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os/ossrv/glib/glibbackend/src/spawn.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 

    20 #include <e32std.h>

    21 #include <e32base.h>

    22 #include <e32cons.h>

    23 #include <utf.h>

    24 #include <errno.h>

    25 #include <wchar.h>

    26 #include <stdlib.h>

    27 #include <string.h>

    28 #include <pdrstore.h>

    29 #include "glibbackend.h"

    30 

    31 #define MAX_COMMAND_LINE_LENGTH 256

    32 

    33 extern "C"

    34 {

    35 	

    36 EXPORT_C int spawnv(int mode,const char * path,const char **argv)

    37 {

    38 	TText16 iPath16[KMaxFileName];

    39 	char replacePath[KMaxFileName];

    40 	

    41 	/* replace / with // */

    42 	strcpy(replacePath,path);

    43 	char *temp = strchr(replacePath,'/');

    44 	while (temp)

    45 	{

    46 		*temp = '\\';

    47 		temp = strchr(replacePath,'/');

    48 	} // end while

    49 	

    50 	// convert narrow char to wide char

    51 	if(mbstowcs((wchar_t *)iPath16, replacePath, strlen(replacePath)+1) == (size_t)(-1))

    52 	{

    53 			return -1;

    54 	}

    55 	

    56 	TBuf16<KMaxFileName> iCmdName16;

    57 	

    58 	iCmdName16.FillZ(KMaxFileName);

    59 	

    60 	iCmdName16.Copy(iPath16);

    61 	

    62 	TInt i;

    63 	

    64 	TInt iVal = 0;

    65 	

    66 	while(argv[iVal])

    67 	{

    68 		iVal++;

    69 	}	//end while

    70 		

    71 	

    72 	TBuf16<MAX_COMMAND_LINE_LENGTH> iArgv16;

    73 	

    74 	iArgv16.FillZ(MAX_COMMAND_LINE_LENGTH);

    75 	

    76 	iArgv16.SetLength(0);

    77 	

    78 	for(i = 0; i < iVal ; i++)

    79 	{

    80 		TText16 temp[MAX_COMMAND_LINE_LENGTH];

    81 		

    82 		if(mbstowcs((wchar_t *)temp, argv[i], strlen(argv[i])+1) == (size_t)(-1))

    83 		{

    84 				return -1;

    85 		}

    86 		

    87 		TPtrC16 iTemp(temp,strlen(argv[i]));

    88 		

    89 		iArgv16.Append(iTemp);

    90 		

    91 		if(i != iVal-1)

    92 			iArgv16.Append(L' ');

    93 		

    94 	} // end for

    95 	

    96 	RProcess iProcess;

    97 	TRequestStatus iStatus;

    98 	TInt iRetVal = iProcess.Create(iCmdName16,iArgv16);

    99 		

   100 	if(iRetVal != KErrNone)

   101 	{

   102 		switch(iRetVal)

   103 		{

   104 			case KErrNotFound : 	errno = ENOENT;

   105 									break;

   106 			case KErrNoMemory : 	errno = ENOMEM ;

   107 									break;

   108 			case KErrNotSupported : errno = ENOEXEC;

   109 									break;

   110 			case KErrBadName : 		errno = ENAMETOOLONG;

   111 									break;

   112 			default:   	 	 		break;

   113 		}

   114 		

   115 		return -1;

   116 	}

   117 	

   118 	if(mode == P_WAIT)

   119 	{

   120 		iProcess.Logon(iStatus);

   121 		iProcess.Resume();

   122  		User::WaitForRequest(iStatus);

   123  		iProcess.Close();

   124  		return iStatus.Int();

   125 	}

   126 	else

   127 	{

   128 		iProcess.Resume();	

   129 		return iProcess.Id();	

   130 	}

   131 }

   132 

   133 EXPORT_C int spawnvp(int mode,const char * path,const char **argv)

   134 {

   135 	return spawnv(mode,path,argv);

   136 }

   137 

   138 

   139 static int ValidateHandle(HANDLE handle)

   140 {

   141 	RProcess iProcess;

   142 	if( iProcess.Open(handle) < 0)

   143 		return 0;

   144 	

   145 	THandleInfo handleinfo;

   146 	iProcess.HandleInfo(&handleinfo);

   147 	

   148 	if(handleinfo.iNumOpenInProcess ==0 && handleinfo.iNumOpenInThread == 0 && 

   149 	 handleinfo.iNumProcesses == 0 && handleinfo.iNumThreads == 0)

   150 		return 0;

   151 	else

   152 		return 1;

   153 }

   154 

   155 EXPORT_C BOOL CloseHandle(HANDLE handle)

   156 {

   157 	RProcess iProcess;

   158 	if( iProcess.Open(handle) < 0)

   159 		return 0;

   160 	

   161 	if(ValidateHandle(handle))

   162 		iProcess.Close();

   163 	

   164 	return 1;

   165 }

   166 

   167 EXPORT_C HANDLE GetCurrentProcess()

   168 {

   169 	return RProcess().Id();

   170 }

   171 

   172 BOOL DuplicateHandle(HANDLE hSourceProcessHandle,HANDLE hSourceHandle,HANDLE hTargetProcessHandle,LPHANDLE lpTargetHandle,DWORD dwDesiredAccess,BOOL bInheritHandle,DWORD dwOptions)

   173 {

   174 	return 0;

   175 }

   176 

   177 EXPORT_C int spawnve(int mode,const char * path,const char **argv,const char **envp)

   178 {

   179 	return spawnv(mode,path,argv);

   180 }

   181 

   182 EXPORT_C int spawnvpe(int mode,const char * path,const char **argv,const char **envp)

   183 {

   184 	return spawnv(mode,path,argv);

   185 }

   186 

   187 

   188 } /* close extern "C"*/
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