summaryrefslogtreecommitdiff
path: root/pthreads/src/pthread_key_delete.c
diff options
context:
space:
mode:
Diffstat (limited to 'pthreads/src/pthread_key_delete.c')
-rw-r--r--pthreads/src/pthread_key_delete.c125
1 files changed, 0 insertions, 125 deletions
diff --git a/pthreads/src/pthread_key_delete.c b/pthreads/src/pthread_key_delete.c
deleted file mode 100644
index 09d70c6..0000000
--- a/pthreads/src/pthread_key_delete.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * pthread_key_delete.c
- *
- * Description:
- * POSIX thread functions which implement thread-specific data (TSD).
- *
- * --------------------------------------------------------------------------
- *
- * Pthreads-win32 - POSIX Threads Library for Win32
- * Copyright(C) 1998 John E. Bossom
- * Copyright(C) 1999,2005 Pthreads-win32 contributors
- *
- * Contact Email: rpj@callisto.canberra.edu.au
- *
- * The current list of contributors is contained
- * in the file CONTRIBUTORS included with the source
- * code distribution. The list can also be seen at the
- * following World Wide Web location:
- * http://sources.redhat.com/pthreads-win32/contributors.html
- *
- * This 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 of the License, or (at your option) any later version.
- *
- * This 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 this library in the file COPYING.LIB;
- * if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-
-#include "pthread.h"
-#include "implement.h"
-
-
-int
-pthread_key_delete (pthread_key_t key)
- /*
- * ------------------------------------------------------
- * DOCPUBLIC
- * This function deletes a thread-specific data key. This
- * does not change the value of the thread specific data key
- * for any thread and does not run the key's destructor
- * in any thread so it should be used with caution.
- *
- * PARAMETERS
- * key
- * pointer to an instance of pthread_key_t
- *
- *
- * DESCRIPTION
- * This function deletes a thread-specific data key. This
- * does not change the value of the thread specific data key
- * for any thread and does not run the key's destructor
- * in any thread so it should be used with caution.
- *
- * RESULTS
- * 0 successfully deleted the key,
- * EINVAL key is invalid,
- *
- * ------------------------------------------------------
- */
-{
- ptw32_mcs_local_node_t keyLock;
- int result = 0;
-
- if (key != NULL)
- {
- if (key->threads != NULL && key->destructor != NULL)
- {
- ThreadKeyAssoc *assoc;
- ptw32_mcs_lock_acquire (&(key->keyLock), &keyLock);
- /*
- * Run through all Thread<-->Key associations
- * for this key.
- *
- * While we hold at least one of the locks guarding
- * the assoc, we know that the assoc pointed to by
- * key->threads is valid.
- */
- while ((assoc = (ThreadKeyAssoc *) key->threads) != NULL)
- {
- ptw32_mcs_local_node_t threadLock;
- ptw32_thread_t * thread = assoc->thread;
-
- if (assoc == NULL)
- {
- /* Finished */
- break;
- }
-
- ptw32_mcs_lock_acquire (&(thread->threadLock), &threadLock);
- /*
- * Since we are starting at the head of the key's threads
- * chain, this will also point key->threads at the next assoc.
- * While we hold key->keyLock, no other thread can insert
- * a new assoc via pthread_setspecific.
- */
- ptw32_tkAssocDestroy (assoc);
- ptw32_mcs_lock_release (&threadLock);
- ptw32_mcs_lock_release (&keyLock);
- }
- }
-
- TlsFree (key->key);
- if (key->destructor != NULL)
- {
- /* A thread could be holding the keyLock */
- ptw32_mcs_lock_acquire (&(key->keyLock), &keyLock);
- ptw32_mcs_lock_release (&keyLock);
- }
-
-#if defined( _DEBUG )
- memset ((char *) key, 0, sizeof (*key));
-#endif
- free (key);
- }
-
- return (result);
-}