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-rw-r--r--kdecore/kprocctrl.cpp277
1 files changed, 0 insertions, 277 deletions
diff --git a/kdecore/kprocctrl.cpp b/kdecore/kprocctrl.cpp
deleted file mode 100644
index 6774eee5f..000000000
--- a/kdecore/kprocctrl.cpp
+++ /dev/null
@@ -1,277 +0,0 @@
-/* This file is part of the KDE libraries
- Copyright (C) 1997 Christian Czezakte (e9025461@student.tuwien.ac.at)
-
- 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 "kprocess.h"
-#include "kprocctrl.h"
-
-#include <config.h>
-
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include <tqsocketnotifier.h>
-
-KProcessController *KProcessController::theKProcessController;
-int KProcessController::refCount;
-
-void KProcessController::ref()
-{
- if( !refCount ) {
- theKProcessController = new KProcessController;
- setupHandlers();
- }
- refCount++;
-}
-
-void KProcessController::deref()
-{
- refCount--;
- if( !refCount ) {
- resetHandlers();
- delete theKProcessController;
- theKProcessController = 0;
- }
-}
-
-KProcessController::KProcessController()
- : needcheck( false )
-{
- if( pipe( fd ) )
- {
- perror( "pipe" );
- abort();
- }
-
- fcntl( fd[0], F_SETFL, O_NONBLOCK ); // in case slotDoHousekeeping is called without polling first
- fcntl( fd[1], F_SETFL, O_NONBLOCK ); // in case it fills up
- fcntl( fd[0], F_SETFD, FD_CLOEXEC );
- fcntl( fd[1], F_SETFD, FD_CLOEXEC );
-
- notifier = new TQSocketNotifier( fd[0], TQSocketNotifier::Read );
- notifier->setEnabled( true );
- TQObject::connect( notifier, TQT_SIGNAL(activated(int)),
- TQT_SLOT(slotDoHousekeeping()));
-}
-
-KProcessController::~KProcessController()
-{
- delete notifier;
-
- close( fd[0] );
- close( fd[1] );
-}
-
-
-extern "C" {
-static void theReaper( int num )
-{
- KProcessController::theSigCHLDHandler( num );
-}
-}
-
-#ifdef Q_OS_UNIX
-struct sigaction KProcessController::oldChildHandlerData;
-#endif
-bool KProcessController::handlerSet = false;
-
-void KProcessController::setupHandlers()
-{
- if( handlerSet )
- return;
- handlerSet = true;
-
-#ifdef Q_OS_UNIX
- struct sigaction act;
- sigemptyset( &act.sa_mask );
-
- act.sa_handler = SIG_IGN;
- act.sa_flags = 0;
- sigaction( SIGPIPE, &act, 0L );
-
- act.sa_handler = theReaper;
- act.sa_flags = SA_NOCLDSTOP;
- // CC: take care of SunOS which automatically restarts interrupted system
- // calls (and thus does not have SA_RESTART)
-#ifdef SA_RESTART
- act.sa_flags |= SA_RESTART;
-#endif
- sigaction( SIGCHLD, &act, &oldChildHandlerData );
-
- sigaddset( &act.sa_mask, SIGCHLD );
- // Make sure we don't block this signal. gdb tends to do that :-(
- sigprocmask( SIG_UNBLOCK, &act.sa_mask, 0 );
-#else
- //TODO: win32
-#endif
-}
-
-void KProcessController::resetHandlers()
-{
- if( !handlerSet )
- return;
- handlerSet = false;
-
-#ifdef Q_OS_UNIX
- sigaction( SIGCHLD, &oldChildHandlerData, 0 );
-#else
- //TODO: win32
-#endif
- // there should be no problem with SIGPIPE staying SIG_IGN
-}
-
-// the pipe is needed to sync the child reaping with our event processing,
-// as otherwise there are race conditions, locking requirements, and things
-// generally get harder
-void KProcessController::theSigCHLDHandler( int arg )
-{
- int saved_errno = errno;
-
- char dummy = 0;
- ::write( theKProcessController->fd[1], &dummy, 1 );
-
-#ifdef Q_OS_UNIX
- if( oldChildHandlerData.sa_handler != SIG_IGN &&
- oldChildHandlerData.sa_handler != SIG_DFL )
- oldChildHandlerData.sa_handler( arg ); // call the old handler
-#else
- //TODO: win32
-#endif
-
- errno = saved_errno;
-}
-
-int KProcessController::notifierFd() const
-{
- return fd[0];
-}
-
-void KProcessController::unscheduleCheck()
-{
- char dummy[16]; // somewhat bigger - just in case several have queued up
- if( ::read( fd[0], dummy, sizeof(dummy) ) > 0 )
- needcheck = true;
-}
-
-void
-KProcessController::rescheduleCheck()
-{
- if( needcheck )
- {
- needcheck = false;
- char dummy = 0;
- ::write( fd[1], &dummy, 1 );
- }
-}
-
-void KProcessController::slotDoHousekeeping()
-{
- char dummy[16]; // somewhat bigger - just in case several have queued up
- ::read( fd[0], dummy, sizeof(dummy) );
-
- int status;
- again:
- TQValueListIterator<KProcess*> it( kProcessList.begin() );
- TQValueListIterator<KProcess*> eit( kProcessList.end() );
- while( it != eit )
- {
- KProcess *prc = *it;
- if( prc->runs && waitpid( prc->pid_, &status, WNOHANG ) > 0 )
- {
- prc->processHasExited( status );
- // the callback can nuke the whole process list and even 'this'
- if (!theKProcessController)
- return;
- goto again;
- }
- ++it;
- }
- TQValueListIterator<int> uit( unixProcessList.begin() );
- TQValueListIterator<int> ueit( unixProcessList.end() );
- while( uit != ueit )
- {
- if( waitpid( *uit, 0, WNOHANG ) > 0 )
- {
- uit = unixProcessList.remove( uit );
- deref(); // counterpart to addProcess, can tqinvalidate 'this'
- } else
- ++uit;
- }
-}
-
-bool KProcessController::waitForProcessExit( int timeout )
-{
-#ifdef Q_OS_UNIX
- for(;;)
- {
- struct timeval tv, *tvp;
- if (timeout < 0)
- tvp = 0;
- else
- {
- tv.tv_sec = timeout;
- tv.tv_usec = 0;
- tvp = &tv;
- }
-
- fd_set fds;
- FD_ZERO( &fds );
- FD_SET( fd[0], &fds );
-
- switch( select( fd[0]+1, &fds, 0, 0, tvp ) )
- {
- case -1:
- if( errno == EINTR )
- continue;
- // fall through; should never happen
- case 0:
- return false;
- default:
- slotDoHousekeeping();
- return true;
- }
- }
-#else
- //TODO: win32
- return false;
-#endif
-}
-
-void KProcessController::addKProcess( KProcess* p )
-{
- kProcessList.append( p );
-}
-
-void KProcessController::removeKProcess( KProcess* p )
-{
- kProcessList.remove( p );
-}
-
-void KProcessController::addProcess( int pid )
-{
- unixProcessList.append( pid );
- ref(); // make sure we stay around when the KProcess goes away
-}
-
-#include "kprocctrl.moc"