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oldlinux-files/docs/interrupts/int-html/rb-4864.htm
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<TITLE>Int 2F/AX=4B04h
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<META NAME="Description" CONTENT="
Int 2F/AX=4B04h - DOS 5+ TASK SWITCHER - FREE SWITCHER ID -
AX = 4B04h
BX = switcher ID
ES:DI - task switcher entry point (see #02819)
Return: AX = 0000h
BX = status
0000h successful
other error (invalid ID or ID not allocated)
Notes: called by a task switcher when it exits, unless it was the first loaded
and is providing the support for AX=4B03h and AX=4B04h
the task switcher providing the identifiers may call the terminating
">
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<h2>Int 2F/AX=4B04h
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<h3><font color=#C00040>DOS 5+ TASK SWITCHER - FREE SWITCHER ID</font></h3>
<PRE>
AX = 4B04h
BX = switcher ID
ES:DI -> task switcher entry point <a href="rb-4862.htm#Table2819" tppabs="http://www.ctyme.com/intr/rb-4862.htm#Table2819">(see #02819)</a><br>
<p><b>Return:</b><br>AX = 0000h
BX = status
0000h successful
other error (invalid ID or ID not allocated)
</PRE>
<p><b>Notes:</b>
Called by a task switcher when it exits, unless it was the first loaded
and is providing the support for AX=4B03h and AX=4B04h.
The task switcher providing the identifiers may call the terminating
task switcher's entry point as needed.
This call is available from within DOSSHELL even if the task switcher
is not installed.
This call is supported by PC Tools v8+ CPTASK, but appears to return
sucessfully no matter which ID is given
<p><b>See Also:</b>
<a href="rb-4862.htm" tppabs="http://www.ctyme.com/intr/rb-4862.htm">AX=4B02h</a> - <a href="rb-4863.htm" tppabs="http://www.ctyme.com/intr/rb-4863.htm">AX=4B03h</a>
<p>
<b>Category: <a href="cat-011.htm" tppabs="http://www.ctyme.com/intr/cat-011.htm">
DOS-Based Task Switchers/Multitaskers</a>
- <a href="int-2f-1.htm" tppabs="http://www.ctyme.com/intr/int-2F.htm">
Int 2Fh</a>
- <a href="alpha-d.htm" tppabs="http://www.ctyme.com/intr/alpha-d.htm">
D</a>
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