hppa: Remove unused lll_unlock_wake_cb.

There hasn't been a use for lll_unlock_wake_cb since it was
removed globally in 2007-05-29. This patch removes the
function from hppa's lowlevellock.[ch] implementation.

diff --git a/ports/ChangeLog.hppa b/ports/ChangeLog.hppa
index ef904c2..6314f12 100644 (file)
--- a/ports/ChangeLog.hppa
+++ b/ports/ChangeLog.hppa
@@ -1,3 +1,10 @@
+2013-02-14  Carlos O'Donell  <carlos@redhat.com>
+
+       * sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.c
+       (lll_unlock_wake_cb): Remove.
+       * ports/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h:
+       Remove prototype for lll_unlock_wake_cb.
+
 2013-01-10  Joseph Myers  <joseph@codesourcery.com>
 
        * sysdeps/hppa/fpu/fpu_control.h (_FPU_GETCW): Use __extension__

diff --git a/ports/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.c b/ports/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.c
index 618edf7..af63e1b 100644 (file)
--- a/ports/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.c
+++ b/ports/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.c
@@ -87,17 +87,6 @@ __lll_timedlock_wait (lll_lock_t *futex, const struct timespec *abstime, int pri
 /* These don't get included in libc.so  */
 #ifdef IS_IN_libpthread
 int
-lll_unlock_wake_cb (lll_lock_t *futex)
-{
-  int val = atomic_exchange_rel (futex, 0);
-
-  if (__builtin_expect (val > 1, 0))
-    lll_private_futex_wake (futex, 1);
-  return 0;
-}
-
-
-int
 __lll_timedwait_tid (int *tidp, const struct timespec *abstime)
 {
   int tid;
@@ -134,6 +123,5 @@ __lll_timedwait_tid (int *tidp, const struct timespec *abstime)
 
   return 0;
 }
-
 #endif
 

diff --git a/ports/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h b/ports/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h
index f37a7bb..b88703f 100644 (file)
--- a/ports/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h
+++ b/ports/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h
@@ -317,8 +317,6 @@ __lll_robust_timedlock (int *futex, const struct timespec *abstime,
 #define THREAD_INIT_LOCK(PD, LOCK) \
   (PD)->LOCK = LLL_LOCK_INITIALIZER
 
-extern int lll_unlock_wake_cb (lll_lock_t *__futex) attribute_hidden;
-
 /* The kernel notifies a process which uses CLONE_CHILD_CLEARTID via futex
    wakeup when the clone terminates.  The memory location contains the
    thread ID while the clone is running and is reset to zero