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| 1 | Type | Name | Comment |
| 2 | INTEGER | modexpxP_WAIT, xpxP_NOWAIT or xpxP_NOWAITO are the available legal values |
In addition to these, there are two more option that are not available directly to the user, but can be used through their direct integer code.
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| 3 | STRING | executableName | the name of the program or ".exe" file to be started. |
| 4 | SET OF STRING | commandLineArguments | a set of strings that specifies the "command line arguments" to the actual program to be started. This argument may be INDETERMINATE. |
| 5 | SET OF STRING | environmentVariables | a set of strings that specifies the environment variables to be defined for the actual program to be started. This argument may be INDETERMINATE |
| 6 | INTEGER | spawnFunctionReturnValue | returned value from the actual _spawnve function |
| 7 | INTEGER | errnoValue | receives the "exit value" from the actual started program. This argument may be INDETERMINATE. |
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Options
| Option | Comment |
| XPX_P_WAIT | This is a synchronous call to the given process |
| XPX_P_NOWAIT | asynchronous calls |
| XPX_P_NOWAITO | asynchronous calls |
In addition to these, there are two more option that are not available directly to the user, but can be used through their direct integer code.
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Example
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LOCAL
case_name : STRING := 'Case 01, testing xpxSpawnProcess';
case_no : INTEGER := 1;
ok : LOGICAL := TRUE;
mode : INTEGER;
executableName : STRING;
commandLineArguments : SET OF STRING;
environmentVariables : SET OF STRING;
exitStatus : INTEGER;
rstat : INTEGER;
END_LOCAL;
-- -----------------------------
-- 1a. Testing xpxSpawnProcess.
-- -----------------------------
trace(case_no, '1a. Testing xpxSpawnProcess');
mode := XPX_P_WAIT;
executableName := 'X:/terje/testParams.exe';
commandLineArguments[0] := 'one';
commandLineArguments[1] := 'two';
commandLineArguments[2] := 'three';
environmentVariables[0] := 'PATH=X:\terje';
rstat := xpxSpawnProcess(mode, executableName, commandLineArguments, environmentVariables, exitStatus);
trace_error(::CL::, rstat, ok);
ok := CheckValueExists(exitStatus, ::CL::) AND ok;
ok := (exitStatus = 0) AND ok;
xpxPrintf('* exitStatus = %d\n', exitStatus);
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See also
| Filter by label (Content by label) | ||||||
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