66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
/*
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Copyright (C) 2004-2006 Grame
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "JackWinNamedPipeServerNotifyChannel.h"
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#include "JackError.h"
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#include "JackRequest.h"
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#include "JackConstants.h"
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#include "JackNotification.h"
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namespace Jack
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{
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int JackWinNamedPipeServerNotifyChannel::Open(const char* server_name)
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{
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if (fRequestPipe.Connect(jack_server_dir, server_name, 0) < 0) {
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jack_error("Cannot connect to server pipe");
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return -1;
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} else {
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return 0;
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}
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}
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void JackWinNamedPipeServerNotifyChannel::Close()
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{
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fRequestPipe.Close();
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}
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/*
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The requirement is that the Notification from RT thread can be delivered... not sure using a pipe is adequate here...
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Can the write operation block?
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A non blocking write operation should be used : check if write can succeed, and ignore the notification otherwise
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(since its mainly used for XRun, ignoring a notification is OK, successive XRun will come...)
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*/
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void JackWinNamedPipeServerNotifyChannel::Notify(int refnum, int notify, int value)
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{
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JackClientNotificationRequest req(refnum, notify, value);
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if (req.Write(&fRequestPipe) < 0) {
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jack_error("Could not write notification ref = %d notify = %d", refnum, notify);
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}
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}
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void JackWinNamedPipeServerNotifyChannel::NotifyQuit()
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{
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Notify(-1, kQUIT, 0);
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}
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} // end of namespace
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