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Author SHA1 Message Date
Philippe Charnier
3d7b5b9302 Add rcsid. Spelling. 1998-05-18 06:44:24 +00:00
Bruce Evans
3ef22d496d Backed out previous backout. Put y.tab.h back in SRCS. 1998-05-06 15:33:59 +00:00
Bruce Evans
e43e36af7d Backed out previous commit. It was tested, but not for the case where 
a separate object tree doesn't exist.  Crufty makefiles will have to
put y.tab.h in SRCS so that we know not to create foo.h from foo.y.
 1998-05-05 07:36:55 +00:00
Bruce Evans
b681d90662 Fixed races in `make -jN' using new yacc rules. 1998-05-04 20:09:06 +00:00
Martin Cracauer
686ed44763 When calling a shell function, remember whether exit status is tested. 
This is needed for the '-e' option. See the PR for more details.
PR:		6047
Reviewed by:	PR submitter, silence on review request.
 1998-05-04 07:24:10 +00:00
Bruce Evans
cddfa6c981 Backed out most of rev.1.19 (explicit dependencies of object files 
on generated headers).  This is now handled generally in bsd.prog.mk.
 1998-04-26 16:12:23 +00:00
John Polstra
6466945a67 Explicitly describe the rules the shell uses to search for a file 
sourced by the "." command.
 1998-02-12 01:23:11 +00:00
Martin Cracauer
8624242ab8 Back out my previous attempt to fix SIGINT/SIGTERM behaviour 1998-02-06 23:50:39 +00:00
Martin Cracauer
9dee16dba6 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
Steve Price
ee7dc4169c Correct a bogon in an example. 
PR:		5415
Submitted by:	Sergei S. Laskavy <laskavy@pc759.cs.msu.su>
 1998-01-02 19:23:05 +00:00
Alexander Langer
3344c3521c Added $Id$. 1997-12-29 00:00:10 +00:00
Eivind Eklund
007d33500e Remove simultaneous include of <sys/param.h> and <sys/types.h>. 
Reorder includes to be alphabetical some places since I already was in
here.
 1997-12-10 22:18:54 +00:00
John Polstra
c351e0897e Document the exit status for a command that was terminated by a 
signal.
 1997-11-12 04:32:50 +00:00
Bruce Evans
28701136f7 Fixed some type and value mismatches. setsignal() returned a bogusly 
cast value that was always ignored.  Rev.1.9 of trap.c made this
more bogus by returning a semantically different value after calling
siginterrupt().  Avoid these problems by not returning a value.
 1997-11-10 11:32:24 +00:00
Andrey A. Chernov
8dd81503df 1) Fix longstanding bug: 
trap 'echo xxx' 1 2 3 15
	read x
is not interrupted by ^C (due to restartable read syscall) and must be
interrupted per POSIX
Worse case:
	read -t 5 x
hangs forever after ^C pressed (supposed to timeout after 5 secs)
Fixed by adding siginterrupt(signo, 1) after catch handler installed

2) Do not reinstall sighandler immediately after it is called,
BSD do it for us
 1997-11-05 23:33:58 +00:00
Jordan K. Hubbard
97fe7f477f Changes to support full make parallelism (-j<n>) in the world 
target.
Reviewed by:	<many different folks>
Submitted by:	Nickolay N. Dudorov" <nnd@nnd.itfs.nsk.su>
 1997-10-05 09:40:24 +00:00
Mike Smith
afa53c8df7 Add the '-t timeout' option to the 'read' builtin. This allows the 
'read' command to return an error if the user fails to supply any
input withink a given time period.  The behaviour of this option is
similar to that of the like-named option in ksh93.

Reviewed by:	joerg
 1997-09-29 15:15:16 +00:00
Wolfram Schneider
c7a197e1d8 PR: docs/4449 
The -c flag is not documented in the sh(1) manapge.

Submitted by: adrian@virginia.edu
 1997-09-13 17:40:00 +00:00
Bruce Evans
18f368f2e4 Restored clobbered parts of rev.1.15 (build intermediate object files 
for tools).
 1997-08-25 19:50:01 +00:00
Steve Price
ead152eb86 Make all status values an integral type and use 
pid_t when referring to process IDs.
 1997-08-18 02:53:20 +00:00
Jordan K. Hubbard
f2d0ae8518 Back out previous fix - this bug's got diplomatic immunity as a registered 
political issue.
 1997-06-19 17:57:06 +00:00
Jordan K. Hubbard
fc0eef9f89 >Number: 3780 
>Category:       bin
>Synopsis:       WEXITSTATUS() may return nagative value, which causes sh to generate bad $?

PR:		3780
Submitted by:	sanewo@ba2.so-net.or.jp
 1997-06-19 15:14:01 +00:00
Andrey A. Chernov
ea1376dfbb Now [^abc] means the same as [!abc] like bash and *csh already does 1997-06-06 23:04:33 +00:00
Steve Price
00fc54b03c Make sh(1) less aware of the bit fields returned by wait by 
using the WIF* macros in sys/wait.h.

PR: bin/3668
Submitted by:	dholland@eecs.harvard.edu
 1997-05-24 21:04:55 +00:00
Steve Price
9e5a9c06d0 Remove y.tab.h from the beforedepend target. Also add a 
rule that shows the dependency of arith_lex.[co] on y.tab.h.

Suggested by: Bruce Evans <bde@zeta.org.au>
 1997-05-21 03:23:23 +00:00
Steve Price
b7059dd6df Add explicit y.tab.h rule so that 'make depend clean all' does 
not fail with an "don't know how to make y.tab.h" error.
 1997-05-19 00:29:29 +00:00
Steve Price
e7a0b0244d Use the __unused attribute where warranted. 1997-05-19 00:18:52 +00:00
Steve Price
f7a827cc92 Miscellaneous sorting and addition of rules for object files that 
depend on generated headers.

Reviewed by:	Bruce Evans <bde@zeta.org.au>
 1997-05-19 00:16:27 +00:00
Steve Price
ea76be72fe Revise the section that explains how to protect parts of an $ENV script 
from being executed in non-interactive mode.

Suggested and Reviewed by: Brian Somers <brian@freebsd.org>
 1997-05-07 11:42:00 +00:00
Steve Price
2afa86e799 Don't source $ENV unless this is an interactive shell. 1997-05-05 03:45:17 +00:00
Steve Price
5382d20cf1 Turn on the new type builtin. 1997-04-28 03:50:07 +00:00
Steve Price
96522b887c Sync with NetBSD's revision 1.29 of this file. 
Obtained from: NetBSD
 1997-04-28 03:28:43 +00:00
Steve Price
f4eb55ba86 Remove an extra semicolon and nuke register keyword usage. 1997-04-28 03:27:12 +00:00
Steve Price
79f569479b Fix redirection of unopened file descriptors and nuke register 
keyword usage.

Obtained from: NetBSD
 1997-04-28 03:25:13 +00:00
Steve Price
7920a31db6 Revert changes from rev 1.16 to 1.17 for now. Closes PR 2879. 1997-04-28 03:22:09 +00:00
Steve Price
ab72124fb4 mdoc-ify and cleanup UNIMPLEMENTED messages. Closes PR 2880. 1997-04-28 03:20:09 +00:00
Steve Price
115359949d Reorder declarations slightly. 1997-04-28 03:17:51 +00:00
Steve Price
904a3dc819 Avoid a possible NULL pointer dereference, nuke register usage, 
and remove an unnecessary reset.

Obtained from: NetBSD
 1997-04-28 03:16:12 +00:00
Steve Price
7e461ef4f3 Nuke register keyword usage, #if -> #ifdef, and avoid void * 
arithmetic.

Obtained from: NetBSD
 1997-04-28 03:14:04 +00:00
Steve Price
4ca7fe3b96 Nuke register keyword usage, rename pread to preadfd, and open 
input files FD_CLOEXEC.

Obtained from: NetBSD
 1997-04-28 03:11:52 +00:00
Steve Price
62730a71b9 When NO_HISTORY is defined and the history command is used 
show an error message.

Inspired by: NetBSD
 1997-04-28 03:10:31 +00:00
Steve Price
76ad65f7f6 Add a type builtin and nuke register keyword usage. 
Obtained from: NetBSD
 1997-04-28 03:08:38 +00:00
Steve Price
afb033d5c4 Nuke register keyword usage and #if -> #ifdef. 
Obtained from: NetBSD
 1997-04-28 03:06:52 +00:00
Steve Price
61f4ddf420 Shamelessly pilfer most of NetBSD's Makefile so that the 
problem with 'make -j n' and no .depend file goes away.
I think Bruce mentioned this somewhere on one of the
mailing lists.

Obtained from: NetBSD
 1997-04-28 03:03:23 +00:00
Warner Losh
93ef08af3e compare return value from getopt against -1 rather than EOF, per the final 
posix standard on the topic.
 1997-03-28 15:24:41 +00:00
Peter Wemm
b97fa2ef50 Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
Steve Price
2293cbb28a Fix a expansion bug that caused the result of echo $((1 << 30)) 
to get truncated.

Submitted by: bde
 1997-02-16 01:54:19 +00:00
Jordan K. Hubbard
1130b656e5 Make the long-awaited change from $Id$ to $FreeBSD$ 
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore.  This update would have been
insane otherwise.
 1997-01-14 07:20:47 +00:00
Steve Price
938ddab485 Fix a problem that caused some foreground pipelines to die with: 
tcsetpgrp failed, errno=1

Discovered and Reviewed by: joerg
 1997-01-06 01:26:44 +00:00
Steve Price
5e46e01939 Make sh(1) think and be in the same place at the same time. This closes 
PR#2331: strange output of sh's pwd on symlinked directories.
 1997-01-04 19:14:29 +00:00