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544 Commits

Author SHA1 Message Date
Stephen Heumann
5c972aa397 Fix our handling of process groups for job control, working around a couple GNO bugs. 
*Most significantly, we avoid using setpgid(), because it doesn't work and in fact corrupts the kernel's process group table.
*Also, work around tctpgrp() returning garbage instead of 0 on success.

This adds an implementation of tcsetpgrp that works by reading the process tables to find a process in the appropriate group. This isn't used for the main job control operations, though, since it might be relatively slow.

At this point, basic job control seems to work.
 2014-11-21 23:05:38 -06:00
Stephen Heumann
95bcfc3b6e Remove libbb/copyfd.c and an unused function that was its only caller. 2014-11-20 20:00:21 -06:00
Stephen Heumann
60b6415214 Add our own implementation of fnmatch (taken from NetBSD), because the one in GNO 2.0.6's libc is broken. 
The version in libc both matches things it shouldn't and doesn't match things it should, in (at least) cases where a pattern includes additional stuff beyond a *.
 2014-11-18 20:51:04 -06:00
Stephen Heumann
5f6121c091 Add initial support for getting terminal information from termcap, instead of hard-coding vt100-style codes. 
This currently only supports output, and still doesn't quite display correctly in some cases.
 2014-11-11 20:58:06 -06:00
Stephen Heumann
c8de71ae9d Changes so that hush can successfully re-execute itself: 
*initialize the "environ" variable
*Reduce the stack size to 8192 (This should still be further reduced based on analysis of usage.)
 2014-11-08 18:03:25 -06:00
Stephen Heumann
bff0844d44 Add code to get the path of the current executable, which we need to re-execute the shell. 
On the GS, this uses GS/OS calls. Versions for OS X and Linux are also included.
 2014-11-07 23:06:34 -06:00
Stephen Heumann
cae994bc22 Add an emulation of waitpid that should be better than the one in libc. 
In particular, it will buffer information about children other than the one being waited for, so it isn't lost. It can also emulate a non-blocking wait by arranging to interrupt the wait with a signal.
 2014-11-07 12:12:18 -06:00
Stephen Heumann
3b1d003ea7 Handle globals more simply, declaring the "G" structure containing them directly in shell/hush.c. 
This allows the "G" struct to show up in the debugger, so it can easily be inspected.
 2014-11-06 13:08:38 -06:00
Stephen Heumann
9320c1e704 Set things up so hush can be build with debug code turned on. 
This involved breaking things up into more segments in debug mode, since the code is larger. I also had to remove some unused extern definitions, which were causing link errors when debug code was enabled.

To enable debug code, pass "DEBUG=1" to make or build.gs.
 2014-11-06 11:42:17 -06:00
Stephen Heumann
2669183517 Define segments and make other adjustments in makefile. 
At this point, hush can successfully build and run, although it doesn't work correctly.

The main Makefile is now dedicated to the GNO build. There's now a separate makefile for building on modern systems with GCC/Clang.
 2014-11-05 22:26:33 -06:00
Stephen Heumann
488a238ad7 Add an implementation of poll() written in terms of select(), to work around the lack of poll() on GNO. 
This is a BSD-licensed poll() implementation by Brian M. Clapper. Its performance characteristics aren't as good as a "native" poll() would be, but this shouldn't be a problem in practice.
 2014-11-03 12:26:43 -06:00
Stephen Heumann
051b79efc1 Move all the source files to 15-character ProDOS-compatible file names. 
Dmake gets confused if you use over-15-character file names, so they needed to be shortened to get it to work. While I was at it, I also switched _ to . in the filenames so they're fully ProDOS compatible.

The shell/hush_test directory (not needed to build the code) still uses ProDOS-incompatible file names.
 2014-11-02 22:11:07 -06:00
Stephen Heumann
a3d8a81bb0 Add makefile (which can be used on GNO or a modern system), and build scripts based on in. 2014-11-01 22:59:10 -05:00
Stephen Heumann
472db3bd56 Delete the stuff that's irrelevant to hush. Also, include (a simplified version of) the autoconf-generated headers and a simple build script, so it can easily be build in the hush-only configuration. 2014-10-26 22:39:01 -05:00
Denys Vlasenko
57434022ce Start 1.23.0 development cycle 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-01-01 00:44:30 +01:00
Denys Vlasenko
a2dd4ee0e8 Bump version to 1.22.0 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-01-01 00:42:11 +01:00
Denys Vlasenko
f474dfa681 Start 1.22.0 development cycle 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-01-21 08:56:21 +01:00
Denys Vlasenko
64406a92a0 Bump version to 1.21.0 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-01-21 08:51:23 +01:00
Mike Frysinger
5694afd72a build system: use pkg-config to look up selinux libs 
Newer versions of libselinux has started linking against more libs.
Rather than continuing hardcoding things, switch to using pkg-config
to query for its dependencies.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2012-10-20 15:01:26 -04:00
Denys Vlasenko
b9d494453d Start 1.21.0 development cycle 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-04-22 03:47:39 +02:00
Denys Vlasenko
f5234398ef Bump version to 1.20.0 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-04-22 03:38:31 +02:00
Denys Vlasenko
8b141ebd45 Start 1.20.0 development cycle 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-08-13 08:56:58 +02:00
Denys Vlasenko
d84b175cb6 Bump version to 1.19.0, update copyright year in help message 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-08-13 08:46:00 +02:00
Daniel Fandrich
126f2b2853 Support configuring Busybox from _defconfig files 
The existing test .config files are moved to configs/ and renamed
to *_defconfig. 'make xyz_defconfig' will enable the
configuration in that specific file.

Signed-off-by: Daniel Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-07-08 07:59:16 +02:00
Denys Vlasenko
d488f5e8db build system: delete generated files on "make mrproper" 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-06-07 10:01:58 +02:00
Chris Rees
12caabfa2d build system: do not use GNU-isms in find 
Signed-off-by: Chris Rees <utisoft@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-11-30 09:41:39 +01:00
Denys Vlasenko
7386dd1e8a Start 1.19.0 development cycle 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-11-23 12:50:40 +01:00
Denys Vlasenko
5ab20641d6 Bump version to 1.18.0 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-11-23 09:21:44 +01:00
Denys Vlasenko
833d4e7f84 rename archival/libunarchive -> archival/libarchive; move bz/ into it 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-11-03 02:38:31 +01:00
Denys Vlasenko
17fc33dfbd finish busybox.1 renaming 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-24 03:46:16 +02:00
Denys Vlasenko
9ce07e778f bbconfig: add COMPRESS_BBCONFIG option 
function                                             old     new   delta
bbconfig_config_bz2                                    -    4905   +4905
bbconfig_main                                         13      70     +57
bbconfig_config                                    21811       -  -21811
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 1/0 up/down: 4962/-21811)    Total: -16849 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-08-29 14:36:11 +02:00
Denys Vlasenko
adbe3b5b98 build system: make 3.82 fix. Closes bug 2323 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-08-22 09:28:46 +02:00
Denys Vlasenko
89a1cace3b Start 1.18.0 development cycle 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-07-06 15:47:35 +02:00
Denys Vlasenko
b2d95147c9 bump version to 1.17.0 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-07-06 04:16:50 +02:00
Denys Vlasenko
5c296de390 fix compile breakage with "make -j" 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-07-03 14:28:35 +02:00
Denys Vlasenko
8d444494ef another fix to gen_build_files / autoconf.h dependency 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-06-25 13:56:28 +02:00
Denys Vlasenko
1d72d43940 gen_build_files.sh is an order prerequisite only for autoconf.h 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-06-25 13:30:59 +02:00
Denys Vlasenko
e69c5e2429 build system: make gen_build_files.sh run before autoconf.h generation 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-06-25 12:58:17 +02:00
Denys Vlasenko
6c5bf0d347 make it possible to have include/applets.h-esque entries in .c files 
As an example, bunzip2 and bzcat is changed to use it.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-06-06 00:53:45 +02:00
Denys Vlasenko
4f63c7931c fix unescaped $ in makefile 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-23 16:14:06 +02:00
Peter Tyser
0bb2980605 Makefile: Clean up auto-generated Kbuild and Config.in files 
Previously these auto-generated files were left behind after a 'make
mrproper' was ran.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-16 02:48:21 +02:00
Denys Vlasenko
7fb68f199f make it possible to keep Config/Kbuild snippets in *.c files 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-09 04:22:48 +02:00
Denys Vlasenko
e838779429 start 1.17.x development 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-01-26 08:34:49 +01:00
Denys Vlasenko
e52b735231 Bump version to 1.16.0 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-01-26 08:19:00 +01:00
Denys Vlasenko
18221506e5 build system: more fixes to parallel build 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-11-25 00:22:31 +01:00
Denys Vlasenko
b24c1139fb build system: fix parallel make 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-11-24 22:23:21 +01:00
Bernhard Reutner-Fischer
bcb163d8f8 use .git as EXTRAVERSION 
... and not .svn

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
 2009-08-24 16:20:52 +02:00
Denys Vlasenko
bd73f1d85a Start 1.16.x cycle 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-08-23 21:30:38 +02:00
Denys Vlasenko
e7aa0d9eca Releasing 1.15.0 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-08-23 02:33:20 +02:00
Denis Vlasenko
c3587223c7 Start 1.15.x development 2009-04-15 13:04:52 +00:00