poco/Foundation/src/Process_WIN32U.cpp
Guenter Obiltschnig 768642ae98 sources for 1.3
2006-11-17 16:21:51 +00:00

220 lines
6.0 KiB
C++

//
// Process_WIN32U.cpp
//
// $Id: //poco/1.3/Foundation/src/Process_WIN32U.cpp#1 $
//
// Library: Foundation
// Package: Processes
// Module: Process
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#include "Poco/Process_WIN32U.h"
#include "Poco/Exception.h"
#include "Poco/NumberFormatter.h"
#include "Poco/NamedEvent.h"
#include "Poco/UnicodeConverter.h"
#include "Poco/Pipe.h"
namespace Poco {
//
// ProcessHandleImpl
//
ProcessHandleImpl::ProcessHandleImpl(HANDLE hProcess, UInt32 pid):
_hProcess(hProcess),
_pid(pid)
{
}
ProcessHandleImpl::~ProcessHandleImpl()
{
CloseHandle(_hProcess);
}
UInt32 ProcessHandleImpl::id() const
{
return _pid;
}
int ProcessHandleImpl::wait() const
{
DWORD rc = WaitForSingleObject(_hProcess, INFINITE);
if (rc != WAIT_OBJECT_0)
throw SystemException("Wait failed for process", NumberFormatter::format(_pid));
DWORD exitCode;
if (GetExitCodeProcess(_hProcess, &exitCode) == 0)
throw SystemException("Cannot get exit code for process", NumberFormatter::format(_pid));
return exitCode;
}
//
// ProcessImpl
//
ProcessImpl::PIDImpl ProcessImpl::idImpl()
{
return GetCurrentProcessId();
}
void ProcessImpl::timesImpl(long& userTime, long& kernelTime)
{
FILETIME ftCreation;
FILETIME ftExit;
FILETIME ftKernel;
FILETIME ftUser;
if (GetProcessTimes(GetCurrentProcess(), &ftCreation, &ftExit, &ftKernel, &ftUser) != 0)
{
ULARGE_INTEGER time;
time.LowPart = ftKernel.dwLowDateTime;
time.HighPart = ftKernel.dwHighDateTime;
kernelTime = long(time.QuadPart/10000000L);
time.LowPart = ftUser.dwLowDateTime;
time.HighPart = ftUser.dwHighDateTime;
userTime = long(time.QuadPart/10000000L);
}
else
{
userTime = kernelTime = -1;
}
}
ProcessHandleImpl* ProcessImpl::launchImpl(const std::string& command, const ArgsImpl& args, Pipe* inPipe, Pipe* outPipe, Pipe* errPipe)
{
std::string commandLine = command;
for (ArgsImpl::const_iterator it = args.begin(); it != args.end(); ++it)
{
commandLine.append(" ");
commandLine.append(*it);
}
std::wstring ucommandLine;
UnicodeConverter::toUTF16(commandLine, ucommandLine);
STARTUPINFOW startupInfo;
GetStartupInfoW(&startupInfo); // take defaults from current process
startupInfo.cb = sizeof(STARTUPINFO);
startupInfo.lpReserved = NULL;
startupInfo.lpDesktop = NULL;
startupInfo.lpTitle = NULL;
startupInfo.dwFlags = STARTF_FORCEOFFFEEDBACK | STARTF_USESTDHANDLES;
startupInfo.cbReserved2 = 0;
startupInfo.lpReserved2 = NULL;
HANDLE hProc = GetCurrentProcess();
if (inPipe)
{
DuplicateHandle(hProc, inPipe->readHandle(), hProc, &startupInfo.hStdInput, 0, TRUE, DUPLICATE_SAME_ACCESS);
inPipe->close(Pipe::CLOSE_READ);
}
else DuplicateHandle(hProc, GetStdHandle(STD_INPUT_HANDLE), hProc, &startupInfo.hStdInput, 0, TRUE, DUPLICATE_SAME_ACCESS);
// outPipe may be the same as errPipe, so we duplicate first and close later.
if (outPipe)
DuplicateHandle(hProc, outPipe->writeHandle(), hProc, &startupInfo.hStdOutput, 0, TRUE, DUPLICATE_SAME_ACCESS);
else
DuplicateHandle(hProc, GetStdHandle(STD_OUTPUT_HANDLE), hProc, &startupInfo.hStdOutput, 0, TRUE, DUPLICATE_SAME_ACCESS);
if (errPipe)
DuplicateHandle(hProc, errPipe->writeHandle(), hProc, &startupInfo.hStdError, 0, TRUE, DUPLICATE_SAME_ACCESS);
else
DuplicateHandle(hProc, GetStdHandle(STD_ERROR_HANDLE), hProc, &startupInfo.hStdError, 0, TRUE, DUPLICATE_SAME_ACCESS);
if (outPipe) outPipe->close(Pipe::CLOSE_WRITE);
if (errPipe) errPipe->close(Pipe::CLOSE_WRITE);
PROCESS_INFORMATION processInfo;
BOOL rc = CreateProcessW(
NULL,
const_cast<wchar_t*>(ucommandLine.c_str()),
NULL,
NULL,
TRUE,
0,
NULL,
NULL,
&startupInfo,
&processInfo
);
CloseHandle(startupInfo.hStdInput);
CloseHandle(startupInfo.hStdOutput);
CloseHandle(startupInfo.hStdError);
if (rc)
{
CloseHandle(processInfo.hThread);
return new ProcessHandleImpl(processInfo.hProcess, processInfo.dwProcessId);
}
else throw SystemException("Cannot launch process", command);
}
void ProcessImpl::killImpl(PIDImpl pid)
{
HANDLE hProc = OpenProcess(PROCESS_TERMINATE, FALSE, pid);
if (hProc)
{
if (TerminateProcess(hProc, 0) == 0)
{
CloseHandle(hProc);
throw SystemException("cannot kill process");
}
CloseHandle(hProc);
}
else
{
switch (GetLastError())
{
case ERROR_ACCESS_DENIED:
throw NoPermissionException("cannot kill process");
case ERROR_NOT_FOUND:
throw NotFoundException("cannot kill process");
default:
throw SystemException("cannot kill process");
}
}
}
void ProcessImpl::requestTerminationImpl(PIDImpl pid)
{
std::string evName("POCOTRM");
evName.append(NumberFormatter::formatHex(pid, 8));
NamedEvent ev(evName);
ev.set();
}
} // namespace Poco