1 /* Thread iterators and ranges for GDB, the GNU debugger.
3 Copyright (C) 2018-2020 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 #include "gdbthread.h"
24 /* See thread-iter.h. */
26 all_threads_iterator::all_threads_iterator (begin_t
)
28 /* Advance M_INF/M_THR to the first thread's position. */
29 for (m_inf
= inferior_list
; m_inf
!= NULL
; m_inf
= m_inf
->next
)
30 if ((m_thr
= m_inf
->thread_list
) != NULL
)
34 /* See thread-iter.h. */
37 all_threads_iterator::advance ()
39 /* The loop below is written in the natural way as-if we'd always
40 start at the beginning of the inferior list. This fast forwards
41 the algorithm to the actual current position. */
44 for (; m_inf
!= NULL
; m_inf
= m_inf
->next
)
46 m_thr
= m_inf
->thread_list
;
56 /* See thread-iter.h. */
59 all_matching_threads_iterator::m_inf_matches ()
61 return ((m_filter_target
== nullptr
62 || m_filter_target
== m_inf
->process_target ())
63 && (m_filter_ptid
== minus_one_ptid
64 || m_filter_ptid
.pid () == m_inf
->pid
));
67 /* See thread-iter.h. */
69 all_matching_threads_iterator::all_matching_threads_iterator
70 (process_stratum_target
*filter_target
, ptid_t filter_ptid
)
71 : m_filter_target (filter_target
),
72 m_filter_ptid (filter_ptid
)
74 gdb_assert ((filter_target
== nullptr && filter_ptid
== minus_one_ptid
)
75 || filter_target
->stratum () == process_stratum
);
78 for (m_inf
= inferior_list
; m_inf
!= NULL
; m_inf
= m_inf
->next
)
80 for (m_thr
= m_inf
->thread_list
; m_thr
!= NULL
; m_thr
= m_thr
->next
)
81 if (m_thr
->ptid
.matches (m_filter_ptid
))
85 /* See thread-iter.h. */
88 all_matching_threads_iterator::advance ()
90 /* The loop below is written in the natural way as-if we'd always
91 start at the beginning of the inferior list. This fast forwards
92 the algorithm to the actual current position. */
95 for (; m_inf
!= NULL
; m_inf
= m_inf
->next
)
98 m_thr
= m_inf
->thread_list
;
101 if (m_thr
->ptid
.matches (m_filter_ptid
))