linuxprocesspeer.cpp

来自「这是VCF框架的代码」· C++ 代码 · 共 197 行

//LinuxProcessPeer.cpp

/*
Copyright 2000-2004 The VCF Project.
Please see License.txt in the top level directory
where you installed the VCF.
*/


#include "vcf/FoundationKit/FoundationKit.h"
#include "vcf/FoundationKit/FoundationKitPrivate.h"

#include <sys/wait.h>

using namespace VCF;

LinuxProcessPeer::LinuxProcessPeer()
		: processHandle_( -1 )
		, processFileName_()
{}

LinuxProcessPeer::~LinuxProcessPeer()
{}

int LinuxProcessPeer::getProcessID()
{
	return getpid();
}

int LinuxProcessPeer::getProcessThreadID()
{
	return pthread_self();
}

bool LinuxProcessPeer::createProcess( const String& processName, const String& arguments )
{
	bool result = false;
    processFileName_ = "";
    if( (processHandle_ = vfork()) == 0)
    {
        // child
        char* pn  = strdup(processName.ansi_c_str());
        CommandLine cmdLine;
        cmdLine.splitLine(arguments);
        const std::vector<String>& args = cmdLine.getOriginalCommandLine();
        char **argv = new char*[args.size()+2];
        argv[0] = strdup(pn);
        for(size_t i=0; i<args.size(); ++i)
        {
            argv[i+1] = strdup(args[i].ansi_c_str());
        }
        argv[args.size()+1] = NULL;

        if(execvp(pn, argv) == -1)
        {
            for(size_t i=0; i<args.size()+2; ++i)
            {
                free(argv[i]);
            }
            delete argv;
            free(pn);
            exit(-1);
        }
    }
    else if(processHandle_ == -1)
    {
        // parent failed
        result = false;
    }
    else
    {
        processFileName_ = processName;
        // parent success
        result = true;
    }

	return result;
}

String LinuxProcessPeer::getProcessFileName()
{
	return processFileName_;
}

OSHandleID LinuxProcessPeer::getHandleID()
{
	return reinterpret_cast<OSHandleID>( processHandle_ );
}

ulong32 LinuxProcessPeer::terminate()
{
	return kill(processHandle_, SIGKILL);
}

Waitable::WaitResult LinuxProcessPeer::wait( uint32 milliseconds )
{
	return wait();
}

Waitable::WaitResult LinuxProcessPeer::wait()
{
	Waitable::WaitResult result;
    int stat_loc = 0;
    if(waitpid(processHandle_, &stat_loc, 0) == -1)
    {
        result = Waitable::wrWaitFailed;
    }
    else
    {
        result = Waitable::wrWaitFinished;
    }
	return result;
}
/**
*CVS Log info
*$Log$
*Revision 1.5  2006/04/07 02:35:34  ddiego
*initial checkin of merge from 0.6.9 dev branch.
*
*Revision 1.4.2.2  2006/03/19 00:04:16  obirsoy
*Linux FoundationKit improvements.
*
*Revision 1.4.2.1  2005/11/28 21:01:06  ddiego
*added wait function to process class. added stubs for linux.
*
*Revision 1.4  2005/07/09 23:15:03  ddiego
*merging in changes from devmain-0-6-7 branch.
*
*Revision 1.3  2005/04/05 23:44:22  jabelardo
*a lot of fixes to compile on linux, it does not run but at least it compile
*
*Revision 1.2.4.1  2005/04/17 16:11:32  ddiego
*brought the foundation, agg, and graphics kits uptodate on linux
*
*Revision 1.2  2004/08/07 02:49:13  ddiego
*merged in the devmain-0-6-5 branch to stable
*
*Revision 1.1.2.2  2004/04/29 04:07:08  marcelloptr
*reformatting of source files: macros and csvlog and copyright sections
*
*Revision 1.1.2.1  2004/04/28 03:29:39  ddiego
*migration towards new directory structure
*
*Revision 1.6  2004/04/03 15:48:46  ddiego
*Merged over code from the 0-6-3 branch.
*
*Revision 1.5.2.1  2004/02/16 05:34:05  ddiego
*updated linux makefiles as a result of new locale support - pushed in stubs for locale peer impl, but no functionality at this point
*
*Revision 1.5  2003/12/18 05:16:01  ddiego
*merge from devmain-0-6-2 branch into the stable branch
*
*Revision 1.4.4.1  2003/10/02 04:50:52  ddiego
*changes to ensure the code compiles on linux. made a bunch of updates to
*the makefiles
*
*Revision 1.4  2003/05/17 20:37:34  ddiego
*this is the checkin for the 0.6.1 release - represents the merge over from
*the devmain-0-6-0 branch plus a few minor bug fixes
*
*Revision 1.3.2.2  2003/03/23 03:23:57  marcelloptr
*3 empty lines at the end of the files
*
*Revision 1.3.2.1  2003/03/12 03:12:18  ddiego
*switched all member variable that used the "m_"<name> prefix to
* <name>"_" suffix nameing standard.
*Also changed all vcf builder files to accomadate this.
*Changes were made to the Stream classes to NOT multiple inheritance and to
*be a little more correct. Changes include breaking the FileStream into two
*distinct classes, one for input and one for output.
*
*Revision 1.3  2003/02/26 04:30:49  ddiego
*merge of code in the devmain-0-5-9 branch into the current tree.
*most additions are in the area of the current linux port, but the major
*addition to this release is the addition of a Condition class (currently
*still under development) and the change over to using the Delegate class
*exclusively from the older event handler macros.
*
*Revision 1.2.2.1  2002/12/27 23:04:51  marcelloptr
*Improved macros for automatic import/export of libraries. - Warning fixes. - Other Minor Changes.
*
*Revision 1.2  2002/11/18 00:46:09  ddiego
*this is the merge over of all the bug fixes and features (mostly
*VCF Builder stuff) from the devmain-0-5-8 branch
*
*Revision 1.1.8.1  2002/09/27 01:54:58  ddiego
*added support for bezier curves - remeber to change over to using teh MgcBeziers in Win32 too
*
*Revision 1.1  2002/05/27 15:58:22  ddiego
*added linux peer classes for the FoundationKit port to linux
*this now means the FoundationKit will start up correctly on
*linu thought it is still not 100% functional yet
*
*/