Microsoft KB Archive/70891

PRWIN9103006: Three DOSEX Functions Not Reentrant in Std Mode ID Number: Q70891

3.00 WINDOWS buglist3.00 fixlist3.00a

Summary:

PROBLEM ID: WIN9103006

SYMPTOMS In standard mode Windows version 3.0, calling the MS-DOS Extender Interrupt 31h function 0300h, 0301h, or 0302h reentrantly causes Windows to crash.

CAUSE These functions save registers in global memory, not on a stack.

STATUS Microsoft has confirmed this to be a problem in Windows version 3.0. This problem was corrected in Windows version 3.00a.

Additional reference words: 3.00