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50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
/* Enable event process-wide.
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Copyright (C) 1999-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include "thread_dbP.h"
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td_err_e
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td_thr_event_enable (const td_thrhandle_t *th, int onoff)
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{
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LOG ("td_thr_event_enable");
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if (th->th_unique != 0)
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{
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/* Write the new value into the thread data structure. */
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td_err_e err = DB_PUT_FIELD (th->th_ta_p, th->th_unique, pthread,
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report_events, 0,
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(psaddr_t) 0 + (onoff != 0));
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if (err != TD_OK)
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return err;
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/* Just in case we are in the window between initializing __stack_user
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and copying from __nptl_initial_report_events, we set it too.
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It doesn't hurt to do this for non-initial threads, since it
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won't be consulted again anyway. It would take another fetch
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to get the tid and determine this isn't the initial thread,
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so just do it always. */
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}
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/* We are faking it for the initial thread before its thread
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descriptor is set up. */
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return DB_PUT_VALUE (th->th_ta_p, __nptl_initial_report_events, 0,
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(psaddr_t) 0 + (onoff != 0));
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}
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