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-rw-r--r--lib/libkse/thread/thr_spec.c231
1 files changed, 0 insertions, 231 deletions
diff --git a/lib/libkse/thread/thr_spec.c b/lib/libkse/thread/thr_spec.c
deleted file mode 100644
index 1d4be45..0000000
--- a/lib/libkse/thread/thr_spec.c
+++ /dev/null
@@ -1,231 +0,0 @@
-/*
- * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of any co-contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#include "namespace.h"
-#include <signal.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <pthread.h>
-#include "un-namespace.h"
-#include "thr_private.h"
-
-
-struct pthread_key _thread_keytable[PTHREAD_KEYS_MAX];
-
-__weak_reference(_pthread_key_create, pthread_key_create);
-__weak_reference(_pthread_key_delete, pthread_key_delete);
-__weak_reference(_pthread_getspecific, pthread_getspecific);
-__weak_reference(_pthread_setspecific, pthread_setspecific);
-
-
-int
-_pthread_key_create(pthread_key_t *key, void (*destructor) (void *))
-{
- struct pthread *curthread;
- int i;
-
- if (_thr_initial == NULL)
- _libpthread_init(NULL);
- curthread = _get_curthread();
-
- /* Lock the key table: */
- THR_LOCK_ACQUIRE(curthread, &_keytable_lock);
- for (i = 0; i < PTHREAD_KEYS_MAX; i++) {
-
- if (_thread_keytable[i].allocated == 0) {
- _thread_keytable[i].allocated = 1;
- _thread_keytable[i].destructor = destructor;
- _thread_keytable[i].seqno++;
-
- /* Unlock the key table: */
- THR_LOCK_RELEASE(curthread, &_keytable_lock);
- *key = i;
- return (0);
- }
-
- }
- /* Unlock the key table: */
- THR_LOCK_RELEASE(curthread, &_keytable_lock);
- return (EAGAIN);
-}
-
-int
-_pthread_key_delete(pthread_key_t key)
-{
- struct pthread *curthread = _get_curthread();
- int ret = 0;
-
- if ((unsigned int)key < PTHREAD_KEYS_MAX) {
- /* Lock the key table: */
- THR_LOCK_ACQUIRE(curthread, &_keytable_lock);
-
- if (_thread_keytable[key].allocated)
- _thread_keytable[key].allocated = 0;
- else
- ret = EINVAL;
-
- /* Unlock the key table: */
- THR_LOCK_RELEASE(curthread, &_keytable_lock);
- } else
- ret = EINVAL;
- return (ret);
-}
-
-void
-_thread_cleanupspecific(void)
-{
- struct pthread *curthread = _get_curthread();
- const_key_destructor_t destructor;
- const void *data = NULL;
- int key;
- int i;
-
- if (curthread->specific == NULL)
- return;
-
- /* Lock the key table: */
- THR_LOCK_ACQUIRE(curthread, &_keytable_lock);
- for (i = 0; (i < PTHREAD_DESTRUCTOR_ITERATIONS) &&
- (curthread->specific_data_count > 0); i++) {
- for (key = 0; (key < PTHREAD_KEYS_MAX) &&
- (curthread->specific_data_count > 0); key++) {
- destructor = NULL;
-
- if (_thread_keytable[key].allocated &&
- (curthread->specific[key].data != NULL)) {
- if (curthread->specific[key].seqno ==
- _thread_keytable[key].seqno) {
- data = curthread->specific[key].data;
- destructor = (const_key_destructor_t)
- _thread_keytable[key].destructor;
- }
- curthread->specific[key].data = NULL;
- curthread->specific_data_count--;
- }
-
- /*
- * If there is a destructore, call it
- * with the key table entry unlocked:
- */
- if (destructor != NULL) {
- /*
- * Don't hold the lock while calling the
- * destructor:
- */
- THR_LOCK_RELEASE(curthread, &_keytable_lock);
- destructor(data);
- THR_LOCK_ACQUIRE(curthread, &_keytable_lock);
- }
- }
- }
- THR_LOCK_RELEASE(curthread, &_keytable_lock);
- free(curthread->specific);
- curthread->specific = NULL;
- if (curthread->specific_data_count > 0)
- stderr_debug("Thread %p has exited with leftover "
- "thread-specific data after %d destructor iterations\n",
- curthread, PTHREAD_DESTRUCTOR_ITERATIONS);
-}
-
-static inline struct pthread_specific_elem *
-pthread_key_allocate_data(void)
-{
- struct pthread_specific_elem *new_data;
-
- new_data = (struct pthread_specific_elem *)
- malloc(sizeof(struct pthread_specific_elem) * PTHREAD_KEYS_MAX);
- if (new_data != NULL) {
- memset((void *) new_data, 0,
- sizeof(struct pthread_specific_elem) * PTHREAD_KEYS_MAX);
- }
- return (new_data);
-}
-
-int
-_pthread_setspecific(pthread_key_t key, const void *value)
-{
- struct pthread *pthread;
- int ret = 0;
-
- /* Point to the running thread: */
- pthread = _get_curthread();
-
- if ((pthread->specific) ||
- (pthread->specific = pthread_key_allocate_data())) {
- if ((unsigned int)key < PTHREAD_KEYS_MAX) {
- if (_thread_keytable[key].allocated) {
- if (pthread->specific[key].data == NULL) {
- if (value != NULL)
- pthread->specific_data_count++;
- } else if (value == NULL)
- pthread->specific_data_count--;
- *(const void **)&pthread->specific[key].data = value;
- pthread->specific[key].seqno =
- _thread_keytable[key].seqno;
- ret = 0;
- } else
- ret = EINVAL;
- } else
- ret = EINVAL;
- } else
- ret = ENOMEM;
- return (ret);
-}
-
-void *
-_pthread_getspecific(pthread_key_t key)
-{
- struct pthread *pthread;
- void *data;
-
- /* Point to the running thread: */
- pthread = _get_curthread();
-
- /* Check if there is specific data: */
- if (pthread->specific != NULL && (unsigned int)key < PTHREAD_KEYS_MAX) {
- /* Check if this key has been used before: */
- if (_thread_keytable[key].allocated &&
- (pthread->specific[key].seqno == _thread_keytable[key].seqno)) {
- /* Return the value: */
- data = pthread->specific[key].data;
- } else {
- /*
- * This key has not been used before, so return NULL
- * instead:
- */
- data = NULL;
- }
- } else
- /* No specific data has been created, so just return NULL: */
- data = NULL;
- return (data);
-}
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