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81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
// $Id: Sig_Adapter.cpp 96257 2012-11-12 13:35:09Z johnnyw $
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#include "ace/Sig_Adapter.h"
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ACE_Sig_Adapter::ACE_Sig_Adapter (ACE_Sig_Action &sa, int sigkey)
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: sigkey_ (sigkey),
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type_ (SIG_ACTION),
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sa_ (sa),
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eh_ (0),
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sig_func_ (0)
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{
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// ACE_TRACE ("ACE_Sig_Adapter::ACE_Sig_Adapter");
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}
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ACE_Sig_Adapter::ACE_Sig_Adapter (ACE_Event_Handler *eh,
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int sigkey)
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: sigkey_ (sigkey),
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type_ (ACE_HANDLER),
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eh_ (eh),
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sig_func_ (0)
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{
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// ACE_TRACE ("ACE_Sig_Adapter::ACE_Sig_Adapter");
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}
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ACE_Sig_Adapter::ACE_Sig_Adapter (ACE_Sig_Handler_Ex sig_func,
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int sigkey)
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: sigkey_ (sigkey),
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type_ (C_FUNCTION),
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eh_ (0),
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sig_func_ (sig_func)
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{
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// ACE_TRACE ("ACE_Sig_Adapter::ACE_Sig_Adapter");
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}
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ACE_Sig_Adapter::~ACE_Sig_Adapter ()
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{
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}
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int
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ACE_Sig_Adapter::sigkey (void)
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{
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ACE_TRACE ("ACE_Sig_Adapter::sigkey");
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return this->sigkey_;
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}
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int
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ACE_Sig_Adapter::handle_signal (int signum,
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siginfo_t *siginfo,
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ucontext_t *ucontext)
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{
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ACE_TRACE ("ACE_Sig_Adapter::handle_signal");
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switch (this->type_)
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{
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case SIG_ACTION:
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{
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// We have to dispatch a handler that was registered by a
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// third-party library.
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ACE_Sig_Action old_disp;
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// Make sure this handler executes in the context it was
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// expecting...
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this->sa_.register_action (signum, &old_disp);
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ACE_Sig_Handler_Ex sig_func = ACE_Sig_Handler_Ex (this->sa_.handler ());
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(*sig_func) (signum, siginfo, ucontext);
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// Restore the original disposition.
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old_disp.register_action (signum);
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break;
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}
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case ACE_HANDLER:
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this->eh_->handle_signal (signum, siginfo, ucontext);
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break;
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case C_FUNCTION:
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(*this->sig_func_) (signum, siginfo, ucontext);
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break;
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}
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return 0;
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}
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