115 lines
3.4 KiB
C
115 lines
3.4 KiB
C
/*
|
|
* ptw32_tkAssocDestroy.c
|
|
*
|
|
* Description:
|
|
* This translation unit implements routines which are private to
|
|
* the implementation and may be used throughout it.
|
|
*
|
|
* --------------------------------------------------------------------------
|
|
*
|
|
* 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"
|
|
|
|
|
|
void
|
|
ptw32_tkAssocDestroy (ThreadKeyAssoc * assoc)
|
|
/*
|
|
* -------------------------------------------------------------------
|
|
* This routine releases all resources for the given ThreadKeyAssoc
|
|
* once it is no longer being referenced
|
|
* ie) either the key or thread has stopped referencing it.
|
|
*
|
|
* Parameters:
|
|
* assoc
|
|
* an instance of ThreadKeyAssoc.
|
|
* Returns:
|
|
* N/A
|
|
* -------------------------------------------------------------------
|
|
*/
|
|
{
|
|
|
|
/*
|
|
* Both key->keyLock and thread->threadLock are locked before
|
|
* entry to this routine.
|
|
*/
|
|
if (assoc != NULL)
|
|
{
|
|
ThreadKeyAssoc * prev, * next;
|
|
|
|
/* Remove assoc from thread's keys chain */
|
|
prev = assoc->prevKey;
|
|
next = assoc->nextKey;
|
|
if (prev != NULL)
|
|
{
|
|
prev->nextKey = next;
|
|
}
|
|
if (next != NULL)
|
|
{
|
|
next->prevKey = prev;
|
|
}
|
|
|
|
if (assoc->thread->keys == assoc)
|
|
{
|
|
/* We're at the head of the thread's keys chain */
|
|
assoc->thread->keys = next;
|
|
}
|
|
if (assoc->thread->nextAssoc == assoc)
|
|
{
|
|
/*
|
|
* Thread is exiting and we're deleting the assoc to be processed next.
|
|
* Hand thread the assoc after this one.
|
|
*/
|
|
assoc->thread->nextAssoc = next;
|
|
}
|
|
|
|
/* Remove assoc from key's threads chain */
|
|
prev = assoc->prevThread;
|
|
next = assoc->nextThread;
|
|
if (prev != NULL)
|
|
{
|
|
prev->nextThread = next;
|
|
}
|
|
if (next != NULL)
|
|
{
|
|
next->prevThread = prev;
|
|
}
|
|
|
|
if (assoc->key->threads == assoc)
|
|
{
|
|
/* We're at the head of the key's threads chain */
|
|
assoc->key->threads = next;
|
|
}
|
|
|
|
free (assoc);
|
|
}
|
|
|
|
} /* ptw32_tkAssocDestroy */
|