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3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
/* Thread iterators and ranges for GDB, the GNU debugger.
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Copyright (C) 2018-2021 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "gdbthread.h"
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#include "inferior.h"
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/* See thread-iter.h. */
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all_threads_iterator::all_threads_iterator (begin_t)
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{
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/* Advance M_INF/M_THR to the first thread's position. */
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for (m_inf = inferior_list; m_inf != NULL; m_inf = m_inf->next)
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if ((m_thr = m_inf->thread_list) != NULL)
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return;
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}
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/* See thread-iter.h. */
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void
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all_threads_iterator::advance ()
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{
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/* The loop below is written in the natural way as-if we'd always
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start at the beginning of the inferior list. This fast forwards
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the algorithm to the actual current position. */
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goto start;
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for (; m_inf != NULL; m_inf = m_inf->next)
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{
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m_thr = m_inf->thread_list;
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while (m_thr != NULL)
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{
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return;
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start:
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m_thr = m_thr->next;
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}
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}
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}
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/* See thread-iter.h. */
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bool
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all_matching_threads_iterator::m_inf_matches ()
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{
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return ((m_filter_target == nullptr
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|| m_filter_target == m_inf->process_target ())
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&& (m_filter_ptid == minus_one_ptid
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|| m_filter_ptid.pid () == m_inf->pid));
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}
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/* See thread-iter.h. */
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all_matching_threads_iterator::all_matching_threads_iterator
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(process_stratum_target *filter_target, ptid_t filter_ptid)
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: m_filter_target (filter_target),
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m_filter_ptid (filter_ptid)
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{
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gdb_assert ((filter_target == nullptr && filter_ptid == minus_one_ptid)
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|| filter_target->stratum () == process_stratum);
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m_thr = nullptr;
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for (m_inf = inferior_list; m_inf != NULL; m_inf = m_inf->next)
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if (m_inf_matches ())
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for (m_thr = m_inf->thread_list; m_thr != NULL; m_thr = m_thr->next)
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if (m_thr->ptid.matches (m_filter_ptid))
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return;
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}
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/* See thread-iter.h. */
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void
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all_matching_threads_iterator::advance ()
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{
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/* The loop below is written in the natural way as-if we'd always
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start at the beginning of the inferior list. This fast forwards
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the algorithm to the actual current position. */
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goto start;
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for (; m_inf != NULL; m_inf = m_inf->next)
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if (m_inf_matches ())
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{
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m_thr = m_inf->thread_list;
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while (m_thr != NULL)
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{
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if (m_thr->ptid.matches (m_filter_ptid))
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return;
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start:
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m_thr = m_thr->next;
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}
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}
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}
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