61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/* Copyright (C) 2002 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>, 2002.
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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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <list.h>
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#include <bits/libc-lock.h>
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#include <sysdep.h>
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struct fork_block
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{
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/* Lock to protect handling of fork handlers. */
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__libc_lock_define (, lock);
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/* Lists of registered fork handlers. */
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list_t prepare_list;
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list_t parent_list;
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list_t child_list;
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};
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extern struct fork_block __fork_block attribute_hidden;
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/* Elements of the fork handler lists. */
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struct fork_handler
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{
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list_t list;
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void (*handler) (void);
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void *dso_handle;
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};
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/* Function to call to unregister fork handlers. */
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extern void __unregister_atfork (void *dso_handle) attribute_hidden;
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#define UNREGISTER_ATFORK(dso_handle) __unregister_atfork (dso_handle)
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/* C library side function to register new fork handlers. */
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extern int __register_atfork (void (*__prepare) (void),
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void (*__parent) (void),
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void (*__child) (void),
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void *dso_handle);
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libc_hidden_proto (__register_atfork)
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#ifndef ARCH_FORK
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# define ARCH_FORK() INLINE_SYSCALL (fork, 0)
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#endif
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