_unwind=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-libc_cv_forced_unwind=no
+	libc_cv_forced_unwind=no
 fi
-rm -f conftest.err conftest.$ac_objext \
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
       conftest$ac_exeext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: $libc_cv_forced_unwind" >&5
-echo "${ECHO_T}$libc_cv_forced_unwind" >&6
+{ echo "$as_me:$LINENO: result: $libc_cv_forced_unwind" >&5
+echo "${ECHO_T}$libc_cv_forced_unwind" >&6; }
 if test $libc_cv_forced_unwind = yes; then
   cat >>confdefs.h <<\_ACEOF
 #define HAVE_FORCED_UNWIND 1
@@ -88,8 +85,8 @@ _ACEOF
 
   old_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -Werror -fexceptions"
-  echo "$as_me:$LINENO: checking for C cleanup handling" >&5
-echo $ECHO_N "checking for C cleanup handling... $ECHO_C" >&6
+  { echo "$as_me:$LINENO: checking for C cleanup handling" >&5
+echo $ECHO_N "checking for C cleanup handling... $ECHO_C" >&6; }
 if test "${libc_cv_c_cleanup+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -113,39 +110,36 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   libc_cv_c_cleanup=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-libc_cv_c_cleanup=no
+	libc_cv_c_cleanup=no
 fi
-rm -f conftest.err conftest.$ac_objext \
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
       conftest$ac_exeext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: $libc_cv_c_cleanup" >&5
-echo "${ECHO_T}$libc_cv_c_cleanup" >&6
+{ echo "$as_me:$LINENO: result: $libc_cv_c_cleanup" >&5
+echo "${ECHO_T}$libc_cv_c_cleanup" >&6; }
   CFLAGS="$old_CFLAGS"
   if test $libc_cv_c_cleanup = no; then
     { { echo "$as_me:$LINENO: error: the compiler must support C cleanup handling" >&5
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S
index 8f656b4e0f..ac045b6e34 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S
@@ -86,7 +86,26 @@ __new_sem_post:
 	versioned_symbol(libpthread, __new_sem_post, sem_post, GLIBC_2_1)
 #if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
 	.global	__old_sem_post
-__old_sem_post = __new_sem_post
+	.type	__old_sem_post,@function
+__old_sem_post:
+	pushl	%ebx
+
+	movl	8(%esp), %ebx
+	LOCK
+	addl	$1, (%ebx)
+
+	movl	$SYS_futex, %eax
+	movl	$FUTEX_WAKE, %ecx
+	movl	$1, %edx
+	ENTER_KERNEL
+
+	testl	%eax, %eax
+	js	1b
+
+	xorl	%eax, %eax
+	popl	%ebx
+	ret
+	.size	__old_sem_post,.-__old_sem_post
 	compat_symbol(libpthread, __old_sem_post, sem_post, GLIBC_2_0)
 #endif