1 /*
   2  * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #include "Platform.h"
  27 
  28 #ifdef POSIX
  29 
  30 #ifndef POSIXPLATFORM_H
  31 #define POSIXPLATFORM_H
  32 
  33 
  34 class PosixPlatform : virtual public Platform {
  35 protected:
  36     TString SingleInstanceFile;
  37 
  38     TString fixName(const TString& name);
  39 
  40     virtual TString getTmpDirString() = 0;
  41 
  42 public:
  43     PosixPlatform(void);
  44     virtual ~PosixPlatform(void);
  45 
  46 public:
  47     virtual MessageResponse ShowResponseMessage(TString title,
  48             TString description);
  49 
  50     virtual void SetCurrentDirectory(TString Value);
  51 
  52     virtual bool CheckForSingleInstance(TString Name);
  53     virtual Module LoadLibrary(TString FileName);
  54     virtual void FreeLibrary(Module AModule);
  55     virtual Procedure GetProcAddress(Module AModule, std::string MethodName);
  56     virtual std::vector<TString> GetLibraryImports(const TString FileName);
  57     virtual std::vector<TString> FilterOutRuntimeDependenciesForPlatform(
  58             std::vector<TString> Imports);
  59 
  60     virtual Process* CreateProcess();
  61     virtual TString GetTempDirectory();
  62 };
  63 
  64 
  65 class PosixProcess : public Process {
  66 private:
  67     pid_t FChildPID;
  68     sigset_t saveblock;
  69     int FOutputHandle;
  70     int FInputHandle;
  71 #ifdef MAC
  72     struct sigaction savintr, savequit;
  73 #endif //MAC
  74     bool FRunning;
  75 
  76     void Cleanup();
  77     bool ReadOutput();
  78 
  79 public:
  80     PosixProcess();
  81     virtual ~PosixProcess();
  82 
  83     virtual bool IsRunning();
  84     virtual bool Terminate();
  85     virtual bool Execute(const TString Application,
  86             const std::vector<TString> Arguments, bool AWait = false);
  87     virtual bool Wait();
  88     virtual TProcessID GetProcessID();
  89     virtual void SetInput(TString Value);
  90     virtual std::list<TString> GetOutput();
  91 };
  92 
  93 #endif // POSIXPLATFORM_H
  94 #endif // POSX