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--- Libc/Libc-498/pthreads/pthread_tsd.c
+++ /dev/null
@@ -1,247 +0,0 @@
-/*
- * Copyright (c) 2000-2003, 2007 Apple Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright 1996 1995 by Open Software Foundation, Inc. 1997 1996 1995 1994 1993 1992 1991
- * All Rights Reserved
- *
- * Permission to use, copy, modify, and distribute this software and
- * its documentation for any purpose and without fee is hereby granted,
- * provided that the above copyright notice appears in all copies and
- * that both the copyright notice and this permission notice appear in
- * supporting documentation.
- *
- * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
- * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- */
-/*
- * MkLinux
- */
-
-/*
- * POSIX Pthread Library
- * Thread Specific Data support
- * NB: pthread_getspecific() is in a separate assembly file
- */
-
-#include "pthread_internals.h"
-
-static struct
-{
- int created; /* Set TRUE if 'create_key' used this slot */
- void (*destructor)(void *);
-} _pthread_keys[_INTERNAL_POSIX_THREAD_KEYS_END];
-static pthread_lock_t tds_lock = LOCK_INITIALIZER;
-
-/*
- * Partition _pthread_keys in a lower part that dyld can use, and an upper
- * part for libSystem. The libSystem part starts at __pthread_tsd_first = 4.
- * dyld will set this value to 1.
- * LEFT OVER TILL DYLD changes to using static (1-3) numbers
- */
-
-#ifdef DYLD_STATIC_LIBC_BUILD
-__private_extern__ int __pthread_tsd_first = 1;
-__private_extern__ int __pthread_tsd_start = 5;
-__private_extern__ int __pthread_tsd_end = 10;
-__private_extern__ int __pthread_tsd_max = 10;
-#else
-__private_extern__ int __pthread_tsd_first = 10;
-__private_extern__ int __pthread_tsd_start = _INTERNAL_POSIX_THREAD_KEYS_MAX;
-__private_extern__ int __pthread_tsd_end = _INTERNAL_POSIX_THREAD_KEYS_END;
-__private_extern__ int __pthread_tsd_max = 10;
-#endif
-/*
- * Create a new key for thread specific data
- */
-int
-pthread_key_create(pthread_key_t *key,
- void (*destructor)(void *))
-{
- int res, i;
- LOCK(tds_lock);
- res = EAGAIN; /* No 'free' keys, return EAGAIN (as per standard) */
- /* The first slot is reserved for pthread_self() */
- for (i = __pthread_tsd_start; i < __pthread_tsd_end; i++)
- {
- if (_pthread_keys[i].created == FALSE)
- {
- _pthread_keys[i].created = TRUE;
- _pthread_keys[i].destructor = destructor;
- *key = i;
- res = 0;
- break;
- }
- }
- UNLOCK(tds_lock);
- return (res);
-}
-
-/*
- * Destroy a thread specific data key
- */
-int
-pthread_key_delete(pthread_key_t key)
-{
- int res;
- LOCK(tds_lock);
- /* The first slot is reserved for pthread_self() */
- if ((key >= __pthread_tsd_start) && (key < __pthread_tsd_end))
- {
- if (_pthread_keys[key].created)
- {
- struct _pthread * p;
-
- _pthread_keys[key].created = FALSE;
- LOCK(_pthread_list_lock);
- TAILQ_FOREACH(p, &__pthread_head, plist) {
- /* It is an 32bit value no lock needed */
- p->tsd[key] = 0;
- }
- UNLOCK(_pthread_list_lock);
- res = 0;
- } else
- {
- res = EINVAL;
- }
- } else
- { /* Invalid key */
- res = EINVAL;
- }
- UNLOCK(tds_lock);
- return (res);
-}
-
-/*
- * Set the thread private value for a given key.
- * We do not take the spinlock for this or pthread_getspecific.
- * The assignment to self->tsd[] is thread-safe because we never
- * refer to the tsd[] of a thread other than pthread_self().
- * The reference to _pthread_keys[...].created could race with a
- * pthread_key_delete() but in this case the behaviour is allowed
- * to be undefined.
- */
-int
-pthread_setspecific(pthread_key_t key,
- const void *value)
-{
- int res;
- pthread_t self;
- /* The first slot is reserved for pthread_self() */
- if ((key >= __pthread_tsd_first) && (key < __pthread_tsd_end))
- {
- if ((key < __pthread_tsd_start) || _pthread_keys[key].created)
- {
- self = pthread_self();
- self->tsd[key] = (void *) value;
- res = 0;
- if ((key < __pthread_tsd_start) && (_pthread_keys[key].created == FALSE))
- _pthread_keys[key].created = TRUE;
-
- if (key > self->max_tsd_key)
- self->max_tsd_key = key;
- } else
- {
- res = EINVAL;
- }
- } else
- { /* Invalid key */
- res = EINVAL;
- }
- return (res);
-}
-
-/*
- * Clean up thread specific data as thread 'dies'
- */
-void
-_pthread_tsd_cleanup(pthread_t self)
-{
- int i, j;
- void *param;
-
- for (j = 0; j < PTHREAD_DESTRUCTOR_ITERATIONS; j++)
- {
- /* The first slot is reserved for pthread_self() */
-
- for (i = __pthread_tsd_first; i <= __pthread_tsd_max; i++)
- {
- if (_pthread_keys[i].created && (param = self->tsd[i]))
- {
- self->tsd[i] = (void *)NULL;
- if (_pthread_keys[i].destructor)
- {
- (_pthread_keys[i].destructor)(param);
- }
- }
- }
- for (i = __pthread_tsd_start; i <= self->max_tsd_key; i++)
- {
- if (_pthread_keys[i].created && (param = self->tsd[i]))
- {
- self->tsd[i] = (void *)NULL;
- if (_pthread_keys[i].destructor)
- {
- (_pthread_keys[i].destructor)(param);
- }
- }
- }
- }
- self->max_tsd_key = 0;
-}
-
-int
-pthread_key_init_np(int key, void (*destructor)(void *))
-{
- if ((key >= __pthread_tsd_first) && (key < __pthread_tsd_start)) {
- LOCK(tds_lock);
- _pthread_keys[key].created = TRUE;
- _pthread_keys[key].destructor = destructor;
-
- if (key > __pthread_tsd_max)
- __pthread_tsd_max = key;
- UNLOCK(tds_lock);
- return (0);
- } else
- return(EINVAL);
-}
-
-/* we need this till the switchover happens for the dyld. It get 1- 10 slot */
-void
-_pthread_keys_init()
-{
- if (__pthread_tsd_first == 1) {
- __pthread_tsd_start = 5;
- __pthread_tsd_end = 10;
- __pthread_tsd_max = 10;
- }
-
-}
-