Initializes a process that is started later with the ProcessStart function.
To avoid memory leaks, make sure to call the ProcessFree function at the end of the script.
Kernel.bdh
ProcessInitialize( in sCmdLine :string, in nFlags : number optional, in sParams : string optional, in sWorkingDir : string optional, in sStdOutFile : string optional, in sStdErrFile : string optional, in nTimeOut : number optional, in sUser : string optional, in sPwd : string optional ): number;
If the function is successful, a handle to the process is returned (the handle is greater than zero). This handle must be used for the other functions with the prefix Process.
In case of an error 0 is returned. The GetLastError function may be used to retrieve the system error code.
Parameter | Description |
---|---|
sCmdLine | Command line of the application to be started. |
nFlags |
Process related flags. You can use the following flags to influence the behavior of the executed application:
|
sParams | Parameters for the executed application. |
sWorkingDir | Specifies the current drive and directory for the started process. If this parameter is NULL, the new process will have the same current drive and directory as the calling process. |
sStdOutFile | The file where the output is sent to. |
sStdErrFile | The file where the error output is sent to. |
nTimeOut | TimeOut for the process in seconds. This parameter is only of importance when the process is started attached or piped. If the process doesn’t end within this time interval (in seconds), it will be terminated. If this parameter is not set or is set to zero, then the ProcessStart function will wait for the termination of the started process. |
sUser |
Account used to run the new process. If the account is not specified, the new process takes up the account of it's creator. Note: It is only possible to start the process in the context of another
account if no other user is logged in. But it is possible to start
a process if the script is executed in the context of a special
account which is called system account. When running a test
then under normal circumstances the system account is used.
The user account of the process must have the SE_TCB_NAME privilege (in User Manager, this is the "Act as part of the Operating System" right). The SE_TCB_NAME privilege is very powerful and should not be granted to any arbitrary user just so that they can run an application that needs to validate credentials. |
sPwd | Password for the account. |
dcltrans transaction TMain var hFile : number; hProcessId : number; nStatus : number; nRead : number; sData : string; begin // Create process and start it up... hProcessId := ProcessInitialize ("application1.exe", PROCESS_DETACHED, "", "c:\\temp\\", "c:\\temp\\out.txt"); ProcessSetEnv(hProcessId, "temp", "c:\\temp\\"); ProcessStart(hProcessId); // Wait for process to finish Wait(25.0); // Kill the process if it hasn't finished yet nStatus := ProcessGetState(hProcessId); if (nStatus <> PROCESS_STATE_FINISHED) then ProcessKill(hProcessId, PROCESS_KILLSINGLE); end; // Read the output of the process, written to a file FOpen(hFile, "c:\\temp\\out.txt", OPT_FILE_ACCESS_READ, OPT_FILE_OPEN); while FRead(hFile, sData, 1, nRead) do Write(sData); end; FClose(hFile); ProcessFree(hProcessID); end TMain;