ddf17726b2
2011-09-09 Pedro Alves <pedro@codesourcery.com> * linux-nat.h (enum resume_kind): New. (struct lwp_info) <last_resume_kind>: New field. * linux-nat.c (linux_child_follow_fork): Set last_resume_kind to resume_stop on the new lwp. (add_lwp): Set last_resume_kind as resume_continue by default. (lin_lwp_attach_lwp): Set last_resume_kind as resume_stop. (resume_lwp): New, factored out from resume_callback. Also check for pending status in lp->waitstatus. (resume_callback): Reimplement. (resume_clear_callback): Set last_resume_kind as resume_stop. (resume_set_callback): Set last_resume_kind as resume_continue. (linux_nat_resume, linux_handle_extended_wait): Set last_resume_kind. (running_callback): Also check lp->waitstatus for pending events. (select_singlestep_lwp_callback): Check that lp->last_resume_kind is resume_step. (stop_and_resume_callback): Don't re-resume if the core wanted the lwp stopped. Use resume_lwp instead of resume_callback. Avoid using an invalidated pointer. (linux_nat_filter_event): Don't discard SIGSTOPs as delayed SIGSTOPs if the core wanted the LWP to stop. (linux_nat_wait_1) Don't consume a pending SIGSTOP if the core wanted the lwp to stop. If the core wanted the lwp to stop, and the lwp stopped with a SIGSTOP, report a TARGET_SIGNAL_0 instead of TARGET_SIGNAL_STOP. (linux_nat_stop_lwp): Don't synchronously wait for the lwp to stop here. Instead, signal the lwp, and set the last_resume_kind to resume_stop. |
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