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author | William R. Otte <wotte@dre.vanderbilt.edu> | 2008-03-04 14:51:23 +0000 |
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committer | William R. Otte <wotte@dre.vanderbilt.edu> | 2008-03-04 14:51:23 +0000 |
commit | 99aa8c60282c7b8072eb35eb9ac815702f5bf586 (patch) | |
tree | bda96bf8c3a4c2875a083d7b16720533c8ffeaf4 /ACE/ace/Sig_Adapter.h | |
parent | c4078c377d74290ebe4e66da0b4975da91732376 (diff) | |
download | ATCD-99aa8c60282c7b8072eb35eb9ac815702f5bf586.tar.gz |
undoing accidental deletion
Diffstat (limited to 'ACE/ace/Sig_Adapter.h')
-rw-r--r-- | ACE/ace/Sig_Adapter.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/ACE/ace/Sig_Adapter.h b/ACE/ace/Sig_Adapter.h new file mode 100644 index 00000000000..5e8369b2ad8 --- /dev/null +++ b/ACE/ace/Sig_Adapter.h @@ -0,0 +1,81 @@ +// -*- C++ -*- + +//============================================================================= +/** + * @file Sig_Adapter.h + * + * $Id$ + * + * @author Douglas C. Schmidt <schmidt@cs.wustl.edu> + */ +//============================================================================= + +#ifndef ACE_SIG_ADAPTER_H +#define ACE_SIG_ADAPTER_H + +#include /**/ "ace/pre.h" + +#include /**/ "ace/ACE_export.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "ace/Event_Handler.h" +#include "ace/Signal.h" + +ACE_BEGIN_VERSIONED_NAMESPACE_DECL + +/** + * @class ACE_Sig_Adapter + * + * @brief Provide an adapter that transforms various types of signal + * handlers into the scheme used by the ACE_Reactor. + */ +class ACE_Export ACE_Sig_Adapter : public ACE_Event_Handler +{ +public: + ACE_Sig_Adapter (ACE_Sig_Action &, int sigkey); + ACE_Sig_Adapter (ACE_Event_Handler *, int sigkey); + ACE_Sig_Adapter (ACE_Sig_Handler_Ex, int sigkey = 0); + ~ACE_Sig_Adapter (void); + + /// Returns this signal key that's used to remove this from the + /// ACE_Reactor's internal table. + int sigkey (void); + + /// Called by the <Reactor> to dispatch the signal handler. + virtual int handle_signal (int, siginfo_t *, ucontext_t *); + +private: + /// Key for this signal handler (used to remove it). + int sigkey_; + + /// Is this an external handler or an ACE handler? + enum + { + /// We're just wrapping an ACE_Event_Handler. + ACE_HANDLER, + /// An ACE_Sig_Action. + SIG_ACTION, + /// A normal C function. + C_FUNCTION + } type_; + + // = This should be a union, but C++ won't allow that because the + // <ACE_Sig_Action> has a constructor. + /// This is an external handler (ugh). + ACE_Sig_Action sa_; + + /// This is an ACE hander. + ACE_Event_Handler *eh_; + + /// This is a normal C function. + ACE_Sig_Handler_Ex sig_func_; +}; + +ACE_END_VERSIONED_NAMESPACE_DECL + +#include /**/ "ace/post.h" + +#endif /* ACE_SIG_ADAPTER_H */ |