author | zautrix <zautrix> | 2004-10-30 11:40:54 (UTC) |
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committer | zautrix <zautrix> | 2004-10-30 11:40:54 (UTC) |
commit | 632b43950f1ac2980c281eb8901d797deb0ba971 (patch) (side-by-side diff) | |
tree | 72534bf865fbef61a29d5e8b2e65672c15b432c0 /microkde/oprocess.cpp | |
parent | 0057c2a8e90346583f606491730cae819d2313ac (diff) | |
download | kdepimpi-632b43950f1ac2980c281eb8901d797deb0ba971.zip kdepimpi-632b43950f1ac2980c281eb8901d797deb0ba971.tar.gz kdepimpi-632b43950f1ac2980c281eb8901d797deb0ba971.tar.bz2 |
made ompi compiling on desktop
-rw-r--r-- | microkde/oprocess.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/microkde/oprocess.cpp b/microkde/oprocess.cpp index 95e3e4b..a935792 100644 --- a/microkde/oprocess.cpp +++ b/microkde/oprocess.cpp @@ -1,424 +1,425 @@ /* This file is part of the Opie Project Copyright (C) 2002-2004 Holger Freyther <zecke@handhelds.org> and The Opie Team <opie-devel@handhelds.org> =. Based on KProcess (C) 1997 Christian Czezatke (e9025461@student.tuwien.ac.at) .=l. .>+-= _;:, .> :=|. This program is free software; you can .> <`_, > . <= redistribute it and/or modify it under :`=1 )Y*s>-.-- : the terms of the GNU Library General Public .="- .-=="i, .._ License as published by the Free Software - . .-<_> .<> Foundation; either version 2 of the License, ._= =} : or (at your option) any later version. .%`+i> _;_. .i_,=:_. -<s. This program 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "oprocctrl.h" /* OPIE */ #include <oprocess.h> /* QT */ #include <qapplication.h> #include <qdir.h> #include <qmap.h> +#include <qregexp.h> #include <qsocketnotifier.h> #include <qtextstream.h> /* STD */ #include <errno.h> #include <fcntl.h> #include <pwd.h> #include <stdlib.h> #include <signal.h> #include <stdio.h> #include <string.h> #include <sys/time.h> #include <sys/types.h> #include <sys/stat.h> #include <sys/socket.h> #include <unistd.h> #ifdef HAVE_SYS_SELECT_H #include <sys/select.h> #endif #ifdef HAVE_INITGROUPS #include <grp.h> #endif using namespace Opie::Core::Internal; namespace Opie { namespace Core { namespace Internal { class OProcessPrivate { public: OProcessPrivate() : useShell( false ) { } bool useShell; QMap<QString, QString> env; QString wd; QCString shell; }; } OProcess::OProcess( QObject *parent, const char *name ) : QObject( parent, name ) { init ( ); } OProcess::OProcess( const QString &arg0, QObject *parent, const char *name ) : QObject( parent, name ) { init ( ); *this << arg0; } OProcess::OProcess( const QStringList &args, QObject *parent, const char *name ) : QObject( parent, name ) { init ( ); *this << args; } void OProcess::init ( ) { run_mode = NotifyOnExit; runs = false; pid_ = 0; status = 0; keepPrivs = false; innot = 0; outnot = 0; errnot = 0; communication = NoCommunication; input_data = 0; input_sent = 0; input_total = 0; d = 0; if ( 0 == OProcessController::theOProcessController ) { ( void ) new OProcessController(); CHECK_PTR( OProcessController::theOProcessController ); } OProcessController::theOProcessController->addOProcess( this ); out[ 0 ] = out[ 1 ] = -1; in[ 0 ] = in[ 1 ] = -1; err[ 0 ] = err[ 1 ] = -1; } void OProcess::setEnvironment( const QString &name, const QString &value ) { if ( !d ) d = new OProcessPrivate; d->env.insert( name, value ); } void OProcess::setWorkingDirectory( const QString &dir ) { if ( !d ) d = new OProcessPrivate; d->wd = dir; } void OProcess::setupEnvironment() { if ( d ) { QMap<QString, QString>::Iterator it; for ( it = d->env.begin(); it != d->env.end(); ++it ) setenv( QFile::encodeName( it.key() ).data(), QFile::encodeName( it.data() ).data(), 1 ); if ( !d->wd.isEmpty() ) chdir( QFile::encodeName( d->wd ).data() ); } } void OProcess::setRunPrivileged( bool keepPrivileges ) { keepPrivs = keepPrivileges; } bool OProcess::runPrivileged() const { return keepPrivs; } OProcess::~OProcess() { // destroying the OProcess instance sends a SIGKILL to the // child process (if it is running) after removing it from the // list of valid processes (if the process is not started as // "DontCare") OProcessController::theOProcessController->removeOProcess( this ); // this must happen before we kill the child // TODO: block the signal while removing the current process from the process list if ( runs && ( run_mode != DontCare ) ) kill( SIGKILL ); // Clean up open fd's and socket notifiers. closeStdin(); closeStdout(); closeStderr(); // TODO: restore SIGCHLD and SIGPIPE handler if this is the last OProcess delete d; } void OProcess::detach() { OProcessController::theOProcessController->removeOProcess( this ); runs = false; pid_ = 0; // Clean up open fd's and socket notifiers. closeStdin(); closeStdout(); closeStderr(); } bool OProcess::setExecutable( const QString& proc ) { if ( runs ) return false; if ( proc.isEmpty() ) return false; if ( !arguments.isEmpty() ) arguments.remove( arguments.begin() ); arguments.prepend( QFile::encodeName( proc ) ); return true; } OProcess &OProcess::operator<<( const QStringList& args ) { QStringList::ConstIterator it = args.begin(); for ( ; it != args.end() ; ++it ) arguments.append( QFile::encodeName( *it ) ); return *this; } OProcess &OProcess::operator<<( const QCString& arg ) { return operator<< ( arg.data() ); } OProcess &OProcess::operator<<( const char* arg ) { arguments.append( arg ); return *this; } OProcess &OProcess::operator<<( const QString& arg ) { arguments.append( QFile::encodeName( arg ) ); return *this; } void OProcess::clearArguments() { arguments.clear(); } bool OProcess::start( RunMode runmode, Communication comm ) { uint i; uint n = arguments.count(); char **arglist; if ( runs || ( 0 == n ) ) { return false; // cannot start a process that is already running // or if no executable has been assigned } run_mode = runmode; status = 0; QCString shellCmd; if ( d && d->useShell ) { if ( d->shell.isEmpty() ) { qWarning( "Could not find a valid shell" ); return false; } arglist = static_cast<char **>( malloc( ( 4 ) * sizeof( char * ) ) ); for ( i = 0; i < n; i++ ) { shellCmd += arguments[ i ]; shellCmd += " "; // CC: to separate the arguments } arglist[ 0 ] = d->shell.data(); arglist[ 1 ] = ( char * ) "-c"; arglist[ 2 ] = shellCmd.data(); arglist[ 3 ] = 0; } else { arglist = static_cast<char **>( malloc( ( n + 1 ) * sizeof( char * ) ) ); for ( i = 0; i < n; i++ ) arglist[ i ] = arguments[ i ].data(); arglist[ n ] = 0; } if ( !setupCommunication( comm ) ) qWarning( "Could not setup Communication!" ); // We do this in the parent because if we do it in the child process // gdb gets confused when the application runs from gdb. uid_t uid = getuid(); gid_t gid = getgid(); #ifdef HAVE_INITGROUPS struct passwd *pw = getpwuid( uid ); #endif int fd[ 2 ]; if ( 0 > pipe( fd ) ) { fd[ 0 ] = fd[ 1 ] = 0; // Pipe failed.. continue } runs = true; QApplication::flushX(); // WABA: Note that we use fork() and not vfork() because // vfork() has unclear semantics and is not standardized. pid_ = fork(); if ( 0 == pid_ ) { if ( fd[ 0 ] ) close( fd[ 0 ] ); if ( !runPrivileged() ) { setgid( gid ); #if defined( HAVE_INITGROUPS) if ( pw ) initgroups( pw->pw_name, pw->pw_gid ); #endif setuid( uid ); } // The child process if ( !commSetupDoneC() ) qWarning( "Could not finish comm setup in child!" ); setupEnvironment(); // Matthias if ( run_mode == DontCare ) setpgid( 0, 0 ); // restore default SIGPIPE handler (Harri) struct sigaction act; sigemptyset( &( act.sa_mask ) ); sigaddset( &( act.sa_mask ), SIGPIPE ); act.sa_handler = SIG_DFL; act.sa_flags = 0; sigaction( SIGPIPE, &act, 0L ); // We set the close on exec flag. // Closing of fd[1] indicates that the execvp succeeded! if ( fd[ 1 ] ) fcntl( fd[ 1 ], F_SETFD, FD_CLOEXEC ); execvp( arglist[ 0 ], arglist ); char resultByte = 1; if ( fd[ 1 ] ) write( fd[ 1 ], &resultByte, 1 ); _exit( -1 ); } else if ( -1 == pid_ ) { // forking failed runs = false; free( arglist ); return false; } else { if ( fd[ 1 ] ) close( fd[ 1 ] ); // the parent continues here // Discard any data for stdin that might still be there input_data = 0; // Check whether client could be started. if ( fd[ 0 ] ) for ( ;; ) { char resultByte; int n = ::read( fd[ 0 ], &resultByte, 1 ); if ( n == 1 ) { // Error runs = false; close( fd[ 0 ] ); free( arglist ); pid_ = 0; return false; } if ( n == -1 ) { if ( ( errno == ECHILD ) || ( errno == EINTR ) ) continue; // Ignore } break; // success } if ( fd[ 0 ] ) close( fd[ 0 ] ); if ( !commSetupDoneP() ) // finish communication socket setup for the parent qWarning( "Could not finish comm setup in parent!" ); if ( run_mode == Block ) { commClose(); // The SIGCHLD handler of the process controller will catch // the exit and set the status while ( runs ) { OProcessController::theOProcessController-> slotDoHousekeeping( 0 ); } runs = FALSE; emit processExited( this ); } } free( arglist ); return true; } |