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-rw-r--r--lib/libpthread/thread/thr_spec.c236
1 files changed, 0 insertions, 236 deletions
diff --git a/lib/libpthread/thread/thr_spec.c b/lib/libpthread/thread/thr_spec.c
deleted file mode 100644
index 7ff9054..0000000
--- a/lib/libpthread/thread/thr_spec.c
+++ /dev/null
@@ -1,236 +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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by John Birrell.
- * 4. 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 REGENTS 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.
- *
- */
-#include <signal.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-
-/* Static variables: */
-static struct pthread_key key_table[PTHREAD_KEYS_MAX];
-
-int
-pthread_key_create(pthread_key_t * key, void (*destructor) (void *))
-{
- for ((*key) = 0; (*key) < PTHREAD_KEYS_MAX; (*key)++) {
- if (key_table[(*key)].count == 0) {
- key_table[(*key)].count++;
- key_table[(*key)].destructor = destructor;
- return (0);
- }
- }
- return (EAGAIN);
-}
-
-int
-pthread_key_delete(pthread_key_t key)
-{
- int ret;
- int status;
-
- /* Block signals: */
- _thread_kern_sig_block(&status);
-
- if (key < PTHREAD_KEYS_MAX) {
- switch (key_table[key].count) {
- case 1:
- key_table[key].destructor = NULL;
- key_table[key].count = 0;
- case 0:
- ret = 0;
- break;
- default:
- ret = EBUSY;
- }
- } else {
- ret = EINVAL;
- }
-
- /* Unblock signals: */
- _thread_kern_sig_unblock(status);
- return (ret);
-}
-
-void
-_thread_cleanupspecific(void)
-{
- void *data;
- int key;
- int itr;
- int status;
-
- /* Block signals: */
- _thread_kern_sig_block(&status);
-
- for (itr = 0; itr < PTHREAD_DESTRUCTOR_ITERATIONS; itr++) {
- for (key = 0; key < PTHREAD_KEYS_MAX; key++) {
- if (_thread_run->specific_data_count) {
- if (_thread_run->specific_data[key]) {
- data = (void *) _thread_run->specific_data[key];
- _thread_run->specific_data[key] = NULL;
- _thread_run->specific_data_count--;
- if (key_table[key].destructor) {
- key_table[key].destructor(data);
- }
- key_table[key].count--;
- }
- } else {
- free(_thread_run->specific_data);
-
- /* Unblock signals: */
- _thread_kern_sig_unblock(status);
- return;
- }
- }
- }
- free(_thread_run->specific_data);
-
- /* Unblock signals: */
- _thread_kern_sig_unblock(status);
-}
-
-static inline const void **
-pthread_key_allocate_data(void)
-{
- const void **new_data;
- if ((new_data = (const void **) malloc(sizeof(void *) * PTHREAD_KEYS_MAX)) != NULL) {
- memset((void *) new_data, 0, sizeof(void *) * PTHREAD_KEYS_MAX);
- }
- return (new_data);
-}
-
-int
-pthread_setspecific(pthread_key_t key, const void *value)
-{
- pthread_t pthread;
- int ret = 0;
- int status;
-
- /* Block signals: */
- _thread_kern_sig_block(&status);
-
- /* Point to the running thread: */
- pthread = _thread_run;
-
- /*
- * Enter a loop for signal handler threads to find the parent thread
- * which has the specific data associated with it:
- */
- while (pthread->parent_thread != NULL) {
- /* Point to the parent thread: */
- pthread = pthread->parent_thread;
- }
-
- if ((pthread->specific_data) || (pthread->specific_data = pthread_key_allocate_data())) {
- if ((key < PTHREAD_KEYS_MAX) && (key_table)) {
- if (key_table[key].count) {
- if (pthread->specific_data[key] == NULL) {
- if (value != NULL) {
- pthread->specific_data_count++;
- key_table[key].count++;
- }
- } else {
- if (value == NULL) {
- pthread->specific_data_count--;
- key_table[key].count--;
- }
- }
- pthread->specific_data[key] = value;
- ret = 0;
- } else {
- ret = EINVAL;
- }
- } else {
- ret = EINVAL;
- }
- } else {
- ret = ENOMEM;
- }
-
- /* Unblock signals: */
- _thread_kern_sig_unblock(status);
- return (ret);
-}
-
-void *
-pthread_getspecific(pthread_key_t key)
-{
- pthread_t pthread;
- int status;
- void *data;
-
- /* Block signals: */
- _thread_kern_sig_block(&status);
-
- /* Point to the running thread: */
- pthread = _thread_run;
-
- /*
- * Enter a loop for signal handler threads to find the parent thread
- * which has the specific data associated with it:
- */
- while (pthread->parent_thread != NULL) {
- /* Point to the parent thread: */
- pthread = pthread->parent_thread;
- }
-
- /* Check for errors: */
- if (pthread == NULL) {
- /* Return an invalid argument error: */
- data = NULL;
- }
- /* Check if there is specific data: */
- else if (pthread->specific_data != NULL && (key < PTHREAD_KEYS_MAX) && (key_table)) {
- /* Check if this key has been used before: */
- if (key_table[key].count) {
- /* Return the value: */
- data = (void *) pthread->specific_data[key];
- } 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;
- }
-
- /* Unblock signals: */
- _thread_kern_sig_unblock(status);
- return (data);
-}
-#endif
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