Adding upstream version 6.1.22-dfsg.upstream/6.1.22-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 363 insertions, 0 deletions

diff --git a/src/libs/xpcom18a4/xpcom/threads/nsProcessCommon.cpp b/src/libs/xpcom18a4/xpcom/threads/nsProcessCommon.cpp
new file mode 100644
index 00000000..07087c2f
--- /dev/null
+++ b/src/libs/xpcom18a4/xpcom/threads/nsProcessCommon.cpp
@@ -0,0 +1,363 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla Communicator client code, released
+ * March 31, 1998.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-1999
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Don Bragg <dbragg@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/*****************************************************************************
+ *
+ * nsProcess is used to execute new processes and specify if you want to
+ * wait (blocking) or continue (non-blocking).
+ *
+ *****************************************************************************
+ */
+
+#include "nsCOMPtr.h"
+#include "nsMemory.h"
+#include "nsProcess.h"
+#include "prtypes.h"
+#include "prio.h"
+#include "prenv.h"
+#include "nsCRT.h"
+
+#include <stdlib.h>
+
+#if defined( XP_WIN )
+#include "prmem.h"
+#include "nsString.h"
+#include "nsLiteralString.h"
+#include "nsReadableUtils.h"
+#include <windows.h>
+#endif
+
+//-------------------------------------------------------------------//
+// nsIProcess implementation
+//-------------------------------------------------------------------//
+NS_IMPL_ISUPPORTS1(nsProcess, nsIProcess)
+
+//Constructor
+nsProcess::nsProcess():mExitValue(-1),
+                       mProcess(nsnull)
+{
+}
+
+NS_IMETHODIMP
+nsProcess::Init(nsIFile* executable)
+{
+    PRBool isFile;
+
+    //First make sure the file exists
+    nsresult rv = executable->IsFile(&isFile);
+    if (NS_FAILED(rv)) return rv;
+    if (!isFile)
+        return NS_ERROR_FAILURE;
+
+    //Store the nsIFile in mExecutable
+    mExecutable = executable;
+    //Get the path because it is needed by the NSPR process creation
+#ifdef XP_WIN
+    rv = mExecutable->GetNativeTarget(mTargetPath);
+    if (NS_FAILED(rv) || mTargetPath.IsEmpty() )
+#endif
+        rv = mExecutable->GetNativePath(mTargetPath);
+
+    return rv;
+}
+
+
+#if defined( XP_WIN )
+static int assembleCmdLine(char *const *argv, char **cmdLine)
+{
+    char *const *arg;
+    char *p, *q;
+    int cmdLineSize;
+    int numBackslashes;
+    int i;
+    int argNeedQuotes;
+
+    /*
+     * Find out how large the command line buffer should be.
+     */
+    cmdLineSize = 0;
+    for (arg = argv; *arg; arg++) {
+        /*
+         * \ and " need to be escaped by a \.  In the worst case,
+         * every character is a \ or ", so the string of length
+         * may double.  If we quote an argument, that needs two ".
+         * Finally, we need a space between arguments, and
+         * a null byte at the end of command line.
+         */
+        cmdLineSize += 2 * strlen(*arg)  /* \ and " need to be escaped */
+                + 2                      /* we quote every argument */
+                + 1;                     /* space in between, or final null */
+    }
+    p = *cmdLine = (char *) PR_MALLOC(cmdLineSize);
+    if (p == NULL) {
+        return -1;
+    }
+
+    for (arg = argv; *arg; arg++) {
+        /* Add a space to separates the arguments */
+        if (arg != argv) {
+            *p++ = ' ';
+        }
+        q = *arg;
+        numBackslashes = 0;
+        argNeedQuotes = 0;
+
+        /* If the argument contains white space, it needs to be quoted. */
+        if (strpbrk(*arg, " \f\n\r\t\v")) {
+            argNeedQuotes = 1;
+        }
+
+        if (argNeedQuotes) {
+            *p++ = '"';
+        }
+        while (*q) {
+            if (*q == '\\') {
+                numBackslashes++;
+                q++;
+            } else if (*q == '"') {
+                if (numBackslashes) {
+                    /*
+                     * Double the backslashes since they are followed
+                     * by a quote
+                     */
+                    for (i = 0; i < 2 * numBackslashes; i++) {
+                        *p++ = '\\';
+                    }
+                    numBackslashes = 0;
+                }
+                /* To escape the quote */
+                *p++ = '\\';
+                *p++ = *q++;
+            } else {
+                if (numBackslashes) {
+                    /*
+                     * Backslashes are not followed by a quote, so
+                     * don't need to double the backslashes.
+                     */
+                    for (i = 0; i < numBackslashes; i++) {
+                        *p++ = '\\';
+                    }
+                    numBackslashes = 0;
+                }
+                *p++ = *q++;
+            }
+        }
+
+        /* Now we are at the end of this argument */
+        if (numBackslashes) {
+            /*
+             * Double the backslashes if we have a quote string
+             * delimiter at the end.
+             */
+            if (argNeedQuotes) {
+                numBackslashes *= 2;
+            }
+            for (i = 0; i < numBackslashes; i++) {
+                *p++ = '\\';
+            }
+        }
+        if (argNeedQuotes) {
+            *p++ = '"';
+        }
+    }
+
+    *p = '\0';
+    return 0;
+}
+#endif
+
+// XXXldb |args| has the wrong const-ness
+NS_IMETHODIMP
+nsProcess::Run(PRBool blocking, const char **args, PRUint32 count, PRUint32 *pid)
+{
+    nsresult rv = NS_OK;
+
+    // make sure that when we allocate we have 1 greater than the
+    // count since we need to null terminate the list for the argv to
+    // pass into PR_CreateProcess
+    char **my_argv = NULL;
+#ifdef VBOX
+    my_argv = (char **)nsMemory::Alloc(sizeof(char *) * (count + 2) );
+#else
+    my_argv = (char **)malloc(sizeof(char *) * (count + 2) );
+#endif
+    if (!my_argv) {
+        return NS_ERROR_OUT_OF_MEMORY;
+    }
+
+    // copy the args
+    PRUint32 i;
+    for (i=0; i < count; i++) {
+        my_argv[i+1] = NS_CONST_CAST(char*, args[i]);
+    }
+    // we need to set argv[0] to the program name.
+    my_argv[0] = mTargetPath.BeginWriting();
+    // null terminate the array
+    my_argv[count+1] = NULL;
+
+ #if defined(XP_WIN)
+    STARTUPINFO startupInfo;
+    PROCESS_INFORMATION procInfo;
+    BOOL retVal;
+    char *cmdLine;
+
+    if (assembleCmdLine(my_argv, &cmdLine) == -1) {
+        nsMemory::Free(my_argv);
+        return NS_ERROR_FILE_EXECUTION_FAILED;
+    }
+
+    ZeroMemory(&startupInfo, sizeof(startupInfo));
+    startupInfo.cb = sizeof(startupInfo);
+
+    retVal = CreateProcess(NULL,
+                           // NS_CONST_CAST(char*, mTargetPath.get()),
+                           cmdLine,
+                           NULL,  /* security attributes for the new
+                                   * process */
+                           NULL,  /* security attributes for the primary
+                                   * thread in the new process */
+                           FALSE,  /* inherit handles */
+                           0,     /* creation flags */
+                           NULL,  /* env */
+                           NULL,  /* current drive and directory */
+                           &startupInfo,
+                           &procInfo
+                          );
+    PR_FREEIF( cmdLine );
+    if (blocking) {
+
+        // if success, wait for process termination. the early returns and such
+        // are a bit ugly but preserving the logic of the nspr code I copied to
+        // minimize our risk abit.
+
+        if ( retVal == TRUE ) {
+            DWORD dwRetVal;
+            unsigned long exitCode;
+
+            dwRetVal = WaitForSingleObject(procInfo.hProcess, INFINITE);
+            if (dwRetVal == WAIT_FAILED) {
+                nsMemory::Free(my_argv);
+                return PR_FAILURE;
+            }
+            if (GetExitCodeProcess(procInfo.hProcess, &exitCode) == FALSE) {
+                mExitValue = exitCode;
+                nsMemory::Free(my_argv);
+               return PR_FAILURE;
+            }
+            mExitValue = exitCode;
+            CloseHandle(procInfo.hProcess);
+        }
+        else
+            rv = PR_FAILURE;
+    }
+    else {
+
+        // map return value into success code
+
+        if ( retVal == TRUE )
+            rv = PR_SUCCESS;
+        else
+            rv = PR_FAILURE;
+    }
+
+#else
+    if ( blocking ) {
+        mProcess = PR_CreateProcess(mTargetPath.get(), my_argv, NULL, NULL);
+        if (mProcess)
+            rv = PR_WaitProcess(mProcess, &mExitValue);
+    }
+    else {
+        rv = PR_CreateProcessDetached(mTargetPath.get(), my_argv, NULL, NULL);
+    }
+#endif
+
+    // free up our argv
+    nsMemory::Free(my_argv);
+
+    if (rv != PR_SUCCESS)
+        return NS_ERROR_FILE_EXECUTION_FAILED;
+    return NS_OK;
+}
+
+NS_IMETHODIMP nsProcess::InitWithPid(PRUint32 pid)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsProcess::GetLocation(nsIFile** aLocation)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsProcess::GetPid(PRUint32 *aPid)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsProcess::GetProcessName(char** aProcessName)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsProcess::GetProcessSignature(PRUint32 *aProcessSignature)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsProcess::Kill()
+{
+    nsresult rv = NS_OK;
+    if (mProcess)
+        rv = PR_KillProcess(mProcess);
+
+    return rv;
+}
+
+NS_IMETHODIMP
+nsProcess::GetExitValue(PRInt32 *aExitValue)
+{
+    *aExitValue = mExitValue;
+
+    return NS_OK;
+}