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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 18:07:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 18:07:22 +0000 |
commit | c04dcc2e7d834218ef2d4194331e383402495ae1 (patch) | |
tree | 7333e38d10d75386e60f336b80c2443c1166031d /lib/libUPnP/Neptune/Source/System/Posix/NptSelectableMessageQueue.cpp | |
parent | Initial commit. (diff) | |
download | kodi-c04dcc2e7d834218ef2d4194331e383402495ae1.tar.xz kodi-c04dcc2e7d834218ef2d4194331e383402495ae1.zip |
Adding upstream version 2:20.4+dfsg.upstream/2%20.4+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/libUPnP/Neptune/Source/System/Posix/NptSelectableMessageQueue.cpp')
-rw-r--r-- | lib/libUPnP/Neptune/Source/System/Posix/NptSelectableMessageQueue.cpp | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/lib/libUPnP/Neptune/Source/System/Posix/NptSelectableMessageQueue.cpp b/lib/libUPnP/Neptune/Source/System/Posix/NptSelectableMessageQueue.cpp new file mode 100644 index 0000000..3b48e2b --- /dev/null +++ b/lib/libUPnP/Neptune/Source/System/Posix/NptSelectableMessageQueue.cpp @@ -0,0 +1,84 @@ +/***************************************************************** +| +| Neptune - Selectable Message Queue +| +| (c) 2001-2003 Gilles Boccon-Gibod +| Author: Gilles Boccon-Gibod (bok@bok.net) +| + ****************************************************************/ + +/*---------------------------------------------------------------------- +| includes ++---------------------------------------------------------------------*/ +#include <unistd.h> + +#include "NptSelectableMessageQueue.h" +#include "NptDebug.h" + +/*---------------------------------------------------------------------- +| NPT_SelectableMessageQueue::NPT_SelectableMessageQueue ++---------------------------------------------------------------------*/ +NPT_SelectableMessageQueue::NPT_SelectableMessageQueue() +{ + if (pipe(m_Pipe) != 0) { + m_Pipe[0] = -1; + m_Pipe[1] = -1; + } +} + +/*---------------------------------------------------------------------- +| NPT_SelectableMessageQueue::~NPT_SelectableMessageQueue ++---------------------------------------------------------------------*/ +NPT_SelectableMessageQueue::~NPT_SelectableMessageQueue() +{ + close(m_Pipe[0]); + close(m_Pipe[1]); +} + +/*---------------------------------------------------------------------- +| NPT_SelectableMessageQueue::QueueMessage ++---------------------------------------------------------------------*/ +NPT_Result +NPT_SelectableMessageQueue::QueueMessage(NPT_Message* message, + NPT_MessageHandler* handler) +{ + // first, queue the message + NPT_Result result = NPT_SimpleMessageQueue::QueueMessage(message, handler); + + // then write a byte on the pipe to signal that there is a message + if (write(m_Pipe[1], "\0", 1) != 1) { + result = NPT_FAILURE; + } + + return result; +} + +/*---------------------------------------------------------------------- +| NPT_SelectableMessageQueue::PumpMessage ++---------------------------------------------------------------------*/ +NPT_Result +NPT_SelectableMessageQueue::PumpMessage(NPT_Timeout timeout) +{ + NPT_Result result = NPT_SimpleMessageQueue::PumpMessage(timeout); + if (NPT_SUCCEEDED(result)) { + // flush the event + FlushEvent(); + } + return result; +} + +/*---------------------------------------------------------------------- +| NPT_SelectableMessageQueue::FlushEvent ++---------------------------------------------------------------------*/ +NPT_Result +NPT_SelectableMessageQueue::FlushEvent() +{ + char buffer[1]; + if (read(m_Pipe[0], buffer, 1) != 1) { + return NPT_FAILURE; + } + + return NPT_SUCCESS; +} + + |