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88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
/*
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* pthread_getspecific.c
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*
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* Description:
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* POSIX thread functions which implement thread-specific data (TSD).
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*
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* --------------------------------------------------------------------------
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*
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* Pthreads-win32 - POSIX Threads Library for Win32
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* Copyright(C) 1998 John E. Bossom
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* Copyright(C) 1999,2005 Pthreads-win32 contributors
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*
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* Contact Email: rpj@callisto.canberra.edu.au
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*
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* The current list of contributors is contained
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* in the file CONTRIBUTORS included with the source
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* code distribution. The list can also be seen at the
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* following World Wide Web location:
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* http://sources.redhat.com/pthreads-win32/contributors.html
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library in the file COPYING.LIB;
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* if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include "pthread.h"
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#include "implement.h"
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void *
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pthread_getspecific (pthread_key_t key)
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/*
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* ------------------------------------------------------
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* DOCPUBLIC
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* This function returns the current value of key in the
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* calling thread. If no value has been set for 'key' in
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* the thread, NULL is returned.
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*
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* PARAMETERS
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* key
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* an instance of pthread_key_t
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*
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*
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* DESCRIPTION
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* This function returns the current value of key in the
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* calling thread. If no value has been set for 'key' in
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* the thread, NULL is returned.
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*
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* RESULTS
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* key value or NULL on failure
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*
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* ------------------------------------------------------
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*/
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{
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void * ptr;
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if (key == NULL)
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{
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ptr = NULL;
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}
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else
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{
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int lasterror = GetLastError ();
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#if defined(RETAIN_WSALASTERROR)
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int lastWSAerror = WSAGetLastError ();
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#endif
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ptr = TlsGetValue (key->key);
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SetLastError (lasterror);
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#if defined(RETAIN_WSALASTERROR)
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WSASetLastError (lastWSAerror);
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#endif
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}
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return ptr;
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}
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