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Docs » Autodocs » dos.library » CreateNewProc

NAME

	CreateNewProc -- Create a new process (V36)

SYNOPSIS

	process = CreateNewProc(tags)
D0 D1
struct Process *CreateNewProc(struct TagItem *)
process = CreateNewProcTagList(tags)
D0 D1
struct Process *CreateNewProcTagList(struct TagItem *)
process = CreateNewProcTags(Tag1, ...)
struct Process *CreateNewProcTags(ULONG, ...)

FUNCTION

	This creates a new process according to the tags passed in.  See
dos/dostags.h for the tags.
You must specify one of NP_Seglist or NP_Entry. NP_Seglist takes a
seglist (as returned by LoadSeg()). NP_Entry takes a function
pointer for the routine to call.
There are many options, as you can see by examining dos/dostags.h.
The defaults are for a non-CLI process, with copies of your
CurrentDir, HomeDir (used for PROGDIR:), priority, consoletask,
windowptr, and variables. The input and output filehandles default
to opens of NIL:, stack to 4000, and others as shown in dostags.h.
This is a fairly reasonable default setting for creating threads,
though you may wish to modify it (for example, to give a descriptive
name to the process.)
CreateNewProc() is callable from a task, though any actions that
require doing Dos I/O (DupLock() of currentdir, for example) will not
occur.
NOTE: if you call CreateNewProc() with both NP_Arguments, you must
not specify an NP_Input of NULL. When NP_Arguments is specified, it
needs to modify the input filehandle to make ReadArgs() work properly.

INPUTS

	tags - a pointer to a TagItem array.

RESULT

	process - The created process, or NULL.  Note that if it returns
NULL, you must free any items that were passed in via
tags, such as if you passed in a new current directory
with NP_CurrentDir.

BUGS

	In V36, NP_Arguments was broken in a number of ways, and probably
should be avoided (instead you should start a small piece of your
own code, which calls RunCommand() to run the actual code you wish
to run). In V37, NP_Arguments works, though see the note above.

SEE ALSO

LoadSeg(), CreateProc(), ReadArgs(), RunCommand(), <dos/dostags.h>

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