1 /* Globally disable events.
2 Copyright (C) 1999, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 #include "thread_dbP.h"
25 td_ta_clear_event (ta_arg
, event
)
26 const td_thragent_t
*ta_arg
;
27 td_thr_events_t
*event
;
29 td_thragent_t
*const ta
= (td_thragent_t
*) ta_arg
;
31 psaddr_t eventmask
= 0;
34 LOG ("td_ta_clear_event");
36 /* Test whether the TA parameter is ok. */
40 /* Fetch the old event mask from the inferior and modify it in place. */
41 err
= DB_GET_SYMBOL (eventmask
, ta
, __nptl_threads_events
);
43 err
= DB_GET_STRUCT (copy
, ta
, eventmask
, td_thr_events_t
);
47 for (idx
= 0; idx
< TD_EVENTSIZE
; ++idx
)
51 err
= DB_GET_FIELD_LOCAL (word
, ta
, copy
,
52 td_thr_events_t
, event_bits
, idx
);
55 mask
= (uintptr_t) word
;
56 mask
&= ~event
->event_bits
[idx
];
57 word
= (psaddr_t
) (uintptr_t) mask
;
58 err
= DB_PUT_FIELD_LOCAL (ta
, copy
,
59 td_thr_events_t
, event_bits
, idx
, word
);
63 if (err
== TD_NOAPLIC
)
66 while (idx
< TD_EVENTSIZE
)
67 if (event
->event_bits
[idx
++] != 0)
74 /* Now write it back to the inferior. */
75 err
= DB_PUT_STRUCT (ta
, eventmask
, td_thr_events_t
, copy
);