зеркало из https://github.com/mozilla/pjs.git
169 строки
4.1 KiB
C++
169 строки
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator client code,
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* released March 31, 1998.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1998-1999 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Don Bragg <dbragg@netscape.com>
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*/
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/*****************************************************************************
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*
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* nsProcess is used to execute new processes and specify if you want to
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* wait (blocking) or continue (non-blocking).
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*
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*****************************************************************************
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*/
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#include "nsCOMPtr.h"
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#include "nsMemory.h"
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#include "nsProcess.h"
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#include "prtypes.h"
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#include "prio.h"
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#include <stdlib.h>
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//-------------------------------------------------------------------//
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// nsIProcess implementation
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//-------------------------------------------------------------------//
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NS_IMPL_ISUPPORTS1(nsProcess, nsIProcess)
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//Constructor
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nsProcess::nsProcess():mExitValue(-1),
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mProcess(nsnull)
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{
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NS_INIT_ISUPPORTS();
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}
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nsProcess::~nsProcess()
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{
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}
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NS_IMETHODIMP
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nsProcess::Init(nsIFile* executable)
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{
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PRBool isFile;
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//First make sure the file exists
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nsresult rv = executable->IsFile(&isFile);
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if (NS_FAILED(rv)) return rv;
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if (!isFile)
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return NS_ERROR_FAILURE;
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//Store the nsIFile in mExecutable
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mExecutable = executable;
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//Get the path because it is needed by the NSPR process creation
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#ifdef XP_WIN
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rv = mExecutable->GetTarget(getter_Copies(mTargetPath));
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if (NS_FAILED(rv) || !mTargetPath )
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#endif
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rv = mExecutable->GetPath(getter_Copies(mTargetPath));
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return rv;
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}
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NS_IMETHODIMP
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nsProcess::Run(PRBool blocking, const char **args, PRUint32 count, PRUint32 *pid)
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{
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nsresult rv = NS_OK;
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// make sure that when we allocate we have 1 greater than the
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// count since we need to null terminate the list for the argv to
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// pass into PR_CreateProcess
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char **my_argv = NULL;
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my_argv = (char **)malloc(sizeof(char *) * (count + 2) );
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if (!my_argv) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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// copy the args
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PRUint32 i;
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for (i=0; i < count; i++) {
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my_argv[i+1] = NS_CONST_CAST(char*, args[i]);
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}
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// we need to set argv[0] to the program name.
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my_argv[0] = NS_CONST_CAST(char*, mTargetPath.get());
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// null terminate the array
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my_argv[count+1] = NULL;
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if (blocking)
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{
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mProcess = PR_CreateProcess(mTargetPath, my_argv, NULL, NULL);
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if (mProcess)
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rv = PR_WaitProcess(mProcess, &mExitValue);
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}
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else
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rv = PR_CreateProcessDetached(mTargetPath, my_argv, NULL, NULL);
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// free up our argv
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nsMemory::Free(my_argv);
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if (rv != PR_SUCCESS)
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return NS_ERROR_FILE_EXECUTION_FAILED;
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return NS_OK;
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}
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NS_IMETHODIMP nsProcess::InitWithPid(PRUint32 pid)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsProcess::GetLocation(nsIFile** aLocation)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsProcess::GetPid(PRUint32 *aPid)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsProcess::GetProcessName(char** aProcessName)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsProcess::GetProcessSignature(PRUint32 *aProcessSignature)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsProcess::Kill()
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{
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nsresult rv = NS_OK;
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if (mProcess)
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rv = PR_KillProcess(mProcess);
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return rv;
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}
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NS_IMETHODIMP
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nsProcess::GetExitValue(PRInt32 *aExitValue)
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{
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*aExitValue = mExitValue;
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return NS_OK;
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}
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