diff options
Diffstat (limited to 'nptl/cleanup_defer_compat.c')
| -rw-r--r-- | nptl/cleanup_defer_compat.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/nptl/cleanup_defer_compat.c b/nptl/cleanup_defer_compat.c deleted file mode 100644 index 2705b4605e..0000000000 --- a/nptl/cleanup_defer_compat.c +++ /dev/null @@ -1,94 +0,0 @@ -/* Copyright (C) 2002-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. - - 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 "pthreadP.h" - - -void -_pthread_cleanup_push_defer (struct _pthread_cleanup_buffer *buffer, - void (*routine) (void *), void *arg) -{ - struct pthread *self = THREAD_SELF; - - buffer->__routine = routine; - buffer->__arg = arg; - buffer->__prev = THREAD_GETMEM (self, cleanup); - - int cancelhandling = THREAD_GETMEM (self, cancelhandling); - - /* Disable asynchronous cancellation for now. */ - if (__glibc_unlikely (cancelhandling & CANCELTYPE_BITMASK)) - while (1) - { - int curval = THREAD_ATOMIC_CMPXCHG_VAL (self, cancelhandling, - cancelhandling - & ~CANCELTYPE_BITMASK, - cancelhandling); - if (__glibc_likely (curval == cancelhandling)) - /* Successfully replaced the value. */ - break; - - /* Prepare for the next round. */ - cancelhandling = curval; - } - - buffer->__canceltype = (cancelhandling & CANCELTYPE_BITMASK - ? PTHREAD_CANCEL_ASYNCHRONOUS - : PTHREAD_CANCEL_DEFERRED); - - THREAD_SETMEM (self, cleanup, buffer); -} -strong_alias (_pthread_cleanup_push_defer, __pthread_cleanup_push_defer) - - -void -_pthread_cleanup_pop_restore (struct _pthread_cleanup_buffer *buffer, - int execute) -{ - struct pthread *self = THREAD_SELF; - - THREAD_SETMEM (self, cleanup, buffer->__prev); - - int cancelhandling; - if (__builtin_expect (buffer->__canceltype != PTHREAD_CANCEL_DEFERRED, 0) - && ((cancelhandling = THREAD_GETMEM (self, cancelhandling)) - & CANCELTYPE_BITMASK) == 0) - { - while (1) - { - int curval = THREAD_ATOMIC_CMPXCHG_VAL (self, cancelhandling, - cancelhandling - | CANCELTYPE_BITMASK, - cancelhandling); - if (__glibc_likely (curval == cancelhandling)) - /* Successfully replaced the value. */ - break; - - /* Prepare for the next round. */ - cancelhandling = curval; - } - - CANCELLATION_P (self); - } - - /* If necessary call the cleanup routine after we removed the - current cleanup block from the list. */ - if (execute) - buffer->__routine (buffer->__arg); -} -strong_alias (_pthread_cleanup_pop_restore, __pthread_cleanup_pop_restore) |