src/support/Systemcall.cpp

   1 /**
   2  * \file Systemcall.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  *
   8  * Interface cleaned up by
   9  * \author Angus Leeming
  10  *
  11  * Full author contact details are available in file CREDITS.
  12  */
  13
  14 #include <config.h>
  15
  16 #include "support/debug.h"
  17 #include "support/qstring_helpers.h"
  18 #include "support/Systemcall.h"
  19 #include "support/os.h"
  20
  21 #include <cstdlib>
  22
  23 #include <QProcess>
  24
  25 #define DISABLE_EVALUATE_QPROCESS
  26
  27 using namespace std;
  28
  29 namespace lyx {
  30 namespace support {
  31
  32 // Reuse of instance
  33 int Systemcall::startscript(Starttype how, string const & what)
  34 {
  35 #ifdef DISABLE_EVALUATE_QPROCESS
  36         string command = what;
  37
  38         if (how == DontWait) {
  39                 switch (os::shell()) {
  40                 case os::UNIX:
  41                         command += " &";
  42                         break;
  43                 case os::CMD_EXE:
  44                         command = "start /min " + command;
  45                         break;
  46                 }
  47         }
  48
  49         return ::system(command.c_str());
  50 #else
  51         QString cmd = QString::fromLocal8Bit(what.c_str());
  52         QProcess * process = new QProcess;
  53         process->start(cmd);
  54         if (!process->waitForStarted(1000)) {
  55                 LYXERR0("Qprocess " << cmd << " did not start!");
  56                 LYXERR0("error " << process->error());
  57                 LYXERR0("state " << process->state());
  58                 LYXERR0("status " << process->exitStatus());
  59                 return 10;
  60         }
  61         if (how == DontWait)
  62                 return 0;
  63
  64         if (!process->waitForFinished(30000)) {
  65                 LYXERR0("Qprocess " << cmd << " did not finished!");
  66                 LYXERR0("error " << process->error());
  67                 LYXERR0("state " << process->state());
  68                 LYXERR0("status " << process->exitStatus());
  69                 return 20;
  70         }
  71         int const exit_code = process->exitCode();
  72         if (exit_code) {
  73                 LYXERR0("Qprocess " << cmd << " finished!");
  74                 LYXERR0("exitCode " << process->exitCode());
  75                 LYXERR0("error " << process->error());
  76                 LYXERR0("state " << process->state());
  77                 LYXERR0("status " << process->exitStatus());
  78         }
  79         delete process;
  80         return exit_code;
  81 #endif
  82 }
  83
  84 } // namespace support
  85 } // namespace lyx