mirror of
https://github.com/Kitware/CMake.git
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7fda917fa4
Since commit d1976cd1f2 (CTest: Fix timeout when grandchild keeps pipes
open, 2020-01-13, v3.17.0-rc1~169^2) we no longer hang, but the test
duration we report after the timeout is the amount of time the immediate
child ran before exiting. Fix the logic to instead report the actual
amount of time we spent monitoring the test before the timeout.
Fixes: #20509
131 lines
3.0 KiB
C++
131 lines
3.0 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#ifndef cmProcess_h
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#define cmProcess_h
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#include "cmConfigure.h" // IWYU pragma: keep
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#include <chrono>
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#include <string>
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#include <vector>
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#include <stddef.h>
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#include <stdint.h>
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#include "cm_uv.h"
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#include "cmDuration.h"
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#include "cmProcessOutput.h"
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#include "cmUVHandlePtr.h"
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class cmCTestRunTest;
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/** \class cmProcess
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* \brief run a process with c++
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*
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* cmProcess wraps the kwsys process stuff in a c++ class.
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*/
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class cmProcess
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{
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public:
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explicit cmProcess(cmCTestRunTest& runner);
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~cmProcess();
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void SetCommand(std::string const& command);
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void SetCommandArguments(std::vector<std::string> const& arg);
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void SetWorkingDirectory(std::string const& dir);
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void SetTimeout(cmDuration t) { this->Timeout = t; }
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void ChangeTimeout(cmDuration t);
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void ResetStartTime();
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// Return true if the process starts
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bool StartProcess(uv_loop_t& loop, std::vector<size_t>* affinity);
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enum class State
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{
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Starting,
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Error,
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Exception,
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Executing,
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Exited,
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Expired,
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Killed,
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Disowned
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};
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State GetProcessStatus();
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int GetId() { return this->Id; }
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void SetId(int id) { this->Id = id; }
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int64_t GetExitValue() { return this->ExitValue; }
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cmDuration GetTotalTime() { return this->TotalTime; }
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enum class Exception
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{
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None,
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Fault,
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Illegal,
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Interrupt,
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Numerical,
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Other
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};
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Exception GetExitException();
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std::string GetExitExceptionString();
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private:
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cmDuration Timeout;
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std::chrono::steady_clock::time_point StartTime;
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cmDuration TotalTime;
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bool ReadHandleClosed = false;
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bool ProcessHandleClosed = false;
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cm::uv_process_ptr Process;
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cm::uv_pipe_ptr PipeReader;
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cm::uv_timer_ptr Timer;
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std::vector<char> Buf;
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cmCTestRunTest& Runner;
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cmProcessOutput Conv;
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int Signal = 0;
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cmProcess::State ProcessState = cmProcess::State::Starting;
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static void OnExitCB(uv_process_t* process, int64_t exit_status,
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int term_signal);
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static void OnTimeoutCB(uv_timer_t* timer);
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static void OnReadCB(uv_stream_t* stream, ssize_t nread,
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const uv_buf_t* buf);
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static void OnAllocateCB(uv_handle_t* handle, size_t suggested_size,
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uv_buf_t* buf);
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void OnExit(int64_t exit_status, int term_signal);
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void OnTimeout();
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void OnRead(ssize_t nread, const uv_buf_t* buf);
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void OnAllocate(size_t suggested_size, uv_buf_t* buf);
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void StartTimer();
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void Finish();
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class Buffer : public std::vector<char>
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{
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// Half-open index range of partial line already scanned.
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size_type First;
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size_type Last;
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public:
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Buffer()
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: First(0)
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, Last(0)
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{
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}
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bool GetLine(std::string& line);
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bool GetLast(std::string& line);
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};
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Buffer Output;
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std::string Command;
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std::string WorkingDirectory;
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std::vector<std::string> Arguments;
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std::vector<const char*> ProcessArgs;
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int Id;
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int64_t ExitValue;
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};
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#endif
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