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Notify sink enable and disable events.

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This commit is contained in:
Peter Johnson
2016-11-18 10:20:56 -08:00
parent 22c11fad36
commit 9945459a41
2 changed files with 35 additions and 22 deletions
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25
src/SinkImpl.h
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@@ -32,28 +32,9 @@ class SinkImpl {
void SetDescription(llvm::StringRef description);
llvm::StringRef GetDescription(llvm::SmallVectorImpl<char>& buf) const;
void Enable() {
std::lock_guard<std::mutex> lock(m_mutex);
if (m_enabledCount == 0 && m_source) m_source->EnableSink();
++m_enabledCount;
}
void Disable() {
std::lock_guard<std::mutex> lock(m_mutex);
--m_enabledCount;
if (m_enabledCount == 0 && m_source) m_source->DisableSink();
}
void SetEnabled(bool enabled) {
std::lock_guard<std::mutex> lock(m_mutex);
if (enabled && m_enabledCount == 0) {
if (m_source) m_source->EnableSink();
m_enabledCount = 1;
} else if (!enabled && m_enabledCount > 0) {
if (m_source) m_source->DisableSink();
m_enabledCount = 0;
}
}
void Enable();
void Disable();
void SetEnabled(bool enabled);
void SetSource(std::shared_ptr<SourceImpl> source);