DosExitCritSec

Bindings:  C, MASM 

This call restores normal thread dispatching for the current process. 

 DosExitCritSec   ( ) 
 

 rc (USHORT) - return 
    Return code descriptions are: 

    0         NO_ERROR 
    485       ERROR_CRITSEC_UNDERFLOW 
 
 Remarks 

 A count is maintained of the number of times a DosEnterCritSec request is 
 made without a corresponding DosExitCritSec. The count is incremented by 
 DosEnterCritSec and decremented by  DosExitCritSec. Normal thread 
 dispatching is not restored until the count is 0. 

 The outstanding DosEnterCritSec count is maintained in a word. If 
 overflow occurs, the count is set to the maximum value, no operation is 
 performed, and the request returns with an error.