DosIdle for Clipper 1.4 DOS FREE
Introduction
The basic purpose of this module is release of virtual machine
time-slice in idle loop of the Clipper-program under Windows or
OS/2 control. Due to this, the program, being in a condition of idle
loop, does not occupy processor and allows maximum effectively to
work to other processes.
As it works
Established hook on some procedure, periodically called Clipper at check of the keyboard. Periodically, by a call of this procedure, function of release current virtual machine time-slice (INT 2F, AX = 1680) is called. As have shown experiments, frequencies of a call of this functions is quite sufficient to sleep the unactive program under OS/2 or Windows. At the same time productivity of an active task falls rather unsignificantly: no more, than on 1-2%.How to use
Include DOSIDLE.OBJ in the list of linked modules and in initialization part of your program add a call of function DosIdle(). Basically, the frequency of release time-slice is picked up by me experimentally, can appear, that the given function will work inefficiently by some machines (if it so, write to me about it). Therefore I offer to provide in the program any mechanism managing turn on or off of this module.Download
Some OS/2 files on this page was compressed (zipped). You can download and install
Zippy for unpack them or use free copy of Info-UnZip for ArcaOS, eComStation and OS/2
from Info-Zip support page.
Package Size Download DosIdle (with source codes) 7 KB DOWNLOAD
Last changes
Version 1.4- You can turn off releasing of time-slices by call DosIdle(.F.). The work of the module was checked under Windows XP SP2 and OS/2 Warp MCP2.
- Support of Clipper Summer 87 is added. The work of the module was checked under Windows 2000 SP3 and OS/2 Warp 4.5 CP2.
- The time-slice release did not work under management Windows NT in the case if the program was assembled for work in a protected mode. The work of a new module was checked under Windows 98, Windows NT, OS/2 Warp 4.0 and PC-DOS 2000.
- Show of the information about module on a key //info at start of the program.
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DosIdle for Clipper DOS FREE
The basic purpose of this module is release of virtual machine time-slice in idle loop of the Clipper-program under Windows or OS/2 control. Due to this, the program, being in a condition of idle loop, does not occupy processor and allows maximum effectively to work to other processes.