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Diffstat (limited to 'kioslave/floppy/program.cpp')
| -rw-r--r-- | kioslave/floppy/program.cpp | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/kioslave/floppy/program.cpp b/kioslave/floppy/program.cpp deleted file mode 100644 index 83080c233..000000000 --- a/kioslave/floppy/program.cpp +++ /dev/null @@ -1,201 +0,0 @@ -/* This file is part of the KDE project - Copyright (C) 2000-2002 Alexander Neundorf <[email protected]> - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public License - along with this library; see the file COPYING.LIB. If not, write to - the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. -*/ - -#include <config.h> -#include "program.h" -#include <unistd.h> -#include <fcntl.h> -#include <sys/ioctl.h> -#include <stdlib.h> -#include <sys/types.h> -#include <sys/time.h> -#include <sys/socket.h> -#include <sys/wait.h> -#include <signal.h> - -#include <kdebug.h> - -Program::Program(const TQStringList &args) -:m_pid(0) -,mArgs(args) -,mStarted(false) -{ -} - -Program::~Program() -{ - if (m_pid!=0) - { - ::close(mStdin[0]); - ::close(mStdout[0]); - ::close(mStderr[0]); - - ::close(mStdin[1]); - ::close(mStdout[1]); - ::close(mStderr[1]); - - int s(0); - //::wait(&s); - ::waitpid(m_pid,&s,0); - this->kill(); - ::waitpid(m_pid,&s,WNOHANG); - }; -} - -bool Program::start() -{ - if (mStarted) return false; - if (pipe(mStdout)==-1) return false; - if (pipe(mStdin )==-1) return false; - if (pipe(mStderr )==-1) return false; - - int notificationPipe[2]; - if (pipe(notificationPipe )==-1) return false; - - m_pid=fork(); - - if (m_pid>0) - { - //parent - ::close(mStdin[0]); - ::close(mStdout[1]); - ::close(mStderr[1]); - ::close(notificationPipe[1]); - mStarted=true; - fd_set notifSet; - FD_ZERO(¬ifSet); - FD_SET(notificationPipe[0],¬ifSet); - struct timeval tv; - //wait up to five seconds - - kdDebug(7101)<<"**** waiting for notification"<<endl; - //0.2 sec - tv.tv_sec=0; - tv.tv_usec=1000*200; - int result=::select(notificationPipe[0]+1,¬ifSet,0,0,&tv); -/* if (result<1) - { - kdDebug(7101)<<"**** waiting for notification: failed "<<result<<endl; - return false; - } - else*/ - if(result==1) - { - char buf[256]; - result=::read(notificationPipe[0],buf,256); - //if execvp() failed the child sends us "failed" - if (result>0) - return false; - }; - kdDebug(7101)<<"**** waiting for notification: succeeded"<<result<<endl; - return true; - } - else if (m_pid==-1) - { - //failed - return false; - } - else if (m_pid==0) - { - ::close(notificationPipe[0]); - - //child - ::close(0); // close the stdios - ::close(1); - ::close(2); - - dup(mStdin[0]); - dup(mStdout[1]); - dup(mStderr[1]); - - ::close(mStdin[1]); - ::close(mStdout[0]); - ::close(mStderr[0]); - - fcntl(mStdin[0], F_SETFD, FD_CLOEXEC); - fcntl(mStdout[1], F_SETFD, FD_CLOEXEC); - fcntl(mStderr[1], F_SETFD, FD_CLOEXEC); - - char **arglist=(char**)malloc((mArgs.count()+1)*sizeof(char*)); - int c=0; - - for (TQStringList::Iterator it=mArgs.begin(); it!=mArgs.end(); ++it) - { - arglist[c]=(char*)malloc((*it).length()+1); - strcpy(arglist[c], (*it).latin1()); - c++; - } - arglist[mArgs.count()]=0; - //make parsing easier - putenv(strdup("LANG=C")); - execvp(arglist[0], arglist); - //we only get here if execvp() failed - ::write(notificationPipe[1],"failed",strlen("failed")); - ::close(notificationPipe[1]); - _exit(-1); - }; - return false; -} - -bool Program::isRunning() -{ - return mStarted; -} - -int Program::select(int secs, int usecs, bool& stdoutReceived, bool& stderrReceived/*, bool& stdinWaiting*/) -{ - stdoutReceived=false; - stderrReceived=false; - - struct timeval tv; - tv.tv_sec=secs; - tv.tv_usec=usecs; - - fd_set readFDs; - FD_ZERO(&readFDs); - FD_SET(stdoutFD(),&readFDs); - FD_SET(stderrFD(),&readFDs); - - int maxFD=stdoutFD(); - if (stderrFD()>maxFD) maxFD=stderrFD(); - - /*fd_set writeFDs; - FD_ZERO(&writeFDs); - FD_SET(stdinFD(),&writeFDs); - if (stdinFD()>maxFD) maxFD=stdinFD();*/ - maxFD++; - - int result=::select(maxFD,&readFDs,/*&writeFDs*/0,0,&tv); - if (result>0) - { - stdoutReceived=FD_ISSET(stdoutFD(),&readFDs); - stderrReceived=FD_ISSET(stderrFD(),&readFDs); - //stdinWaiting=(FD_ISSET(stdinFD(),&writeFDs)); - }; - return result; -} - -int Program::kill() -{ - if (m_pid==0) - return -1; - return ::kill(m_pid, SIGTERM); - //::kill(m_pid, SIGKILL); -} - |