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PATCH: zshexit hook

I think, now we have proper hooks, we need a hook on exit, since the
same issues can occur with TRAPEXIT as with precmd etc.; also it
means something different within a function, so always feels like a bit
of a hack.

The code is now trivial (and won't cause an endless loop any more).
I've called the zshexit; can anyone think of a better name,
i.e. something memorable which won't clash with user functions?

Index: Doc/Zsh/func.yo
RCS file: /cvsroot/zsh/zsh/Doc/Zsh/func.yo,v
retrieving revision 1.13
diff -u -r1.13 func.yo
--- Doc/Zsh/func.yo	8 Nov 2006 10:38:05 -0000	1.13
+++ Doc/Zsh/func.yo	8 Nov 2006 18:03:24 -0000
@@ -203,6 +203,14 @@
 elided); the third argument contains the full text that is being
+Exited at the point where the main shell is about to exit normally.
+This is not called by exiting subshells, nor when the tt(exec)
+precommand modifier is used before an external command.  Also, unlike
+tt(TRAPEXIT), it is not called when functions exit.
 cindex(signals, trapping)
 cindex(trapping signals)
Index: Src/builtin.c
RCS file: /cvsroot/zsh/zsh/Src/builtin.c,v
retrieving revision 1.167
diff -u -r1.167 builtin.c
--- Src/builtin.c	8 Nov 2006 17:43:32 -0000	1.167
+++ Src/builtin.c	8 Nov 2006 18:03:27 -0000
@@ -4436,6 +4436,7 @@
     if (sigtrapped[SIGEXIT])
+    callhookfunc("zshexit", NULL, 1);
     runhookdef(EXITHOOK, NULL);
     if (opts[MONITOR] && interact && (SHTTY != -1)) {

Peter Stephenson <pws@xxxxxxx>                  Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK                          Tel: +44 (0)1223 692070

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