From 2b54761e28693f0030ac5784c70dcc305868f4b9 Mon Sep 17 00:00:00 2001
From: "E. C. Masloch" <pushbx@ulukai.org>
Date: Fri, 22 Aug 2025 16:31:46 +0200
Subject: [PATCH] entry.asm: allow critical error Abort on self-parented
 process

Fixes #213
---
 kernel/entry.asm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kernel/entry.asm b/kernel/entry.asm
index 1785d69..b77f314 100644
--- a/kernel/entry.asm
+++ b/kernel/entry.asm
@@ -741,11 +741,16 @@ CritErrExit:
                 ; Abort processing.
                 ;
 CritErrAbort:
+%if 0
                 mov     ax,[_cu_psp]
                 mov     es,ax
                 cmp     ax,[es:PSP_PARENT]
                 mov     al,FAIL
                 jz      CritErrExit
+                ; ecm: This check is done by (E)DR-DOS, but not MS-DOS.
+                ;  Therefore, disable it and terminate the self-parented
+                ;  process here like any other.
+%endif
                 cli
                 mov     ax,word [_user_r+2]   ;Get frame
                 mov     bp,word [_user_r]