projects / wxWidgets.git / blame
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|---|---|---|
| 64a044d5 VZ |
1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: wx/unix/tls.h | |
| 3 | // Purpose: Win32 implementation of wxTlsValue<> | |
| 4 | // Author: Vadim Zeitlin | |
| 5 | // Created: 2008-08-08 | |
| 6 | // RCS-ID: $Id$ | |
| 7 | // Copyright: (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org> | |
| 8 | // Licence: wxWindows licence | |
| 9 | /////////////////////////////////////////////////////////////////////////////// | |
| 10 | ||
| 11 | #ifndef _WX_MSW_TLS_H_ | |
| 12 | #define _WX_MSW_TLS_H_ | |
| 13 | ||
| 64a044d5 VZ |
14 | #include "wx/msw/wrapwin.h" |
| 15 | ||
| 16 | // ---------------------------------------------------------------------------- | |
| 17 | // wxTlsKey is a helper class encapsulating a TLS slot | |
| 18 | // ---------------------------------------------------------------------------- | |
| 19 | ||
| 20 | class wxTlsKey | |
| 21 | { | |
| 22 | public: | |
| 23 | // ctor allocates a new key | |
| 24 | wxTlsKey() | |
| 25 | { | |
| 26 | m_slot = ::TlsAlloc(); | |
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27 | } |
| 28 | ||
| 29 | // return true if the key was successfully allocated | |
| 30 | bool IsOk() const { return m_slot != TLS_OUT_OF_INDEXES; } | |
| 31 | ||
| 32 | // get the key value, there is no error return | |
| 33 | void *Get() const | |
| 34 | { | |
| 35 | return ::TlsGetValue(m_slot); | |
| 36 | } | |
| 37 | ||
| 38 | // change the key value, return true if ok | |
| 39 | bool Set(void *value) | |
| 40 | { | |
| 8b73c531 | 41 | return ::TlsSetValue(m_slot, value) != 0; |
| 64a044d5 VZ |
42 | } |
| 43 | ||
| 44 | // free the key | |
| 45 | ~wxTlsKey() | |
| 46 | { | |
| 47 | if ( IsOk() ) | |
| 8b73c531 | 48 | ::TlsFree(m_slot); |
| 64a044d5 VZ |
49 | } |
| 50 | ||
| 51 | private: | |
| 52 | DWORD m_slot; | |
| 53 | ||
| c0c133e1 | 54 | wxDECLARE_NO_COPY_CLASS(wxTlsKey); |
| 64a044d5 VZ |
55 | }; |
| 56 | ||
| 57 | #endif // _WX_MSW_TLS_H_ | |
| 58 |