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/********************************************************************************
* *
* P r o c e s s S u p p o r t *
* *
*********************************************************************************
* Copyright (C) 1997,2022 by Jeroen van der Zijp. All Rights Reserved. *
*********************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/> *
********************************************************************************/
#ifndef FXPROCESS_H
#define FXPROCESS_H
namespace FX {
class FXIODevice;
/// Executable process
class FXAPI FXProcess {
private:
FXProcessID pid; // Handle to process
FXIODevice *input; // Input stream
FXIODevice *output; // Output stream
FXIODevice *errors; // Errors stream
private:
FXProcess(const FXProcess&);
FXProcess &operator=(const FXProcess&);
public:
/// Create and initialize
FXProcess();
/// Return handle of this process object
FXProcessID id() const;
/// Start subprocess
FXbool start(const FXchar* exec,const FXchar *const *args,const FXchar *const *env=nullptr);
/// Change input stream; handle must be Inheritable
void setInputStream(FXIODevice* is){ input=is; }
/// Return input stream
FXIODevice* getInputStream() const { return input; }
/// Change output stream; handle must be Inheritable
void setOutputStream(FXIODevice* os){ output=os; }
/// Return output stream
FXIODevice* getOutputStream() const { return output; }
/// Change error stream; handle must be Inheritable
void setErrorStream(FXIODevice* es){ errors=es; }
/// Return error stream
FXIODevice* getErrorStream() const { return errors; }
/// Get process id of calling process
static FXint current();
/// Get current process handle
static FXInputHandle handle();
/// Exit calling process
static void exit(FXint code=0);
/// Suspend process
FXbool suspend();
/// Resume process
FXbool resume();
/// Kill process
FXbool kill();
/// Wait for child process
FXbool wait();
/// Wait for child process, returning exit code
FXbool wait(FXint& code);
/// Delete
~FXProcess();
};
}
#endif
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