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keepassxc/src/thirdparty/ykcore/yktsd.h
2021-09-05 09:11:04 -04:00

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