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84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2005 David Xu <davidxu@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef _SIGEV_THREAD_H_
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#define _SIGEV_THREAD_H_
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#include <sys/types.h>
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#include <sys/queue.h>
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struct sigev_thread;
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struct sigev_node;
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typedef uintptr_t sigev_id_t;
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typedef void (*sigev_dispatch_t)(struct sigev_node *);
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struct sigev_node {
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LIST_ENTRY(sigev_node) sn_link;
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int sn_type;
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sigev_id_t sn_id;
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sigev_dispatch_t sn_dispatch;
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union sigval sn_value;
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void *sn_func;
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int sn_flags;
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int sn_gen;
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siginfo_t sn_info;
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pthread_attr_t sn_attr;
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struct sigev_thread *sn_tn;
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};
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struct sigev_thread {
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LIST_ENTRY(sigev_thread) tn_link;
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pthread_t tn_thread;
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struct sigev_node *tn_cur;
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int tn_refcount;
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long tn_lwpid;
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pthread_cond_t tn_cv;
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};
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#define SNF_WORKING 0x01
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#define SNF_REMOVED 0x02
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#define SNF_SYNC 0x04
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int __sigev_check_init();
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struct sigev_node *__sigev_alloc(int, const struct sigevent *,
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struct sigev_node *, int);
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struct sigev_node *__sigev_find(int, sigev_id_t);
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void __sigev_get_sigevent(struct sigev_node *, struct sigevent *,
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sigev_id_t);
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int __sigev_register(struct sigev_node *);
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int __sigev_delete(int, sigev_id_t);
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int __sigev_delete_node(struct sigev_node *);
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void __sigev_list_lock(void);
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void __sigev_list_unlock(void);
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void __sigev_free(struct sigev_node *);
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#endif
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