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Corinna Vinschen 1b86dd7d8c Cygwin: make sure exec'ed process exists early in process list
killpg(pgid, 0) (or kill_pgrp(pgid, si_signo=0), in signal.cc)
fails (returns -1) even when there is a process in the process
group pgid, if the process is in the middle of spawnve(), see

  https://cygwin.com/pipermail/cygwin/2022-May/251479.html

When exec'ing a process the assumption is that the exec'ed process creates its
own symlink (in pinfo::thisproc() in pinfo.cc). If the exec'ing process
calls NtClose on it's own winpid symlink, but the exec'ed process didn't
progress enough into initialization, there's a slim chance that neither
the exec'ing process, nor the exec'ed process has a winpid symlink
attached.

Always create the winpid symlink in spawn.cc, even for exec'ed Cygwin
processes.  Make sure to dup the handle into the new process, and stop
creating the winpid symlink in exec'ed processes.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2022-05-19 10:46:41 +02:00
.github/workflows Cygwin: CI: Drop i686 builds 2022-05-16 13:36:51 +01:00
config Merge autoconf / automake update changes from GCC. 2022-01-17 04:30:37 -05:00
etc etc: switch to automake 2021-11-10 20:14:00 -05:00
include Sync with upstream gcc. 2016-06-23 15:54:55 -04:00
libgloss Use global atexit data for all configurations 2022-05-18 07:45:09 +02:00
newlib newlib: libc: reent.h: remove unnecessary parentheses 2022-05-18 12:37:27 +02:00
texinfo * texinfo/texinfo.tex: Update to version 2009-03-28.05. 2009-04-21 12:36:46 +00:00
winsup Cygwin: make sure exec'ed process exists early in process list 2022-05-19 10:46:41 +02:00
.appveyor.yml Cygwin: CI: Drop i686 builds 2022-05-16 13:36:51 +01:00
.gitattributes Add .gitattributes 2015-03-09 20:53:11 +01:00
.gitignore Bump to autoconf 2.69 and automake 1.15.1 2022-01-12 07:05:02 -05:00
COPYING
COPYING.LIB Sync toplevel with upstream GCC. 2016-03-22 10:25:20 +01:00
COPYING.LIBGLOSS Update the address of the FSF in the copyright notice of files which were using the old address. 2021-11-10 20:14:00 -05:00
COPYING.NEWLIB newlib: drop phoenix support 2022-03-28 23:17:06 -04:00
COPYING3 * COPYING3: New file. Contains version 3 of the GNU General Public License. 2007-07-17 13:50:23 +00:00
COPYING3.LIB * COPYING3: New file. Contains version 3 of the GNU General Public License. 2007-07-17 13:50:23 +00:00
ChangeLog Update the address of the FSF in the copyright notice of files which were using the old address. 2021-11-10 20:14:00 -05:00
MAINTAINERS MAINTAINERS: clarify policy with config/ (and other top level files) 2012-05-12 03:10:17 +00:00
Makefile.def Sync with upstream gcc. 2016-06-23 15:54:55 -04:00
Makefile.in GCC: Pass --plugin to AR and RANLIB 2022-01-12 08:43:05 -05:00
Makefile.tpl GCC: Pass --plugin to AR and RANLIB 2022-01-12 08:43:05 -05:00
README
README-maintainer-mode Bump to autoconf 2.69 and automake 1.15.1 2022-01-12 07:05:02 -05:00
ar-lib Bump to autoconf 2.69 and automake 1.15.1 2022-01-12 07:05:02 -05:00
compile Sync toplevel with upstream GCC. 2016-03-22 10:25:20 +01:00
config-ml.in Sync toplevel with upstream GCC. 2016-03-22 10:25:20 +01:00
config.guess Bump config.guess and config.sub 2021-02-24 11:03:28 +01:00
config.rpath Remove freebsd1 from libtool.m4 macros and config.rpath. 2011-02-13 21:00:08 +00:00
config.sub Bump config.guess and config.sub 2021-02-24 11:03:28 +01:00
configure Add support for the haiku operating system. These are the os support patches we have been grooming and maintaining for quite a few years over on git.haiku-os.org. All of these architectures are working and most have been stable for quite some time. 2022-01-12 08:43:25 -05:00
configure.ac Add support for the haiku operating system. These are the os support patches we have been grooming and maintaining for quite a few years over on git.haiku-os.org. All of these architectures are working and most have been stable for quite some time. 2022-01-12 08:43:25 -05:00
depcomp Sync toplevel with upstream GCC. 2016-03-22 10:25:20 +01:00
djunpack.bat * djunpack.bat: Use ".." quoting in Sed command, for the sake of 2009-03-27 13:37:09 +00:00
install-sh Sync toplevel with upstream GCC. 2016-03-22 10:25:20 +01:00
libtool.m4 libtool.m4: fix nm BSD flag detection 2022-01-12 08:49:10 -05:00
ltgcc.m4 * libtool.m4: Update to libtool 2.2.6. 2008-09-29 15:28:14 +00:00
ltmain.sh PR target/59788 2014-02-05 13:17:47 +00:00
ltoptions.m4 Sync Libtool from GCC. 2010-01-09 21:11:32 +00:00
ltsugar.m4 * libtool.m4: Update to libtool 2.2.6. 2008-09-29 15:28:14 +00:00
ltversion.m4 Sync Libtool from GCC. 2010-01-09 21:11:32 +00:00
lt~obsolete.m4 Sync Libtool from GCC. 2010-01-09 21:11:32 +00:00
makefile.vms
missing Sync toplevel with upstream GCC. 2016-03-22 10:25:20 +01:00
mkdep Use remove-advertising-clause script to edit BSD licenses 2020-01-29 19:03:31 +01:00
mkinstalldirs Sync toplevel with upstream GCC. 2016-03-22 10:25:20 +01:00
move-if-change Sync toplevel with upstream GCC. 2016-03-22 10:25:20 +01:00
multilib.am Merge autoconf / automake update changes from GCC. 2022-01-17 04:30:37 -05:00
setup.com 2009-09-01 Tristan Gingold <gingold@adacore.com> 2009-09-01 13:38:26 +00:00
src-release * src-release (do-proto-toplevel): Support subdir-path-prefixed 2013-10-15 20:45:52 +00:00
symlink-tree
test-driver Bump to autoconf 2.69 and automake 1.15.1 2022-01-12 07:05:02 -05:00
ylwrap Sync toplevel with upstream GCC. 2016-03-22 10:25:20 +01:00

README

		   README for GNU development tools

This directory contains various GNU compilers, assemblers, linkers, 
debuggers, etc., plus their support routines, definitions, and documentation.

If you are receiving this as part of a GDB release, see the file gdb/README.
If with a binutils release, see binutils/README;  if with a libg++ release,
see libg++/README, etc.  That'll give you info about this
package -- supported targets, how to use it, how to report bugs, etc.

It is now possible to automatically configure and build a variety of
tools with one command.  To build all of the tools contained herein,
run the ``configure'' script here, e.g.:

	./configure 
	make

To install them (by default in /usr/local/bin, /usr/local/lib, etc),
then do:
	make install

(If the configure script can't determine your type of computer, give it
the name as an argument, for instance ``./configure sun4''.  You can
use the script ``config.sub'' to test whether a name is recognized; if
it is, config.sub translates it to a triplet specifying CPU, vendor,
and OS.)

If you have more than one compiler on your system, it is often best to
explicitly set CC in the environment before running configure, and to
also set CC when running make.  For example (assuming sh/bash/ksh):

	CC=gcc ./configure
	make

A similar example using csh:

	setenv CC gcc
	./configure
	make

Much of the code and documentation enclosed is copyright by
the Free Software Foundation, Inc.  See the file COPYING or
COPYING.LIB in the various directories, for a description of the
GNU General Public License terms under which you can copy the files.

REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info
on where and how to report problems.