2c6dbc21b9
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@55385 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/os2/tls.h
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// Purpose: OS/2 implementation of wxTlsValue<>
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// Author: Stefan Neis
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// Created: 2008-08-30
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// RCS-ID: $Id$
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// Copyright: (c) 2008 Stefan Neis
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_MSW_TLS_H_
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#define _WX_MSW_TLS_H_
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#include "wx/os2/private.h"
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// ----------------------------------------------------------------------------
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// wxTlsKey is a helper class encapsulating a TLS slot
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// ----------------------------------------------------------------------------
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class wxTlsKey
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{
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public:
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// ctor allocates a new key
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wxTlsKey()
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{
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APIRET rc = ::DosAllocThreadLocalMemory(1, &m_slot);
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if (rc != NO_ERROR)
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m_slot = NULL;
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}
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// return true if the key was successfully allocated
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bool IsOk() const { return m_slot != NULL; }
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// get the key value, there is no error return
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void *Get() const
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{
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return (void *)m_slot;
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}
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// change the key value, return true if ok
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bool Set(void *value)
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{
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m_slot = (ULONG*)value;
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return true;
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}
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// free the key
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~wxTlsKey()
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{
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if ( IsOk() )
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::DosFreeThreadLocalMemory(m_slot);
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}
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private:
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ULONG* m_slot;
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DECLARE_NO_COPY_CLASS(wxTlsKey)
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};
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#endif // _WX_MSW_TLS_H_
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