en:docs:dos:api:int21:4c

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en:docs:dos:api:int21:4c [2018/09/04 16:55] – created prokusheven:docs:dos:api:int21:4c [2020/12/07 02:39] (current) – [See also] prokushev
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-{{logos:dos.gif?35x35}}+{{page>en:templates:dosint}}
  
-====== Int 21H, AH=4C ======+====== Int 21H, AH=4CH ====== 
 + 
 +===== Version ===== 
 + 
 +2 and higher 
 + 
 +===== Brief ===== 
 + 
 +"EXIT" - TERMINATE WITH RETURN CODE 
 + 
 +===== Family API ===== 
 + 
 +[[en:docs:fapi:DosExit]] 
 + 
 +===== Input ===== 
 + 
 +  AH = 4Ch 
 +  AL = return code 
 + 
 +===== Return ===== 
 + 
 +never returns 
 + 
 +===== Notes ===== 
 + 
 +  * unless the process is its own parent (see #01378 [offset 16h] at AH=26h), all open files are closed and all memory belonging to the process is freed 
 +  * all network file locks should be removed before calling this function 
 +         
 +===== See also ===== 
 + 
 +AH=[[en:docs:dos:api:int21:00|00H]], AH=[[en:docs:dos:api:int21:26|26H]], AH=[[en:docs:dos:api:int21:4b|4BH]], AH=[[en:docs:dos:api:int21:4d|4DH]],INT 15/AH=12h/BH=02h,INT 20,INT 22 
 + 
 +===== Note ===== 
 + 
 +Text based on [[http://www.cs.cmu.edu/~ralf/files.html|Ralf Brown Interrupt List Release 61]] 
 + 
 +{{page>en:templates:int}} 
 + 
 +{{page>en:templates:fapi}}
  
-INT 21 - DOS 2+ - "EXIT" - TERMINATE WITH RETURN CODE 
-        AH = 4Ch 
-        AL = return code 
-Return: never returns 
-Notes:  unless the process is its own parent 
-          (see #01378 [offset 16h] at AH=26h), all open files are closed and 
-          all memory belonging to the process is freed 
-        all network file locks should be removed before calling this function 
-SeeAlso: AH=00h,AH=26h,AH=4Bh,AH=4Dh,INT 15/AH=12h/BH=02h,INT 20,INT 22 
-SeeAlso: INT 60/DI=0601h