BProc.h

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/*******************************************************************************
 *  BProc.h BProc class
 *  T.Barnaby,  Beam Ltd,   2015-01-01
 *  Copyright (c) 2015 All Right Reserved, Beam Ltd, https://www.beam.ltd.uk
 *  For license see LICENSE.txt at the root of the beamlib source tree.
 *******************************************************************************
 *
 */
#ifndef BProc_h
#define BProc_h
 
#include <BError.h>
#include <signal.h>
 
class BProc {
public:
            BProc();
            ~BProc();
 
    BError      usePipes(Bool fileIn, Bool fileOut, Bool fileErr);          
    BError      runForeground(BString cmd, BStringList argList = BStringList(), int* status = 0, int timeoutMs = -1);   
    BError      runBackground(BString cmd, BStringList argList = BStringList());                    
 
    int     getPid();                               
    int     getFd(int cmdFd);                           
    BError      wait(int& status, int timeoutMs = -1);                  
    BError      kill(int sig = SIGTERM);                        
    void        finish();                               
 
private:
    BError      run(BString cmd, BStringList argList, Bool background, int* status, int timeoutMs);
    BError      pipesOpen();
    void        pipesCleanup();
 
    int     opid;           
    Bool        oioFiles[3];        
    int     opipeIn[2];     
    int     opipeOut[2];        
    int     opipeErr[2];        
    int     ochildErrno;        
};
#endif