[BZ #4586]

2007-06-06  Jakub Jelinek  <jakub@redhat.com>
	BZ #4586
	* sysdeps/i386/ldbl2mpn.c (__mpn_extract_long_double): Treat
	pseudo-zeros as zero.
	* sysdeps/x86_64/ldbl2mpn.c: New file.
	* sysdeps/ia64/ldbl2mpn.c: New file.

1 files changed, 7 insertions, 13 deletions

diff --git a/nptl/lowlevellock.h b/nptl/lowlevellock.h
index 338da39990..0600e1794d 100644
--- a/nptl/lowlevellock.h
+++ b/nptl/lowlevellock.h
@@ -1,5 +1,5 @@
 /* Low level locking macros used in NPTL implementation.  Stub version.
-   Copyright (C) 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2007 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -21,16 +21,6 @@
 #include <atomic.h>
 
 
-/* Implement generic mutex.  Basic futex syscall support is required:
-
-     lll_futex_wait(futex, value) - call sys_futex with FUTEX_WAIT
-				    and third parameter VALUE
-
-     lll_futex_wake(futex, value) - call sys_futex with FUTEX_WAKE
-				    and third parameter VALUE
-*/
-
-
 /* Mutex lock counter:
    bit 31 clear means unlocked;
    bit 31 set means locked.
@@ -66,7 +56,9 @@ __generic_mutex_lock (int *mutex)
       if (v >= 0)
 	continue;
 
-      lll_futex_wait (mutex, v);
+      lll_futex_wait (mutex, v,
+		      // XYZ check mutex flag
+		      LLL_SHARED);
     }
 }
 
@@ -82,7 +74,9 @@ __generic_mutex_unlock (int *mutex)
 
   /* There are other threads waiting for this mutex, wake one of them
      up.  */
-  lll_futex_wake (mutex, 1);
+  lll_futex_wake (mutex, 1,
+		  // XYZ check mutex flag
+		  LLL_SHARED);
 }