| /* |
| * 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 on |
| * 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 */ |