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aa61e5bd0b
freebsd-dev/bin/sh
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cracauer aa61e5bd0b Fix handling of SIGINT/SIGQUIT for foreground subprocesses. Most 
urgent need is when you run sh around a program that intentionally
uses SIGQUIT/SIGINT for asynchronous events, i.e. $EDITOR started from
system(2), like many mailers do. This fixes PR bin/1206 and possibly
bin/4241.

The solution committed has been tested for a large number of possible
cases (see recent discussion on cvs-committers). I completed a make
world, made sure 'make world' is interruptable and used the changed
/bin/sh as a login shell all day, including job control and using
SIGQUIT-catching programs (to write this message :-).

PR:		bin/1206
Reviewed by:	discussion on cvs-commiters
1998-02-06 18:14:26 +00:00
..
bltin Nuke register keyword usage and #if -> #ifdef. 1997-04-28 03:06:52 +00:00
funcs Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
alias.c Use the __unused attribute where warranted. 1997-05-19 00:18:52 +00:00
alias.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
arith_lex.l Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
arith.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
arith.y Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
builtins.def Turn on the new type builtin. 1997-04-28 03:50:07 +00:00
cd.c Use the __unused attribute where warranted. 1997-05-19 00:18:52 +00:00
cd.h Added $Id$. 1997-12-29 00:00:10 +00:00
error.c Nuke register keyword usage and #if -> #ifdef. 1997-04-28 03:06:52 +00:00
error.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
eval.c Use the __unused attribute where warranted. 1997-05-19 00:18:52 +00:00
eval.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
exec.c Use the __unused attribute where warranted. 1997-05-19 00:18:52 +00:00
exec.h Add a type builtin and nuke register keyword usage. 1997-04-28 03:08:38 +00:00
expand.c Back out previous fix - this bug's got diplomatic immunity as a registered 1997-06-19 17:57:06 +00:00
expand.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
histedit.c When NO_HISTORY is defined and the history command is used 1997-04-28 03:10:31 +00:00
init.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
input.c Nuke register keyword usage, rename pread to preadfd, and open 1997-04-28 03:11:52 +00:00
input.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
jobs.c Fix handling of SIGINT/SIGQUIT for foreground subprocesses. Most 1998-02-06 18:14:26 +00:00
jobs.h Make all status values an integral type and use 1997-08-18 02:53:20 +00:00
machdep.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
mail.c Nuke register keyword usage and #if -> #ifdef. 1997-04-28 03:06:52 +00:00
mail.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
main.c Don't source $ENV unless this is an interactive shell. 1997-05-05 03:45:17 +00:00
main.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
Makefile Changes to support full make parallelism (-j<n>) in the world 1997-10-05 09:40:24 +00:00
memalloc.c Nuke register keyword usage and #if -> #ifdef. 1997-04-28 03:06:52 +00:00
memalloc.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
miscbltin.c Add the '-t timeout' option to the 'read' builtin. This allows the 1997-09-29 15:15:16 +00:00
mkbuiltins Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
mkinit.c Use the __unused attribute where warranted. 1997-05-19 00:18:52 +00:00
mknodes.c Nuke register keyword usage, #if -> #ifdef, and avoid void * 1997-04-28 03:14:04 +00:00
mksyntax.c Use the __unused attribute where warranted. 1997-05-19 00:18:52 +00:00
mktokens Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
myhistedit.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
mystring.c Nuke register keyword usage and #if -> #ifdef. 1997-04-28 03:06:52 +00:00
mystring.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
nodes.c.pat Nuke register keyword usage, #if -> #ifdef, and avoid void * 1997-04-28 03:14:04 +00:00
nodetypes Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
options.c Avoid a possible NULL pointer dereference, nuke register usage, 1997-04-28 03:16:12 +00:00
options.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
output.c Remove an extra semicolon and nuke register keyword usage. 1997-04-28 03:27:12 +00:00
output.h Nuke register keyword usage and #if -> #ifdef. 1997-04-28 03:06:52 +00:00
parser.c Use the __unused attribute where warranted. 1997-05-19 00:18:52 +00:00
parser.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
redir.c Fix redirection of unopened file descriptors and nuke register 1997-04-28 03:25:13 +00:00
redir.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
sh.1 Correct a bogon in an example. 1998-01-02 19:23:05 +00:00
shell.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
show.c Nuke register keyword usage and #if -> #ifdef. 1997-04-28 03:06:52 +00:00
show.h Reorder declarations slightly. 1997-04-28 03:17:51 +00:00
TOUR Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
trap.c Fixed some type and value mismatches. setsignal() returned a bogusly 1997-11-10 11:32:24 +00:00
trap.h Fixed some type and value mismatches. setsignal() returned a bogusly 1997-11-10 11:32:24 +00:00
var.c Use the __unused attribute where warranted. 1997-05-19 00:18:52 +00:00
var.h Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00