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* linux-low.c (handle_extended_wait): Handle unexpected signals.

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Daniel Jacobowitz
2007-10-24 13:27:01 +00:00
parent 51432cca13
commit da5898cee8
2 changed files with 28 additions and 4 deletions
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4
gdb/gdbserver/ChangeLog
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@ -1,3 +1,7 @@
2007-10-24 Daniel Jacobowitz <dan@codesourcery.com>
* linux-low.c (handle_extended_wait): Handle unexpected signals.
2007-10-23 Daniel Jacobowitz <dan@codesourcery.com> 2007-10-23 Daniel Jacobowitz <dan@codesourcery.com>
* inferiors.c (change_inferior_id): Delete. * inferiors.c (change_inferior_id): Delete.

28
gdb/gdbserver/linux-low.c
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@ -160,7 +160,7 @@ handle_extended_wait (struct process_info *event_child, int wstat)
perror_with_name ("waiting for new child"); perror_with_name ("waiting for new child");
else if (ret != new_pid) else if (ret != new_pid)
warning ("wait returned unexpected PID %d", ret); warning ("wait returned unexpected PID %d", ret);
else if (!WIFSTOPPED (status) || WSTOPSIG (status) != SIGSTOP) else if (!WIFSTOPPED (status))
warning ("wait returned unexpected status 0x%x", status); warning ("wait returned unexpected status 0x%x", status);
} }
@ -170,10 +170,30 @@ handle_extended_wait (struct process_info *event_child, int wstat)
add_thread (new_pid, new_process, new_pid); add_thread (new_pid, new_process, new_pid);
new_thread_notify (thread_id_to_gdb_id (new_process->lwpid)); new_thread_notify (thread_id_to_gdb_id (new_process->lwpid));
if (stopping_threads) /* Normally we will get the pending SIGSTOP. But in some cases
new_process->stopped = 1; we might get another signal delivered to the group first.
If we do, be sure not to lose it. */
if (WSTOPSIG (status) == SIGSTOP)
{
if (stopping_threads)
new_process->stopped = 1;
else
ptrace (PTRACE_CONT, new_pid, 0, 0);
}
else else
ptrace (PTRACE_CONT, new_pid, 0, 0); {
new_process->stop_expected = 1;
if (stopping_threads)
{
new_process->stopped = 1;
new_process->status_pending_p = 1;
new_process->status_pending = status;
}
else
/* Pass the signal on. This is what GDB does - except
shouldn't we really report it instead? */
ptrace (PTRACE_CONT, new_pid, 0, WSTOPSIG (status));
}
/* Always resume the current thread. If we are stopping /* Always resume the current thread. If we are stopping
threads, it will have a pending SIGSTOP; we may as well threads, it will have a pending SIGSTOP; we may as well