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author | Daniel Jacobowitz <drow@false.org> | 2008-05-01 18:50:14 +0000 |
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committer | Daniel Jacobowitz <drow@false.org> | 2008-05-01 18:50:14 +0000 |
commit | a0ef42744d050b642351a3974faca030269f5504 (patch) | |
tree | c0e178b652d3d2b7d98a598b7e2bb4c35dcf8161 /gdb/testsuite/gdb.threads/attach-into-signal.c | |
parent | ca38c58efa3ca0ac1f632640c131db93164ac5f2 (diff) | |
download | gdb-a0ef42744d050b642351a3974faca030269f5504.zip gdb-a0ef42744d050b642351a3974faca030269f5504.tar.gz gdb-a0ef42744d050b642351a3974faca030269f5504.tar.bz2 |
2008-05-01 Daniel Jacobowitz <dan@codesourcery.com>
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.
Diffstat (limited to 'gdb/testsuite/gdb.threads/attach-into-signal.c')
-rw-r--r-- | gdb/testsuite/gdb.threads/attach-into-signal.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.threads/attach-into-signal.c b/gdb/testsuite/gdb.threads/attach-into-signal.c new file mode 100644 index 0000000..653d36c --- /dev/null +++ b/gdb/testsuite/gdb.threads/attach-into-signal.c @@ -0,0 +1,67 @@ +/* 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/>. */ + +#include <signal.h> +#include <unistd.h> +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#ifdef USE_THREADS +#include <pthread.h> +#endif + +void action(int sig, siginfo_t * info, void *uc) +{ + raise (SIGALRM); +} + +static void *func (void *arg) +{ + struct sigaction act; + + memset (&act, 0, sizeof(struct sigaction)); + act.sa_sigaction = action; + act.sa_flags = SA_RESTART; + sigaction (SIGALRM, &act, 0); + + raise (SIGALRM); + + /* We must not get past this point, either in a free standing or debugged + state. */ + + abort (); + /* NOTREACHED */ + return NULL; +} + +int main () +{ + +#ifndef USE_THREADS + + func (NULL); + +#else + + pthread_t th; + pthread_create (&th, NULL, func, NULL); + pthread_join (th, NULL); + +#endif + + return 0; +} |