Teach GDBserver's Linux backend about no unwaited-for children (TARGET_WAITKIND_NO_RE...

[deliverable/binutils-gdb.git] / gdb / gdbserver / ChangeLog

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+2014-02-27  Pedro Alves  <palves@redhat.com>
+
+       PR 12702
+       * inferiors.h (A_I_NEXT, ALL_INFERIORS_TYPE, ALL_PROCESSES): New
+       macros.
+       * linux-low.c (delete_lwp, handle_extended_wait): Add debug
+       output.
+       (last_thread_of_process_p): Take a PID argument instead of a
+       thread pointer.
+       (linux_wait_for_lwp): Delete.
+       (num_lwps, check_zombie_leaders, not_stopped_callback): New
+       functions.
+       (linux_low_filter_event): New function, party factored out from
+       linux_wait_for_event.
+       (linux_wait_for_event): Rename to ...
+       (linux_wait_for_event_filtered): ... this.  Add new filter ptid
+       argument.  Partly rewrite.  Always use waitpid(-1, WNOHANG) and
+       sigsuspend.  Check for zombie leaders.
+       (linux_wait_for_event): Reimplement as wrapper around
+       linux_wait_for_event_filtered.
+       (linux_wait_1): Handle TARGET_WAITKIND_NO_RESUMED.  Assume that if
+       a normal or signal exit is seen, it's the whole process exiting.
+       (wait_for_sigstop): No longer a for_each_inferior callback.
+       Rewrite on top of linux_wait_for_event_filtered.
+       (stop_all_lwps): Call wait_for_sigstop directly.
+       * server.c (resume, handle_target_event): Handle
+       TARGET_WAITKIND_NO_RESUMED.
+
 2014-02-26  Joel Brobecker  <brobecker@adacore.com>
 
        * win32-low.c (psapi_get_dll_name,