87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
/*
|
|
* pthread_getspecific.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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include "pthread.h"
|
|
#include "implement.h"
|
|
|
|
|
|
void *
|
|
pthread_getspecific (pthread_key_t key)
|
|
/*
|
|
* ------------------------------------------------------
|
|
* DOCPUBLIC
|
|
* This function returns the current value of key in the
|
|
* calling thread. If no value has been set for 'key' in
|
|
* the thread, NULL is returned.
|
|
*
|
|
* PARAMETERS
|
|
* key
|
|
* an instance of pthread_key_t
|
|
*
|
|
*
|
|
* DESCRIPTION
|
|
* This function returns the current value of key in the
|
|
* calling thread. If no value has been set for 'key' in
|
|
* the thread, NULL is returned.
|
|
*
|
|
* RESULTS
|
|
* key value or NULL on failure
|
|
*
|
|
* ------------------------------------------------------
|
|
*/
|
|
{
|
|
void * ptr;
|
|
|
|
if (key == NULL)
|
|
{
|
|
ptr = NULL;
|
|
}
|
|
else
|
|
{
|
|
int lasterror = GetLastError ();
|
|
#if defined(RETAIN_WSALASTERROR)
|
|
int lastWSAerror = WSAGetLastError ();
|
|
#endif
|
|
ptr = TlsGetValue (key->key);
|
|
|
|
SetLastError (lasterror);
|
|
#if defined(RETAIN_WSALASTERROR)
|
|
WSASetLastError (lastWSAerror);
|
|
#endif
|
|
}
|
|
|
|
return ptr;
|
|
}
|