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2008-05-01 Daniel Jacobowitz <dan@codesourcery.com>

Browse Source 
Pedro Alves  <pedro@codesourcery.com>

	Based on work by Jan Kratochvil <jan.kratochvil@redhat.com> and Jeff
 	Johnston <jjohnstn@redhat.com>.

	* NEWS: Mention attach to stopped process fix.
	* infcmd.c (detach_command, disconnect_command): Discard the thread
	list.
	* infrun.c (handle_inferior_event): Do not ignore non-SIGSTOP while
	attaching.  Use signal_stop_state.
	(signal_stop_state): Check stop_soon.
	* linux-nat.c (kill_lwp): Declare earlier.
	(pid_is_stopped, linux_nat_post_attach_wait): New.
	(lin_lwp_attach_lwp): Use linux_nat_post_attach_wait.  Update
	comments.
	(linux_nat_attach): Use linux_nat_post_attach_wait.
	(detach_callback, linux_nat_detach): Improve handling for signalled
	processes.
	(linux_nat_pid_to_str): Always print out the LWP ID if it differs
	from the process ID.
	* Makefile.in (infcmd.o): Update.

2008-05-01  Jan Kratochvil  <jan.kratochvil@redhat.com>
	    Daniel Jacobowitz  <dan@codesourcery.com>

	* gdb.threads/attach-into-signal.c, gdb.threads/attach-into-signal.exp,
	gdb.threads/attach-stopped.c, gdb.threads/attach-stopped.exp,
	gdb.threads/attachstop-mt.c, gdb.threads/attachstop-mt.exp: New.
This commit is contained in:
Daniel Jacobowitz
2008-05-01 18:50:14 +00:00
parent ca38c58efa
commit a0ef42744d
11 changed files with 985 additions and 87 deletions
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55
gdb/testsuite/gdb.threads/attachstop-mt.c Normal file
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/* This testcase is part of GDB, the GNU debugger.
Copyright 2008 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* This program is intended to be started outside of gdb, then
manually stopped via a signal. */
#include <unistd.h>
#include <pthread.h>
#include <stdio.h>
/* Red Hat BZ PR 197584.c */
void *func (void *arg)
{
sleep (10000); /* Ridiculous time, but we will eventually kill it. */
sleep (10000); /* RHEL3U8 kernel-2.4.21-47.EL will cut the sleep time. */
return NULL; /* thread-sleep */
}
int main ()
{
pthread_t t1,t2;
int ret;
ret = pthread_create (&t1, NULL, func, NULL);
if (ret)
fprintf(stderr, "pthread_create(): %s", strerror (ret));
ret = pthread_create (&t2, NULL, func, NULL);
if (ret)
fprintf(stderr, "pthread_create(): %s", strerror (ret));
ret = pthread_join (t1, NULL);
if (ret) /* first-join */
fprintf(stderr, "pthread_join(): %s", strerror (ret));
ret = pthread_join (t2, NULL);
if (ret)
fprintf(stderr, "pthread_join(): %s", strerror (ret));
return 0;
}