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Diffstat (limited to 'nptl/lowlevellock.c')
| -rw-r--r-- | nptl/lowlevellock.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/nptl/lowlevellock.c b/nptl/lowlevellock.c deleted file mode 100644 index fc938768a5..0000000000 --- a/nptl/lowlevellock.c +++ /dev/null @@ -1,48 +0,0 @@ -/* low level locking for pthread library. Generic futex-using version. - Copyright (C) 2003-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Paul Mackerras <paulus@au.ibm.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 <errno.h> -#include <sysdep.h> -#include <lowlevellock.h> -#include <sys/time.h> -#include <atomic.h> - -void -__lll_lock_wait_private (int *futex) -{ - if (*futex == 2) - lll_futex_wait (futex, 2, LLL_PRIVATE); /* Wait if *futex == 2. */ - - while (atomic_exchange_acq (futex, 2) != 0) - lll_futex_wait (futex, 2, LLL_PRIVATE); /* Wait if *futex == 2. */ -} - - -/* This function doesn't get included in libc. */ -#if IS_IN (libpthread) -void -__lll_lock_wait (int *futex, int private) -{ - if (*futex == 2) - lll_futex_wait (futex, 2, private); /* Wait if *futex == 2. */ - - while (atomic_exchange_acq (futex, 2) != 0) - lll_futex_wait (futex, 2, private); /* Wait if *futex == 2. */ -} -#endif |