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d7204e649e
Run the `clang-format.bash` script to update all our C and C++ code to a new style defined by `.clang-format`. Use `clang-format` version 6.0. * If you reached this commit for a line in `git blame`, re-run the blame operation starting at the parent of this commit to see older history for the content. * See the parent commit for instructions to rebase a change across this style transition commit.
737 lines
18 KiB
C++
737 lines
18 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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#include "cmProcess.h"
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#include "cmCTest.h"
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#include "cmCTestRunTest.h"
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#include "cmCTestTestHandler.h"
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#include "cmsys/Process.h"
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#include <algorithm>
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#include <fcntl.h>
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#include <iostream>
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#include <signal.h>
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#include <string>
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#if !defined(_WIN32)
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# include <unistd.h>
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#endif
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#define CM_PROCESS_BUF_SIZE 65536
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#if defined(_WIN32) && !defined(__CYGWIN__)
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# include <io.h>
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static int cmProcessGetPipes(int* fds)
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{
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SECURITY_ATTRIBUTES attr;
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HANDLE readh, writeh;
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attr.nLength = sizeof(attr);
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attr.lpSecurityDescriptor = nullptr;
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attr.bInheritHandle = FALSE;
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if (!CreatePipe(&readh, &writeh, &attr, 0))
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return uv_translate_sys_error(GetLastError());
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fds[0] = _open_osfhandle((intptr_t)readh, 0);
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fds[1] = _open_osfhandle((intptr_t)writeh, 0);
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if (fds[0] == -1 || fds[1] == -1) {
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CloseHandle(readh);
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CloseHandle(writeh);
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return uv_translate_sys_error(GetLastError());
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}
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return 0;
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}
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#else
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# include <errno.h>
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static int cmProcessGetPipes(int* fds)
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{
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if (pipe(fds) == -1) {
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return uv_translate_sys_error(errno);
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}
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if (fcntl(fds[0], F_SETFD, FD_CLOEXEC) == -1 ||
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fcntl(fds[1], F_SETFD, FD_CLOEXEC) == -1) {
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close(fds[0]);
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close(fds[1]);
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return uv_translate_sys_error(errno);
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}
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return 0;
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}
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#endif
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cmProcess::cmProcess(cmCTestRunTest& runner)
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: Runner(runner)
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, Conv(cmProcessOutput::UTF8, CM_PROCESS_BUF_SIZE)
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{
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this->Timeout = cmDuration::zero();
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this->TotalTime = cmDuration::zero();
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this->ExitValue = 0;
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this->Id = 0;
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this->StartTime = std::chrono::steady_clock::time_point();
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}
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cmProcess::~cmProcess()
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{
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}
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void cmProcess::SetCommand(const char* command)
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{
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this->Command = command;
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}
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void cmProcess::SetCommandArguments(std::vector<std::string> const& args)
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{
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this->Arguments = args;
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}
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bool cmProcess::StartProcess(uv_loop_t& loop, std::vector<size_t>* affinity)
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{
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this->ProcessState = cmProcess::State::Error;
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if (this->Command.empty()) {
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return false;
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}
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this->StartTime = std::chrono::steady_clock::now();
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this->ProcessArgs.clear();
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// put the command as arg0
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this->ProcessArgs.push_back(this->Command.c_str());
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// now put the command arguments in
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for (std::string const& arg : this->Arguments) {
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this->ProcessArgs.push_back(arg.c_str());
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}
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this->ProcessArgs.push_back(nullptr); // null terminate the list
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cm::uv_timer_ptr timer;
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int status = timer.init(loop, this);
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if (status != 0) {
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cmCTestLog(this->Runner.GetCTest(), ERROR_MESSAGE,
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"Error initializing timer: " << uv_strerror(status)
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<< std::endl);
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return false;
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}
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cm::uv_pipe_ptr pipe_writer;
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cm::uv_pipe_ptr pipe_reader;
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pipe_writer.init(loop, 0);
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pipe_reader.init(loop, 0, this);
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int fds[2] = { -1, -1 };
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status = cmProcessGetPipes(fds);
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if (status != 0) {
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cmCTestLog(this->Runner.GetCTest(), ERROR_MESSAGE,
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"Error initializing pipe: " << uv_strerror(status)
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<< std::endl);
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return false;
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}
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uv_pipe_open(pipe_reader, fds[0]);
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uv_pipe_open(pipe_writer, fds[1]);
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uv_stdio_container_t stdio[3];
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stdio[0].flags = UV_IGNORE;
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stdio[1].flags = UV_INHERIT_STREAM;
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stdio[1].data.stream = pipe_writer;
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stdio[2] = stdio[1];
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uv_process_options_t options = uv_process_options_t();
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options.file = this->Command.data();
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options.args = const_cast<char**>(this->ProcessArgs.data());
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options.stdio_count = 3; // in, out and err
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options.exit_cb = &cmProcess::OnExitCB;
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options.stdio = stdio;
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#if !defined(CMAKE_USE_SYSTEM_LIBUV)
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std::vector<char> cpumask;
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if (affinity && !affinity->empty()) {
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cpumask.resize(static_cast<size_t>(uv_cpumask_size()), 0);
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for (auto p : *affinity) {
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cpumask[p] = 1;
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}
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options.cpumask = cpumask.data();
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options.cpumask_size = cpumask.size();
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} else {
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options.cpumask = nullptr;
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options.cpumask_size = 0;
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}
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#else
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static_cast<void>(affinity);
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#endif
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status =
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uv_read_start(pipe_reader, &cmProcess::OnAllocateCB, &cmProcess::OnReadCB);
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if (status != 0) {
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cmCTestLog(this->Runner.GetCTest(), ERROR_MESSAGE,
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"Error starting read events: " << uv_strerror(status)
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<< std::endl);
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return false;
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}
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status = this->Process.spawn(loop, options, this);
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if (status != 0) {
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cmCTestLog(this->Runner.GetCTest(), ERROR_MESSAGE,
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"Process not started\n " << this->Command << "\n["
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<< uv_strerror(status) << "]\n");
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return false;
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}
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this->PipeReader = std::move(pipe_reader);
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this->Timer = std::move(timer);
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this->StartTimer();
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this->ProcessState = cmProcess::State::Executing;
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return true;
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}
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void cmProcess::StartTimer()
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{
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auto properties = this->Runner.GetTestProperties();
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auto msec =
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std::chrono::duration_cast<std::chrono::milliseconds>(this->Timeout);
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if (msec != std::chrono::milliseconds(0) || !properties->ExplicitTimeout) {
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this->Timer.start(&cmProcess::OnTimeoutCB,
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static_cast<uint64_t>(msec.count()), 0);
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}
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}
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bool cmProcess::Buffer::GetLine(std::string& line)
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{
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// Scan for the next newline.
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for (size_type sz = this->size(); this->Last != sz; ++this->Last) {
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if ((*this)[this->Last] == '\n' || (*this)[this->Last] == '\0') {
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// Extract the range first..last as a line.
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const char* text = &*this->begin() + this->First;
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size_type length = this->Last - this->First;
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while (length && text[length - 1] == '\r') {
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length--;
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}
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line.assign(text, length);
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// Start a new range for the next line.
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++this->Last;
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this->First = Last;
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// Return the line extracted.
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return true;
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}
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}
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// Available data have been exhausted without a newline.
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if (this->First != 0) {
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// Move the partial line to the beginning of the buffer.
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this->erase(this->begin(), this->begin() + this->First);
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this->First = 0;
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this->Last = this->size();
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}
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return false;
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}
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bool cmProcess::Buffer::GetLast(std::string& line)
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{
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// Return the partial last line, if any.
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if (!this->empty()) {
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line.assign(&*this->begin(), this->size());
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this->First = this->Last = 0;
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this->clear();
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return true;
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}
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return false;
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}
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void cmProcess::OnReadCB(uv_stream_t* stream, ssize_t nread,
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const uv_buf_t* buf)
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{
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auto self = static_cast<cmProcess*>(stream->data);
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self->OnRead(nread, buf);
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}
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void cmProcess::OnRead(ssize_t nread, const uv_buf_t* buf)
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{
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std::string line;
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if (nread > 0) {
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std::string strdata;
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this->Conv.DecodeText(buf->base, static_cast<size_t>(nread), strdata);
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this->Output.insert(this->Output.end(), strdata.begin(), strdata.end());
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while (this->Output.GetLine(line)) {
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this->Runner.CheckOutput(line);
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line.clear();
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}
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return;
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}
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if (nread == 0) {
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return;
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}
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// The process will provide no more data.
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if (nread != UV_EOF) {
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auto error = static_cast<int>(nread);
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cmCTestLog(this->Runner.GetCTest(), ERROR_MESSAGE,
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"Error reading stream: " << uv_strerror(error) << std::endl);
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}
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// Look for partial last lines.
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if (this->Output.GetLast(line)) {
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this->Runner.CheckOutput(line);
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}
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this->ReadHandleClosed = true;
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this->PipeReader.reset();
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if (this->ProcessHandleClosed) {
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uv_timer_stop(this->Timer);
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this->Runner.FinalizeTest();
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}
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}
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void cmProcess::OnAllocateCB(uv_handle_t* handle, size_t suggested_size,
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uv_buf_t* buf)
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{
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auto self = static_cast<cmProcess*>(handle->data);
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self->OnAllocate(suggested_size, buf);
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}
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void cmProcess::OnAllocate(size_t /*suggested_size*/, uv_buf_t* buf)
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{
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if (this->Buf.size() != CM_PROCESS_BUF_SIZE) {
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this->Buf.resize(CM_PROCESS_BUF_SIZE);
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}
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*buf =
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uv_buf_init(this->Buf.data(), static_cast<unsigned int>(this->Buf.size()));
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}
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void cmProcess::OnTimeoutCB(uv_timer_t* timer)
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{
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auto self = static_cast<cmProcess*>(timer->data);
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self->OnTimeout();
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}
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void cmProcess::OnTimeout()
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{
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if (this->ProcessState != cmProcess::State::Executing) {
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return;
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}
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this->ProcessState = cmProcess::State::Expired;
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bool const was_still_reading = !this->ReadHandleClosed;
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if (!this->ReadHandleClosed) {
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this->ReadHandleClosed = true;
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this->PipeReader.reset();
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}
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if (!this->ProcessHandleClosed) {
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// Kill the child and let our on-exit handler finish the test.
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cmsysProcess_KillPID(static_cast<unsigned long>(this->Process->pid));
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} else if (was_still_reading) {
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// Our on-exit handler already ran but did not finish the test
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// because we were still reading output. We've just dropped
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// our read handler, so we need to finish the test now.
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this->Runner.FinalizeTest();
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}
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}
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void cmProcess::OnExitCB(uv_process_t* process, int64_t exit_status,
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int term_signal)
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{
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auto self = static_cast<cmProcess*>(process->data);
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self->OnExit(exit_status, term_signal);
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}
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void cmProcess::OnExit(int64_t exit_status, int term_signal)
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{
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if (this->ProcessState != cmProcess::State::Expired) {
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if (
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#if defined(_WIN32)
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((DWORD)exit_status & 0xF0000000) == 0xC0000000
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#else
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term_signal != 0
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#endif
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) {
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this->ProcessState = cmProcess::State::Exception;
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} else {
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this->ProcessState = cmProcess::State::Exited;
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}
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}
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// Record exit information.
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this->ExitValue = static_cast<int>(exit_status);
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this->Signal = term_signal;
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this->TotalTime = std::chrono::steady_clock::now() - this->StartTime;
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// Because of a processor clock scew the runtime may become slightly
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// negative. If someone changed the system clock while the process was
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// running this may be even more. Make sure not to report a negative
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// duration here.
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if (this->TotalTime <= cmDuration::zero()) {
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this->TotalTime = cmDuration::zero();
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}
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this->ProcessHandleClosed = true;
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if (this->ReadHandleClosed) {
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uv_timer_stop(this->Timer);
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this->Runner.FinalizeTest();
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}
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}
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cmProcess::State cmProcess::GetProcessStatus()
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{
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return this->ProcessState;
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}
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void cmProcess::ChangeTimeout(cmDuration t)
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{
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this->Timeout = t;
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this->StartTimer();
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}
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void cmProcess::ResetStartTime()
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{
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this->StartTime = std::chrono::steady_clock::now();
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}
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cmProcess::Exception cmProcess::GetExitException()
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{
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auto exception = Exception::None;
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#if defined(_WIN32) && !defined(__CYGWIN__)
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auto exit_code = (DWORD)this->ExitValue;
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if ((exit_code & 0xF0000000) != 0xC0000000) {
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return exception;
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}
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if (exit_code) {
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switch (exit_code) {
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case STATUS_DATATYPE_MISALIGNMENT:
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case STATUS_ACCESS_VIOLATION:
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case STATUS_IN_PAGE_ERROR:
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case STATUS_INVALID_HANDLE:
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case STATUS_NONCONTINUABLE_EXCEPTION:
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case STATUS_INVALID_DISPOSITION:
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case STATUS_ARRAY_BOUNDS_EXCEEDED:
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case STATUS_STACK_OVERFLOW:
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exception = Exception::Fault;
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break;
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case STATUS_FLOAT_DENORMAL_OPERAND:
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case STATUS_FLOAT_DIVIDE_BY_ZERO:
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case STATUS_FLOAT_INEXACT_RESULT:
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case STATUS_FLOAT_INVALID_OPERATION:
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case STATUS_FLOAT_OVERFLOW:
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case STATUS_FLOAT_STACK_CHECK:
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case STATUS_FLOAT_UNDERFLOW:
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# ifdef STATUS_FLOAT_MULTIPLE_FAULTS
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case STATUS_FLOAT_MULTIPLE_FAULTS:
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# endif
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# ifdef STATUS_FLOAT_MULTIPLE_TRAPS
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case STATUS_FLOAT_MULTIPLE_TRAPS:
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# endif
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case STATUS_INTEGER_DIVIDE_BY_ZERO:
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case STATUS_INTEGER_OVERFLOW:
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exception = Exception::Numerical;
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break;
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case STATUS_CONTROL_C_EXIT:
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exception = Exception::Interrupt;
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break;
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case STATUS_ILLEGAL_INSTRUCTION:
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case STATUS_PRIVILEGED_INSTRUCTION:
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exception = Exception::Illegal;
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break;
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default:
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exception = Exception::Other;
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}
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}
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#else
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if (this->Signal) {
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switch (this->Signal) {
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case SIGSEGV:
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exception = Exception::Fault;
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break;
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case SIGFPE:
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exception = Exception::Numerical;
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break;
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case SIGINT:
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exception = Exception::Interrupt;
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break;
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case SIGILL:
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exception = Exception::Illegal;
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break;
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default:
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exception = Exception::Other;
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}
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}
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#endif
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return exception;
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}
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std::string cmProcess::GetExitExceptionString()
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{
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std::string exception_str;
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#if defined(_WIN32)
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switch (this->ExitValue) {
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case STATUS_CONTROL_C_EXIT:
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exception_str = "User interrupt";
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break;
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case STATUS_FLOAT_DENORMAL_OPERAND:
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exception_str = "Floating-point exception (denormal operand)";
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break;
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case STATUS_FLOAT_DIVIDE_BY_ZERO:
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exception_str = "Divide-by-zero";
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break;
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case STATUS_FLOAT_INEXACT_RESULT:
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exception_str = "Floating-point exception (inexact result)";
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break;
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case STATUS_FLOAT_INVALID_OPERATION:
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exception_str = "Invalid floating-point operation";
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break;
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case STATUS_FLOAT_OVERFLOW:
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exception_str = "Floating-point overflow";
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break;
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case STATUS_FLOAT_STACK_CHECK:
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exception_str = "Floating-point stack check failed";
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break;
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case STATUS_FLOAT_UNDERFLOW:
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exception_str = "Floating-point underflow";
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break;
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# ifdef STATUS_FLOAT_MULTIPLE_FAULTS
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case STATUS_FLOAT_MULTIPLE_FAULTS:
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exception_str = "Floating-point exception (multiple faults)";
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break;
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# endif
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# ifdef STATUS_FLOAT_MULTIPLE_TRAPS
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case STATUS_FLOAT_MULTIPLE_TRAPS:
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exception_str = "Floating-point exception (multiple traps)";
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break;
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# endif
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case STATUS_INTEGER_DIVIDE_BY_ZERO:
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exception_str = "Integer divide-by-zero";
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break;
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case STATUS_INTEGER_OVERFLOW:
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exception_str = "Integer overflow";
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break;
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case STATUS_DATATYPE_MISALIGNMENT:
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exception_str = "Datatype misalignment";
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break;
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case STATUS_ACCESS_VIOLATION:
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exception_str = "Access violation";
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break;
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case STATUS_IN_PAGE_ERROR:
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exception_str = "In-page error";
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break;
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case STATUS_INVALID_HANDLE:
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exception_str = "Invalid handle";
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break;
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case STATUS_NONCONTINUABLE_EXCEPTION:
|
|
exception_str = "Noncontinuable exception";
|
|
break;
|
|
case STATUS_INVALID_DISPOSITION:
|
|
exception_str = "Invalid disposition";
|
|
break;
|
|
case STATUS_ARRAY_BOUNDS_EXCEEDED:
|
|
exception_str = "Array bounds exceeded";
|
|
break;
|
|
case STATUS_STACK_OVERFLOW:
|
|
exception_str = "Stack overflow";
|
|
break;
|
|
|
|
case STATUS_ILLEGAL_INSTRUCTION:
|
|
exception_str = "Illegal instruction";
|
|
break;
|
|
case STATUS_PRIVILEGED_INSTRUCTION:
|
|
exception_str = "Privileged instruction";
|
|
break;
|
|
case STATUS_NO_MEMORY:
|
|
default:
|
|
char buf[1024];
|
|
_snprintf(buf, 1024, "Exit code 0x%x\n", this->ExitValue);
|
|
exception_str.assign(buf);
|
|
}
|
|
#else
|
|
switch (this->Signal) {
|
|
# ifdef SIGSEGV
|
|
case SIGSEGV:
|
|
exception_str = "Segmentation fault";
|
|
break;
|
|
# endif
|
|
# ifdef SIGBUS
|
|
# if !defined(SIGSEGV) || SIGBUS != SIGSEGV
|
|
case SIGBUS:
|
|
exception_str = "Bus error";
|
|
break;
|
|
# endif
|
|
# endif
|
|
# ifdef SIGFPE
|
|
case SIGFPE:
|
|
exception_str = "Floating-point exception";
|
|
break;
|
|
# endif
|
|
# ifdef SIGILL
|
|
case SIGILL:
|
|
exception_str = "Illegal instruction";
|
|
break;
|
|
# endif
|
|
# ifdef SIGINT
|
|
case SIGINT:
|
|
exception_str = "User interrupt";
|
|
break;
|
|
# endif
|
|
# ifdef SIGABRT
|
|
case SIGABRT:
|
|
exception_str = "Child aborted";
|
|
break;
|
|
# endif
|
|
# ifdef SIGKILL
|
|
case SIGKILL:
|
|
exception_str = "Child killed";
|
|
break;
|
|
# endif
|
|
# ifdef SIGTERM
|
|
case SIGTERM:
|
|
exception_str = "Child terminated";
|
|
break;
|
|
# endif
|
|
# ifdef SIGHUP
|
|
case SIGHUP:
|
|
exception_str = "SIGHUP";
|
|
break;
|
|
# endif
|
|
# ifdef SIGQUIT
|
|
case SIGQUIT:
|
|
exception_str = "SIGQUIT";
|
|
break;
|
|
# endif
|
|
# ifdef SIGTRAP
|
|
case SIGTRAP:
|
|
exception_str = "SIGTRAP";
|
|
break;
|
|
# endif
|
|
# ifdef SIGIOT
|
|
# if !defined(SIGABRT) || SIGIOT != SIGABRT
|
|
case SIGIOT:
|
|
exception_str = "SIGIOT";
|
|
break;
|
|
# endif
|
|
# endif
|
|
# ifdef SIGUSR1
|
|
case SIGUSR1:
|
|
exception_str = "SIGUSR1";
|
|
break;
|
|
# endif
|
|
# ifdef SIGUSR2
|
|
case SIGUSR2:
|
|
exception_str = "SIGUSR2";
|
|
break;
|
|
# endif
|
|
# ifdef SIGPIPE
|
|
case SIGPIPE:
|
|
exception_str = "SIGPIPE";
|
|
break;
|
|
# endif
|
|
# ifdef SIGALRM
|
|
case SIGALRM:
|
|
exception_str = "SIGALRM";
|
|
break;
|
|
# endif
|
|
# ifdef SIGSTKFLT
|
|
case SIGSTKFLT:
|
|
exception_str = "SIGSTKFLT";
|
|
break;
|
|
# endif
|
|
# ifdef SIGCHLD
|
|
case SIGCHLD:
|
|
exception_str = "SIGCHLD";
|
|
break;
|
|
# elif defined(SIGCLD)
|
|
case SIGCLD:
|
|
exception_str = "SIGCLD";
|
|
break;
|
|
# endif
|
|
# ifdef SIGCONT
|
|
case SIGCONT:
|
|
exception_str = "SIGCONT";
|
|
break;
|
|
# endif
|
|
# ifdef SIGSTOP
|
|
case SIGSTOP:
|
|
exception_str = "SIGSTOP";
|
|
break;
|
|
# endif
|
|
# ifdef SIGTSTP
|
|
case SIGTSTP:
|
|
exception_str = "SIGTSTP";
|
|
break;
|
|
# endif
|
|
# ifdef SIGTTIN
|
|
case SIGTTIN:
|
|
exception_str = "SIGTTIN";
|
|
break;
|
|
# endif
|
|
# ifdef SIGTTOU
|
|
case SIGTTOU:
|
|
exception_str = "SIGTTOU";
|
|
break;
|
|
# endif
|
|
# ifdef SIGURG
|
|
case SIGURG:
|
|
exception_str = "SIGURG";
|
|
break;
|
|
# endif
|
|
# ifdef SIGXCPU
|
|
case SIGXCPU:
|
|
exception_str = "SIGXCPU";
|
|
break;
|
|
# endif
|
|
# ifdef SIGXFSZ
|
|
case SIGXFSZ:
|
|
exception_str = "SIGXFSZ";
|
|
break;
|
|
# endif
|
|
# ifdef SIGVTALRM
|
|
case SIGVTALRM:
|
|
exception_str = "SIGVTALRM";
|
|
break;
|
|
# endif
|
|
# ifdef SIGPROF
|
|
case SIGPROF:
|
|
exception_str = "SIGPROF";
|
|
break;
|
|
# endif
|
|
# ifdef SIGWINCH
|
|
case SIGWINCH:
|
|
exception_str = "SIGWINCH";
|
|
break;
|
|
# endif
|
|
# ifdef SIGPOLL
|
|
case SIGPOLL:
|
|
exception_str = "SIGPOLL";
|
|
break;
|
|
# endif
|
|
# ifdef SIGIO
|
|
# if !defined(SIGPOLL) || SIGIO != SIGPOLL
|
|
case SIGIO:
|
|
exception_str = "SIGIO";
|
|
break;
|
|
# endif
|
|
# endif
|
|
# ifdef SIGPWR
|
|
case SIGPWR:
|
|
exception_str = "SIGPWR";
|
|
break;
|
|
# endif
|
|
# ifdef SIGSYS
|
|
case SIGSYS:
|
|
exception_str = "SIGSYS";
|
|
break;
|
|
# endif
|
|
# ifdef SIGUNUSED
|
|
# if !defined(SIGSYS) || SIGUNUSED != SIGSYS
|
|
case SIGUNUSED:
|
|
exception_str = "SIGUNUSED";
|
|
break;
|
|
# endif
|
|
# endif
|
|
default:
|
|
exception_str = "Signal ";
|
|
exception_str += std::to_string(this->Signal);
|
|
}
|
|
#endif
|
|
return exception_str;
|
|
}
|