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Patrick Palka 077836f7cf Have SIGTERM promptly quit GDB even when the dummy target is active
GDB currently does not promptly quit after receiving a SIGTERM while no
proper target is active.  This is because in handle_sigterm we currently
look at target_can_async_p to determine whether to asynchronously quit
GDB using an async signal handler or to asynchronously quit using the
quit flag.  However, target_can_async_p is always false under the dummy
target, so under this target we always use the quit flag and not the
async signal handler to signal that GDB should quit.  So GDB won't quit
until a code path that checks the quit flag is executed.

To fix this issue, this patch makes the SIGTERM handler no longer
inspect target_can_async_p, and instead makes the handler
unconditionally set the quit flag _and_ mark the corresponding async
signal handler, so that if the target is async (or if it's the dummy
target) then we will likely quit through the async signal handler, and
if it's not async then we will likely quit through the quit flag.  This
redundant approach is similar to how we handle SIGINT.

gdb/ChangeLog:

	* event-top.c (handle_sigterm): Don't inspect
	target_can_async_p.  Always set the quit flag and always mark
	the async signal handler.

gdb/testsuite/ChangeLog:

	* gdb.base/gdb-sigterm-2.exp: New test.
2015-07-27 12:44:12 -04:00
bfd Regenerate configure files 2015-07-27 07:56:32 -07:00
binutils Regenerate configure files 2015-07-27 07:56:32 -07:00
config Sync config with GCC 2015-07-27 07:43:26 -07:00
cpu Remove leading/trailing white spaces in ChangeLog 2015-07-24 04:16:47 -07:00
elfcpp Add chdr_size, Chdr, Chdr_write and Chdr_data 2015-04-08 10:29:40 -07:00
etc PR external/{16327,16328}: Remove etc/configure.texi and etc/standards.texi. 2014-06-27 11:33:25 +02:00
gas Regenerate configure files 2015-07-27 07:56:32 -07:00
gdb Have SIGTERM promptly quit GDB even when the dummy target is active 2015-07-27 12:44:12 -04:00
gold Regenerate configure files 2015-07-27 07:56:32 -07:00
gprof Regenerate configure files 2015-07-27 07:56:32 -07:00
include Remove leading/trailing white spaces in ChangeLog 2015-07-24 04:16:47 -07:00
intl Remove leading/trailing white spaces in ChangeLog 2015-07-24 04:16:47 -07:00
ld Regenerate configure files 2015-07-27 07:56:32 -07:00
libdecnumber Remove leading/trailing white spaces in ChangeLog 2015-07-24 04:16:47 -07:00
libiberty Remove leading/trailing white spaces in ChangeLog 2015-07-24 04:16:47 -07:00
opcodes Regenerate configure files 2015-07-27 07:56:32 -07:00
readline Revert "Sync readline/ to version 7.0 alpha" 2015-07-25 15:57:00 -04:00
sim Remove leading/trailing white spaces in ChangeLog 2015-07-24 04:16:47 -07:00
texinfo
zlib Remove leading/trailing white spaces in ChangeLog 2015-07-24 04:16:47 -07:00
.cvsignore
.gitattributes Add a .gitattributes file for use with git-merge-changelog 2014-07-25 18:07:23 -04:00
.gitignore Sync the root .gitignore file with GCC's. 2013-01-11 15:17:35 +00:00
ChangeLog Sync toplevel files with GCC 2015-07-27 07:49:05 -07:00
compile Update from upstream Automake 2014-11-16 13:43:48 +01:00
config-ml.in Sync toplevel files with GCC 2015-07-27 07:49:05 -07:00
config.guess Update config.guess and config.sub to the latest upstream version 2015-03-30 16:28:14 -04:00
config.rpath
config.sub Update config.guess and config.sub to the latest upstream version 2015-03-30 16:28:14 -04:00
configure Sync toplevel files with GCC 2015-07-27 07:49:05 -07:00
configure.ac Sync toplevel files with GCC 2015-07-27 07:49:05 -07:00
COPYING
COPYING.LIB
COPYING.LIBGLOSS
COPYING.NEWLIB 2013-10-01 Jeff Johnston <jjohnstn@redhat.com> 2013-10-01 18:14:04 +00:00
COPYING3
COPYING3.LIB
depcomp Update from upstream Automake 2014-11-16 13:43:48 +01:00
djunpack.bat
install-sh Update from upstream Automake 2014-11-16 13:43:48 +01:00
libtool.m4 Update libtool.m4 from GCC trunk 2014-11-24 09:14:09 -08:00
ltgcc.m4
ltmain.sh PR target/59788 2014-02-06 11:01:57 +01:00
ltoptions.m4
ltsugar.m4
ltversion.m4
lt~obsolete.m4
MAINTAINERS Update description of ownership of files in include/ 2014-11-04 16:14:14 -08:00
Makefile.def Configure zlib with --enable-host-shared for shared bfd 2015-05-01 08:34:08 -07:00
Makefile.in Sync Makefile.tpl with GCC 2015-07-14 09:52:36 -07:00
Makefile.tpl Sync Makefile.tpl with GCC 2015-07-14 09:52:36 -07:00
makefile.vms
missing Update from upstream Automake 2014-11-16 13:43:48 +01:00
mkdep
mkinstalldirs Update from upstream Automake 2014-11-16 13:43:48 +01:00
move-if-change Update `move-if-change' from gnulib 2014-11-16 17:04:02 +01:00
README
README-maintainer-mode
setup.com
src-release.sh Adjust src-release.sh for sim using the gdb create-version.sh. 2015-04-15 04:08:51 +02:00
symlink-tree
ylwrap Update from upstream Automake 2014-11-16 13:43:48 +01:00

		   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.