* linux-nat.c (enum sigchld_state): Delete.
authorPedro Alves <palves@redhat.com>
Mon, 11 May 2009 12:08:03 +0000 (12:08 +0000)
committerPedro Alves <palves@redhat.com>
Mon, 11 May 2009 12:08:03 +0000 (12:08 +0000)
commit7feb7d068ae65557ede03c36468ebac61b0939ca
treed752a128bd18fb31c528aa5032c5626112fa2d4b
parentd92524f1eed2a35b03b982ef6a1a2cee4c3a06ae
* linux-nat.c (enum sigchld_state): Delete.
(linux_nat_async_events_state): Delete.
(struct waitpid_result): Delete.
(waitpid_queue): Delete.
(queued_waitpid_1): Delete.
(async_file_flush): New.
(queued_waitpid, push_waitpid): Delete.
(async_file_mark): New.
(drain_queued_events): Delete.
(my_waitpid): Remove locally queued events handling.
(linux_test_for_tracefork): Upjust.
(linux_child_follow_fork): Ditto.
(sync_sigchld_action): Delete.
(blocked_mask): Reinstate.
(async_sigchld_action): Rename to...
(sigchld_action): ... this.
(block_child_signals): New.
(restore_child_signals_mask): New.
(lin_lwp_attach_lwp): Adjust.
(linux_nat_create_inferior): Ditto.
(linux_nat_attach): Also use lp->status in async mode.
(get_pending_status): Don't use queued_waitpid.
(linux_nat_detach): Don't drain locally queued events.
(linux_nat_resume): Allow pending wait statuses stored lp->status
in async mode.  If returning early due to a pending event,
re-register the event source.
(stop_wait_callback): Allow pending wait statuses stored
lp->status in async mode.
(pipe_to_local_event_queue, local_event_queue_to_pipe): Delete.
(linux_nat_wait): Rename to ...
(linux_nat_wait_1): ... this.  Allow pending wait statuses stored
lp->status in async mode.  Always add WNOHANG to the waitpid
options in async mode.
(linux_nat_wait): New.
(kill_callback): Don't drain locally queued events.
(sigchld_handler): Rewrite.
(linux_nat_is_async_p, linux_nat_can_async_p): Fix comments to
refer to "set target-async".
(linux_nat_async_mask): If in non-stop, and re-enabling async
mode, re-register the target event source in the event loop.
(linux_nat_event_pipe_pop, linux_nat_event_pipe_push)
(get_pending_events, async_sigchld_handler)
(linux_nat_async_events): Delete.
(handle_target_event): New.
(linux_nat_async_file_handler): Delete.
(linux_async_pipe): New.
(linux_nat_async): Only re-register in the event loop if not
registered yet.  Always notify the event-loop once if enabling the
event source.
(linux_nat_stop_lwp): Rewrite to handle pending events stored in
lp->status, not in the locally queued event list.
(linux_nat_stop): Don't mask out async event handling.
(linux_nat_setup_async): Delete.
(_initialize_linux_nat): Adjust.
(lin_thread_get_thread_signals): blocked_mask is global again.
Adjust.
gdb/ChangeLog
gdb/linux-nat.c