4446487d71
Summary: There is an issue in lldb where the command prompt can appear at the wrong time. The partial fix we have in for this is not working all the time and is introducing unnecessary delays. This change does: - Change Process:SyncIOHandler to use integer start id's for synchronization to avoid it being confused by quick start-stop cycles. I picked this up from a suggested patch by Greg to lldb-dev. - coordinates printing of asynchronous text with the iohandlers. This is also based on a (different) Greg's patch, but I have added stronger synchronization to it to avoid races. Together, these changes solve the prompt problem for me on linux (both with and without libedit). I think they should behave similarly on Mac and FreeBSD and I think they will not make matters worse for windows. Test Plan: Prompt comes out alright. All tests still pass on linux. Reviewers: clayborg, emaste, zturner Subscribers: lldb-commits Differential Revision: http://reviews.llvm.org/D9823 llvm-svn: 238313
49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
//===-- StreamBroadcast.cpp -------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Core/StreamAsynchronousIO.h"
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#include "lldb/lldb-private.h"
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#include "lldb/Core/Debugger.h"
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using namespace lldb;
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using namespace lldb_private;
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StreamAsynchronousIO::StreamAsynchronousIO (Debugger &debugger, bool for_stdout) :
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Stream (0, 4, eByteOrderBig),
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m_debugger (debugger),
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m_data (),
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m_for_stdout (for_stdout)
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{
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}
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StreamAsynchronousIO::~StreamAsynchronousIO ()
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{
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// Flush when we destroy to make sure we display the data
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Flush();
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}
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void
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StreamAsynchronousIO::Flush ()
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{
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if (!m_data.empty())
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{
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m_debugger.PrintAsync (m_data.data(), m_data.size(), m_for_stdout);
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m_data = std::move(std::string());
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}
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}
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size_t
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StreamAsynchronousIO::Write (const void *s, size_t length)
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{
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m_data.append ((const char *)s, length);
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return length;
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}
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