Hello LEE

 LA>    This is a DOS app, because it's the closest thing there is right    
 LA> now to a portable exe format....it'll run under any OS, while    
 LA> still taking advantage of specific OS features. Now if I could    
 LA> just get the *best* multitasker to treat it as an *intelligent*    
 LA> exe, I'll be happy.

 LA>    Got any ideas ?  What I want is that secret Int call that OS/2    
 LA> will treat as an instruction to take the rest of the slice    
 LA> away...but don't put me so far to sleep that I can't wake up    
 LA> again without keyboard intercession.

This is what I use:

void release_time_slice(void)
/* ah = 0 if supported, 80h if not supported */
{
    static short int unsupported = 0;
    if (!unsupported) {
        union REGS reg;
        reg.x.ax = 0x1680;
        int86(0x2F, ®, ®);
        unsupported = reg.h.al;
    }
}


Alan

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