6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
91 lines
3.0 KiB
C++
91 lines
3.0 KiB
C++
//===-- PipeWindows.h -------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef liblldb_Host_windows_PipeWindows_h_
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#define liblldb_Host_windows_PipeWindows_h_
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#include "lldb/Host/PipeBase.h"
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#include "lldb/Host/windows/windows.h"
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namespace lldb_private {
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/// \class Pipe PipeWindows.h "lldb/Host/windows/PipeWindows.h"
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/// A windows-based implementation of Pipe, a class that abtracts
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/// unix style pipes.
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///
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/// A class that abstracts the LLDB core from host pipe functionality.
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class PipeWindows : public PipeBase {
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public:
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static const int kInvalidDescriptor = -1;
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public:
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PipeWindows();
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PipeWindows(lldb::pipe_t read, lldb::pipe_t write);
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~PipeWindows() override;
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// Create an unnamed pipe.
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Status CreateNew(bool child_process_inherit) override;
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// Create a named pipe.
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Status CreateNew(llvm::StringRef name, bool child_process_inherit) override;
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Status CreateWithUniqueName(llvm::StringRef prefix,
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bool child_process_inherit,
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llvm::SmallVectorImpl<char> &name) override;
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Status OpenAsReader(llvm::StringRef name,
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bool child_process_inherit) override;
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Status
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OpenAsWriterWithTimeout(llvm::StringRef name, bool child_process_inherit,
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const std::chrono::microseconds &timeout) override;
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bool CanRead() const override;
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bool CanWrite() const override;
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lldb::pipe_t GetReadPipe() const override { return lldb::pipe_t(m_read); }
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lldb::pipe_t GetWritePipe() const override { return lldb::pipe_t(m_write); }
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int GetReadFileDescriptor() const override;
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int GetWriteFileDescriptor() const override;
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int ReleaseReadFileDescriptor() override;
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int ReleaseWriteFileDescriptor() override;
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void CloseReadFileDescriptor() override;
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void CloseWriteFileDescriptor() override;
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void Close() override;
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Status Delete(llvm::StringRef name) override;
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Status WriteWithTimeout(const void *buf, size_t size,
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const std::chrono::microseconds &timeout,
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size_t &bytes_written) override;
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Status ReadWithTimeout(void *buf, size_t size,
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const std::chrono::microseconds &timeout,
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size_t &bytes_read) override;
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// PipeWindows specific methods. These allow access to the underlying OS
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// handle.
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HANDLE GetReadNativeHandle();
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HANDLE GetWriteNativeHandle();
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private:
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Status OpenNamedPipe(llvm::StringRef name, bool child_process_inherit,
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bool is_read);
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HANDLE m_read;
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HANDLE m_write;
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int m_read_fd;
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int m_write_fd;
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OVERLAPPED m_read_overlapped;
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OVERLAPPED m_write_overlapped;
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};
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} // namespace lldb_private
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#endif // liblldb_Host_posix_PipePosix_h_
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