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author"Steven J. Hill" <sjhill@realitydiluted.com>2005-06-03 01:38:38 +0000
committer"Steven J. Hill" <sjhill@realitydiluted.com>2005-06-03 01:38:38 +0000
commita55939fe5f428c1c7ea670c3639ad93816c9499b (patch)
tree3dbe53035d34e974d3451dfd334981b8f16c3041 /libpthread/nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c
parent8e910c62dcc74b6db1828b0ad5d7a9c6ee2ec469 (diff)
downloaduClibc-alpine-a55939fe5f428c1c7ea670c3639ad93816c9499b.tar.bz2
uClibc-alpine-a55939fe5f428c1c7ea670c3639ad93816c9499b.tar.xz
Removal of unsupported architectures.
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c')
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c94
1 files changed, 0 insertions, 94 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c b/libpthread/nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c
deleted file mode 100644
index 3b07cc127..000000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/* Copyright (C) 2003, 2004 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include "pthreadP.h"
-#include <lowlevellock.h>
-
-
-unsigned long int __fork_generation attribute_hidden;
-
-
-static void
-clear_once_control (void *arg)
-{
- pthread_once_t *once_control = (pthread_once_t *) arg;
-
- *once_control = 0;
- lll_futex_wake (once_control, INT_MAX);
-}
-
-
-int
-__pthread_once (once_control, init_routine)
- pthread_once_t *once_control;
- void (*init_routine) (void);
-{
- while (1)
- {
- int oldval, val, newval;
-
- val = *once_control;
- do
- {
- /* Check if the initialized has already been done. */
- if ((val & 2) != 0)
- return 0;
-
- oldval = val;
- newval = (oldval & 3) | __fork_generation | 1;
- val = atomic_compare_and_exchange_val_acq (once_control, newval,
- oldval);
- }
- while (__builtin_expect (val != oldval, 0));
-
- /* Check if another thread already runs the initializer. */
- if ((oldval & 1) != 0)
- {
- /* Check whether the initializer execution was interrupted
- by a fork. */
- if (((oldval ^ newval) & -4) == 0)
- {
- /* Same generation, some other thread was faster. Wait. */
- lll_futex_wait (once_control, newval);
- continue;
- }
- }
-
- /* This thread is the first here. Do the initialization.
- Register a cleanup handler so that in case the thread gets
- interrupted the initialization can be restarted. */
- pthread_cleanup_push (clear_once_control, once_control);
-
- init_routine ();
-
- pthread_cleanup_pop (0);
-
-
- /* Add one to *once_control. */
- atomic_increment (once_control);
-
- /* Wake up all other threads. */
- lll_futex_wake (once_control, INT_MAX);
- break;
- }
-
- return 0;
-}
-weak_alias (__pthread_once, pthread_once)
-strong_alias (__pthread_once, __pthread_once_internal)