1 files changed, 0 insertions, 103 deletions
diff --git a/nptl/sem_post.c b/nptl/sem_post.c
deleted file mode 100644
index bb4f851a6b..0000000000
--- a/nptl/sem_post.c
+++ /dev/null
@@ -1,103 +0,0 @@
-/* sem_post -- post to a POSIX semaphore.  Generic futex-using version.
-   Copyright (C) 2003-2017 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
-
-   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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <atomic.h>
-#include <errno.h>
-#include <sysdep.h>
-#include <lowlevellock.h>	/* lll_futex* used by the old code.  */
-#include <futex-internal.h>
-#include <internaltypes.h>
-#include <semaphore.h>
-
-#include <shlib-compat.h>
-
-
-/* See sem_wait for an explanation of the algorithm.  */
-int
-__new_sem_post (sem_t *sem)
-{
-  struct new_sem *isem = (struct new_sem *) sem;
-  int private = isem->private;
-
-#if __HAVE_64B_ATOMICS
-  /* Add a token to the semaphore.  We use release MO to make sure that a
-     thread acquiring this token synchronizes with us and other threads that
-     added tokens before (the release sequence includes atomic RMW operations
-     by other threads).  */
-  /* TODO Use atomic_fetch_add to make it scale better than a CAS loop?  */
-  uint64_t d = atomic_load_relaxed (&isem->data);
-  do
-    {
-      if ((d & SEM_VALUE_MASK) == SEM_VALUE_MAX)
-	{
-	  __set_errno (EOVERFLOW);
-	  return -1;
-	}
-    }
-  while (!atomic_compare_exchange_weak_release (&isem->data, &d, d + 1));
-
-  /* If there is any potentially blocked waiter, wake one of them.  */
-  if ((d >> SEM_NWAITERS_SHIFT) > 0)
-    futex_wake (((unsigned int *) &isem->data) + SEM_VALUE_OFFSET, 1, private);
-#else
-  /* Add a token to the semaphore.  Similar to 64b version.  */
-  unsigned int v = atomic_load_relaxed (&isem->value);
-  do
-    {
-      if ((v >> SEM_VALUE_SHIFT) == SEM_VALUE_MAX)
-	{
-	  __set_errno (EOVERFLOW);
-	  return -1;
-	}
-    }
-  while (!atomic_compare_exchange_weak_release
-	 (&isem->value, &v, v + (1 << SEM_VALUE_SHIFT)));
-
-  /* If there is any potentially blocked waiter, wake one of them.  */
-  if ((v & SEM_NWAITERS_MASK) != 0)
-    futex_wake (&isem->value, 1, private);
-#endif
-
-  return 0;
-}
-versioned_symbol (libpthread, __new_sem_post, sem_post, GLIBC_2_1);
-
-
-#if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_1)
-int
-attribute_compat_text_section
-__old_sem_post (sem_t *sem)
-{
-  int *futex = (int *) sem;
-
-  /* We must need to synchronize with consumers of this token, so the atomic
-     increment must have release MO semantics.  */
-  atomic_write_barrier ();
-  (void) atomic_increment_val (futex);
-  /* We always have to assume it is a shared semaphore.  */
-  int err = lll_futex_wake (futex, 1, LLL_SHARED);
-  if (__builtin_expect (err, 0) < 0)
-    {
-      __set_errno (-err);
-      return -1;
-    }
-  return 0;
-}
-compat_symbol (libpthread, __old_sem_post, sem_post, GLIBC_2_0);
-#endif