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-rw-r--r--libpthread/linuxthreads/specific.c204
1 files changed, 0 insertions, 204 deletions
diff --git a/libpthread/linuxthreads/specific.c b/libpthread/linuxthreads/specific.c
deleted file mode 100644
index d8b5bb0b3..000000000
--- a/libpthread/linuxthreads/specific.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/* Linuxthreads - a simple clone()-based implementation of Posix */
-/* threads for Linux. */
-/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr) */
-/* */
-/* This program is free software; you can redistribute it and/or */
-/* modify it under the terms of the GNU Library General Public License */
-/* as published by the Free Software Foundation; either version 2 */
-/* of the License, or (at your option) any later version. */
-/* */
-/* This program 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 Library General Public License for more details. */
-
-/* Thread-specific data */
-
-#include <features.h>
-#define __USE_GNU
-#include <errno.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include "pthread.h"
-#include "internals.h"
-#include "spinlock.h"
-#include "restart.h"
-
-
-/* Table of keys. */
-
-static struct pthread_key_struct pthread_keys[PTHREAD_KEYS_MAX] =
- { { 0, NULL } };
-
-/* For debugging purposes put the maximum number of keys in a variable. */
-const int __linuxthreads_pthread_keys_max = PTHREAD_KEYS_MAX;
-const int __linuxthreads_pthread_key_2ndlevel_size = PTHREAD_KEY_2NDLEVEL_SIZE;
-
-/* Mutex to protect access to pthread_keys */
-
-static pthread_mutex_t pthread_keys_mutex = PTHREAD_MUTEX_INITIALIZER;
-
-/* Create a new key */
-
-int pthread_key_create(pthread_key_t * key, destr_function destr)
-{
- int i;
-
- pthread_mutex_lock(&pthread_keys_mutex);
- for (i = 0; i < PTHREAD_KEYS_MAX; i++) {
- if (! pthread_keys[i].in_use) {
- /* Mark key in use */
- pthread_keys[i].in_use = 1;
- pthread_keys[i].destr = destr;
- pthread_mutex_unlock(&pthread_keys_mutex);
- *key = i;
- return 0;
- }
- }
- pthread_mutex_unlock(&pthread_keys_mutex);
- return EAGAIN;
-}
-
-/* Delete a key */
-int pthread_key_delete(pthread_key_t key)
-{
- pthread_descr self = thread_self();
-
- pthread_mutex_lock(&pthread_keys_mutex);
- if (key >= PTHREAD_KEYS_MAX || !pthread_keys[key].in_use) {
- pthread_mutex_unlock(&pthread_keys_mutex);
- return EINVAL;
- }
- pthread_keys[key].in_use = 0;
- pthread_keys[key].destr = NULL;
-
- /* Set the value of the key to NULL in all running threads, so
- that if the key is reallocated later by pthread_key_create, its
- associated values will be NULL in all threads.
- Do nothing if no threads have been created yet. */
- if (__pthread_manager_request != -1)
- {
- pthread_descr th;
- unsigned int idx1st, idx2nd;
-
- idx1st = key / PTHREAD_KEY_2NDLEVEL_SIZE;
- idx2nd = key % PTHREAD_KEY_2NDLEVEL_SIZE;
- th = self;
- do {
- /* If the thread already is terminated don't modify the memory. */
- if (!th->p_terminated && th->p_specific[idx1st] != NULL)
- th->p_specific[idx1st][idx2nd] = NULL;
- th = th->p_nextlive;
- } while (th != self);
- }
-
- pthread_mutex_unlock(&pthread_keys_mutex);
- return 0;
-}
-
-/* Set the value of a key */
-
-int pthread_setspecific(pthread_key_t key, const void * pointer)
-{
- pthread_descr self = thread_self();
- unsigned int idx1st, idx2nd;
-
- if (key >= PTHREAD_KEYS_MAX || !pthread_keys[key].in_use)
- return EINVAL;
- idx1st = key / PTHREAD_KEY_2NDLEVEL_SIZE;
- idx2nd = key % PTHREAD_KEY_2NDLEVEL_SIZE;
- if (THREAD_GETMEM_NC(self, p_specific[idx1st]) == NULL) {
- void *newp = calloc(PTHREAD_KEY_2NDLEVEL_SIZE, sizeof (void *));
- if (newp == NULL)
- return ENOMEM;
- THREAD_SETMEM_NC(self, p_specific[idx1st], newp);
- }
- THREAD_GETMEM_NC(self, p_specific[idx1st])[idx2nd] = (void *) pointer;
- return 0;
-}
-
-/* Get the value of a key */
-
-void * pthread_getspecific(pthread_key_t key)
-{
- pthread_descr self = thread_self();
- unsigned int idx1st, idx2nd;
-
- if (key >= PTHREAD_KEYS_MAX)
- return NULL;
- idx1st = key / PTHREAD_KEY_2NDLEVEL_SIZE;
- idx2nd = key % PTHREAD_KEY_2NDLEVEL_SIZE;
- if (THREAD_GETMEM_NC(self, p_specific[idx1st]) == NULL
- || !pthread_keys[key].in_use)
- return NULL;
- return THREAD_GETMEM_NC(self, p_specific[idx1st])[idx2nd];
-}
-
-/* Call the destruction routines on all keys */
-
-void __pthread_destroy_specifics()
-{
- pthread_descr self = thread_self();
- int i, j, round, found_nonzero;
- destr_function destr;
- void * data;
-
- for (round = 0, found_nonzero = 1;
- found_nonzero && round < PTHREAD_DESTRUCTOR_ITERATIONS;
- round++) {
- found_nonzero = 0;
- for (i = 0; i < PTHREAD_KEY_1STLEVEL_SIZE; i++)
- if (THREAD_GETMEM_NC(self, p_specific[i]) != NULL)
- for (j = 0; j < PTHREAD_KEY_2NDLEVEL_SIZE; j++) {
- destr = pthread_keys[i * PTHREAD_KEY_2NDLEVEL_SIZE + j].destr;
- data = THREAD_GETMEM_NC(self, p_specific[i])[j];
- if (destr != NULL && data != NULL) {
- THREAD_GETMEM_NC(self, p_specific[i])[j] = NULL;
- destr(data);
- found_nonzero = 1;
- }
- }
- }
- __pthread_lock(THREAD_GETMEM(self, p_lock), self);
- for (i = 0; i < PTHREAD_KEY_1STLEVEL_SIZE; i++) {
- if (THREAD_GETMEM_NC(self, p_specific[i]) != NULL) {
- free(THREAD_GETMEM_NC(self, p_specific[i]));
- THREAD_SETMEM_NC(self, p_specific[i], NULL);
- }
- }
- __pthread_unlock(THREAD_GETMEM(self, p_lock));
-}
-
-
-/* Thread-specific data for libc. */
-#if !(USE_TLS && HAVE___THREAD)
-static int
-libc_internal_tsd_set(enum __libc_tsd_key_t key, const void * pointer)
-{
- pthread_descr self = thread_self();
-
- THREAD_SETMEM_NC(self, p_libc_specific[key], (void *) pointer);
- return 0;
-}
-int (*__libc_internal_tsd_set)(enum __libc_tsd_key_t key, const void * pointer)
- = libc_internal_tsd_set;
-
-static void *
-libc_internal_tsd_get(enum __libc_tsd_key_t key)
-{
- pthread_descr self = thread_self();
-
- return THREAD_GETMEM_NC(self, p_libc_specific[key]);
-}
-void * (*__libc_internal_tsd_get)(enum __libc_tsd_key_t key)
- = libc_internal_tsd_get;
-
-static void ** __attribute__ ((__const__))
-libc_internal_tsd_address (enum __libc_tsd_key_t key)
-{
- pthread_descr self = thread_self();
- return &self->p_libc_specific[key];
-}
-void **(*const __libc_internal_tsd_address) (enum __libc_tsd_key_t key)
- __THROW __attribute__ ((__const__)) = libc_internal_tsd_address;
-#endif
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