From ac94df5d484b0fad990ec1a42492a3bd3d4b68e8 Mon Sep 17 00:00:00 2001
From: Phil Budne <phil@ultimate.com>
Date: Tue, 15 Mar 2016 21:29:38 -0400
Subject: [PATCH] update shell comments

---
 src/other/pbsh.s | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/other/pbsh.s b/src/other/pbsh.s
index b723481..1bb0038 100644
--- a/src/other/pbsh.s
+++ b/src/other/pbsh.s
@@ -280,11 +280,15 @@ parent:
 "	try to read any messages) the shell's blocked smes call returned an
 "	error indication that the target process did not exist. Thus the
 "	shell's smes became, in effect, the equivalent of wait.
-   dac pid
-   lac delimchar
+"
+"	PLB: The "exit" system call code apears to "fall" into the
+"	rmes code So Dennis' memory of what the shell did may have
+"	been correct, but not for the reason he remembered.
+   dac pid			" save child pid
+   lac delimchar		" get command delimiter
    sad o46			" ampersand?
     jmp newcom			"  yes: go back without wait
-   lac pid
+   lac pid			" no: get pid
    sys smes			" hang until child exits
 2: lac delimchar
    sad o73			" semi?