1*062c5bc4SJason Schmidlapp
2*062c5bc4SJason Schmidlapp /*
3*062c5bc4SJason Schmidlapp * pthread_getspecific.c
4*062c5bc4SJason Schmidlapp *
5*062c5bc4SJason Schmidlapp * Description:
6*062c5bc4SJason Schmidlapp * POSIX thread functions which implement thread-specific data (TSD).
7*062c5bc4SJason Schmidlapp *
8*062c5bc4SJason Schmidlapp * --------------------------------------------------------------------------
9*062c5bc4SJason Schmidlapp *
10*062c5bc4SJason Schmidlapp * Pthreads-embedded (PTE) - POSIX Threads Library for embedded systems
11*062c5bc4SJason Schmidlapp * Copyright(C) 2008 Jason Schmidlapp
12*062c5bc4SJason Schmidlapp *
13*062c5bc4SJason Schmidlapp * Contact Email: jschmidlapp@users.sourceforge.net
14*062c5bc4SJason Schmidlapp *
15*062c5bc4SJason Schmidlapp *
16*062c5bc4SJason Schmidlapp * Based upon Pthreads-win32 - POSIX Threads Library for Win32
17*062c5bc4SJason Schmidlapp * Copyright(C) 1998 John E. Bossom
18*062c5bc4SJason Schmidlapp * Copyright(C) 1999,2005 Pthreads-win32 contributors
19*062c5bc4SJason Schmidlapp *
20*062c5bc4SJason Schmidlapp * Contact Email: rpj@callisto.canberra.edu.au
21*062c5bc4SJason Schmidlapp *
22*062c5bc4SJason Schmidlapp * The original list of contributors to the Pthreads-win32 project
23*062c5bc4SJason Schmidlapp * is contained in the file CONTRIBUTORS.ptw32 included with the
24*062c5bc4SJason Schmidlapp * source code distribution. The list can also be seen at the
25*062c5bc4SJason Schmidlapp * following World Wide Web location:
26*062c5bc4SJason Schmidlapp * http://sources.redhat.com/pthreads-win32/contributors.html
27*062c5bc4SJason Schmidlapp *
28*062c5bc4SJason Schmidlapp * This library is free software; you can redistribute it and/or
29*062c5bc4SJason Schmidlapp * modify it under the terms of the GNU Lesser General Public
30*062c5bc4SJason Schmidlapp * License as published by the Free Software Foundation; either
31*062c5bc4SJason Schmidlapp * version 2 of the License, or (at your option) any later version.
32*062c5bc4SJason Schmidlapp *
33*062c5bc4SJason Schmidlapp * This library is distributed in the hope that it will be useful,
34*062c5bc4SJason Schmidlapp * but WITHOUT ANY WARRANTY; without even the implied warranty of
35*062c5bc4SJason Schmidlapp * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
36*062c5bc4SJason Schmidlapp * Lesser General Public License for more details.
37*062c5bc4SJason Schmidlapp *
38*062c5bc4SJason Schmidlapp * You should have received a copy of the GNU Lesser General Public
39*062c5bc4SJason Schmidlapp * License along with this library in the file COPYING.LIB;
40*062c5bc4SJason Schmidlapp * if not, write to the Free Software Foundation, Inc.,
41*062c5bc4SJason Schmidlapp * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
42*062c5bc4SJason Schmidlapp */
43*062c5bc4SJason Schmidlapp
44*062c5bc4SJason Schmidlapp
45*062c5bc4SJason Schmidlapp #include "pthread.h"
46*062c5bc4SJason Schmidlapp #include "implement.h"
47*062c5bc4SJason Schmidlapp
48*062c5bc4SJason Schmidlapp
49*062c5bc4SJason Schmidlapp void *
pthread_getspecific(pthread_key_t key)50*062c5bc4SJason Schmidlapp pthread_getspecific (pthread_key_t key)
51*062c5bc4SJason Schmidlapp /*
52*062c5bc4SJason Schmidlapp * ------------------------------------------------------
53*062c5bc4SJason Schmidlapp * DOCPUBLIC
54*062c5bc4SJason Schmidlapp * This function returns the current value of key in the
55*062c5bc4SJason Schmidlapp * calling thread. If no value has been set for 'key' in
56*062c5bc4SJason Schmidlapp * the thread, NULL is returned.
57*062c5bc4SJason Schmidlapp *
58*062c5bc4SJason Schmidlapp * PARAMETERS
59*062c5bc4SJason Schmidlapp * key
60*062c5bc4SJason Schmidlapp * an instance of pthread_key_t
61*062c5bc4SJason Schmidlapp *
62*062c5bc4SJason Schmidlapp *
63*062c5bc4SJason Schmidlapp * DESCRIPTION
64*062c5bc4SJason Schmidlapp * This function returns the current value of key in the
65*062c5bc4SJason Schmidlapp * calling thread. If no value has been set for 'key' in
66*062c5bc4SJason Schmidlapp * the thread, NULL is returned.
67*062c5bc4SJason Schmidlapp *
68*062c5bc4SJason Schmidlapp * RESULTS
69*062c5bc4SJason Schmidlapp * key value or NULL on failure
70*062c5bc4SJason Schmidlapp *
71*062c5bc4SJason Schmidlapp * ------------------------------------------------------
72*062c5bc4SJason Schmidlapp */
73*062c5bc4SJason Schmidlapp {
74*062c5bc4SJason Schmidlapp void * ptr;
75*062c5bc4SJason Schmidlapp
76*062c5bc4SJason Schmidlapp if (key == NULL)
77*062c5bc4SJason Schmidlapp {
78*062c5bc4SJason Schmidlapp ptr = NULL;
79*062c5bc4SJason Schmidlapp }
80*062c5bc4SJason Schmidlapp else
81*062c5bc4SJason Schmidlapp {
82*062c5bc4SJason Schmidlapp ptr = pte_osTlsGetValue (key->key);
83*062c5bc4SJason Schmidlapp }
84*062c5bc4SJason Schmidlapp
85*062c5bc4SJason Schmidlapp return ptr;
86*062c5bc4SJason Schmidlapp }
87