gdb/gdb/infttrace.c

207       Similiarly, the initial setting of the event mask happens
255    Then there's the issue of waiting for an event.  We do this by
358     int handled;		/* 1 if a buffered event was handled. */
366     int have_state;		/* 1 if the event state has been set */
367     ttstate_t last_stop_state;	/* The most recently-waited event for this thread. */
438  * ttrace event being reported.
441 get_printable_name_of_ttrace_event (ttevents_t event)
444   switch (event)
474       return "?new event?";
1038 /* Note that this thread's current event has been handled.
1052 /* Was this thread's current event handled?
1171     printf (", event is %s",
1728  * NOTE: use of TT_PROC_STOP can cause a thread with a real event
1729  *       to get a TTEVT_NONE event, discarding the old event.  Be
1754    execs, or until the parent's vfork event is delivered.  Until that
1759    This function returns 1 if this stopped process, and the event that
1808    * current event (the child EXEC, we hope!).
1832        * of the others run?  Is this an event for that thread?
1834        * If so, we believe our client would prefer to see this event
1883 	   * breakpoint-hit event was buffered, we can forget
1896       /* Else, is this the first "unhandled" event?  If so,
1906       /* This is either an event that has already been "handled",
1908        * already have a candidate event.  Ignore it...
1930       /* Found a candidate unhandled event.
1941       warning ("Internal error: no unhandled thread event to select");
2269   /* Pick an event to pass to our caller.  Be paranoid.
2272     warning ("Can't find event, using previous event.");
2275     warning ("Internal error: no thread has a real event.");
2319   return 1;			/* ttrace reports the event once per call. */
2510  * point, we have selected one thread and its event
2545 	   * not an event from our point of view.
2547 	   * If "was_handled" is true, this is an event we
2551 	   * currently-reported event, as it's already marked
2566 	    printf ("+");	/* Thread with a real event */
2575 	  printf (" %d, with event %s", ttid,
2610  * the event that ended the wait.
2659       /* Unlike what you might expect, this event is reported in
2716       printf ("Process-level event %s, using tid %d\n",
2722        * as this event isn't one which can change the
2790 	printf ("..a process 'event'\n");
2802      and resume the inferior; this isn't an event we wish for
2809      but we don't want to resume the inferior; this is an event we wish
2818      event.  So, we'll single-step the inferior to get out of the syscall,
2828       /* Make a syscall event look like a breakpoint.  Same comments
2833 	printf ("..a syscall 'event'\n");
2845       /* Make a thread event look like a breakpoint.  Same comments
2850 	printf ("..a thread 'event'\n");
2898 	printf ("Process-level event %s, using tid %d\n",
2937    If the parent wants to get the initial exec event of a child,
2938    it must set the ttrace event mask of the child to include execs.
2945    acknowledgement.  The parent can then set the child's event mask,
3033    * event mask, which we're setting here.
3083    * event mask, which we're setting here.
3135    *    add it when it gets the EXEC event.
3139   /* We can now set the child's ttrace event mask.
3878        * the FORK event, that's ok.  If it's a SIGNAL
3900 	       * real event.
3902 	      warning ("About to continue process %d, thread %d with unhandled event %s.",
3917 	  warning ("About to continue process %d, thread %d with unhandled event.",
3973 	   * actual event to worry about.
3981 	      warning ("Unexpected thread with \"%s\" event.",
4107 	   * actual event to worry about.
4115 	      warning ("Unexpected thread with \"%s\" event.",
4502 	   * event, etc.  The rest just stay where they are.
4512 	   * we'll soon get a new event for it.  Other events
4562 	     will soon get a new event for it.  Other events can
4658 	   * handle this event.  But check first!
4669 	      warning ("Internal error; skipping event %s on process %d, thread %d.",
4695 	      /* Expected "other" FORK or EXEC event from a
4701 	      printf ("Internal error: failed to handle event %s on process %d, thread %d.",
4722      a later TTEVT_EXEC or TTEVT_FORK event).
5119        * until the child EXEC event is seen.  But we still
5120        * don't want to continue, as the event is already
5361      entries & exits; upon getting an entry event, disabling page-protections;
5362      upon getting an exit event, reenabling page-protections and then checking