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62 lines
2.7 KiB
C++
62 lines
2.7 KiB
C++
/* yktsd.h -*- mode:C; c-file-style: "gnu" -*- */
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/* Note: this file is copied from Levitte Programming's LPlib and reworked
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for ykcore */
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/*
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* Copyright (c) 2008-2012 Yubico AB
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* Copyright (c) 2010 Simon Josefsson <simon@josefsson.org>
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* Copyright (c) 2003, 2004 Richard Levitte <richard@levitte.org>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef YKTSD_H
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#define YKTSD_H
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/* Define thread-specific data primitives */
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#if defined _WIN32
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#include <windows.h>
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#include <errno.h>
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#define yk__TSD_TYPE DWORD
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#define yk__TSD_ALLOC(key,nop) ((key = TlsAlloc()) == TLS_OUT_OF_INDEXES ? EAGAIN : 0)
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#define yk__TSD_FREE(key) (!TlsFree(key))
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#define yk__TSD_SET(key,value) (!TlsSetValue(key,value))
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#define yk__TSD_GET(key) TlsGetValue(key)
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#else
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#include <pthread.h>
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#define yk__TSD_TYPE pthread_key_t
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#define yk__TSD_ALLOC(key,destr) pthread_key_create(&key, destr)
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#define yk__TSD_FREE(key) pthread_key_delete(key)
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#define yk__TSD_SET(key,value) pthread_setspecific(key,(void *)value)
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#define yk__TSD_GET(key) pthread_getspecific(key)
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#endif
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/* Define the high-level macros that we use. */
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#define YK_TSD_METADATA(x) yk__tsd_##x
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#define YK_DEFINE_TSD_METADATA(x) static yk__TSD_TYPE YK_TSD_METADATA(x)
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#define YK_TSD_INIT(x,destr) yk__TSD_ALLOC(YK_TSD_METADATA(x),destr)
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#define YK_TSD_DESTROY(x) yk__TSD_FREE(YK_TSD_METADATA(x))
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#define YK_TSD_SET(x,value) yk__TSD_SET(YK_TSD_METADATA(x),value)
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#define YK_TSD_GET(type,x) (type)yk__TSD_GET(YK_TSD_METADATA(x))
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#endif
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