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2b47727c68
Both htl and nptl uses a different data structure to implement atfork
handlers. The nptl one was refactored by 27761a1042 to use a dynarray
which simplifies the code.
This patch moves the nptl one to be the generic implementation and
replace Hurd linked one. Different than previous NPTL, Hurd also uses
a global lock, so performance should be similar.
Checked on x86_64-linux-gnu, i686-linux-gnu, and with a build for
i686-gnu.
43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
/* Register fork handlers. Generic version.
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Copyright (C) 2002-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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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<https://www.gnu.org/licenses/>. */
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#include <pthread.h>
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#include <pt-internal.h>
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#include <fork.h>
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#include <dso_handle.h>
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#include <register-atfork.h>
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/* Hide the symbol so that no definition but the one locally in the
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executable or DSO is used. */
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int
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#ifndef __pthread_atfork
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/* Don't mark the compatibility function as hidden. */
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attribute_hidden
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#endif
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__pthread_atfork (void (*prepare) (void),
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void (*parent) (void),
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void (*child) (void))
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{
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return __register_atfork (prepare, parent, child, __dso_handle);
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}
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#ifndef __pthread_atfork
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extern int pthread_atfork (void (*prepare) (void), void (*parent) (void),
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void (*child) (void)) attribute_hidden;
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weak_alias (__pthread_atfork, pthread_atfork)
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#endif
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