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ace8398da0
details from consumers. - Track individual selecters on a per-descriptor basis such that there are no longer collisions and after sleeping for events only those descriptors which triggered events must be rescaned. - Protect the selinfo (per descriptor) structure with a mtx pool mutex. mtx pool mutexes were chosen to preserve api compatibility with existing code which does nothing but bzero() to setup selinfo structures. - Use a per-thread wait channel rather than a global wait channel. - Hide select implementation details in a seltd structure which is opaque to the rest of the kernel. - Provide a 'selsocket' interface for those kernel consumers who wish to select on a socket when they have no fd so they no longer have to be aware of select implementation details. Tested by: kris Reviewed on: arch
56 lines
2.3 KiB
C
56 lines
2.3 KiB
C
/*-
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* Copyright (c) 1999, Boris Popov
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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, this list of conditions and the following 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Boris Popov.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NETNCP_NCP_SOCK_H_
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#define _NETNCP_NCP_SOCK_H_
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struct ncp_conn;
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struct mbuf;
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struct ncp_rq;
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struct proc;
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struct socket;
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struct timeval;
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int ncp_sock_connect(struct ncp_conn *ncp);
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int ncp_sock_recv(struct socket *so, struct mbuf **mp, int *rlen);
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int ncp_sock_send(struct socket *so, struct mbuf *data, struct ncp_rq *rqp);
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int ncp_sock_disconnect(struct ncp_conn *conn);
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int ncp_sock_checksum(struct ncp_conn *conn, int enable);
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void ncp_check_rq(struct ncp_conn *conn);
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void ncp_check_conn(struct ncp_conn *conn);
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void ncp_check_wd(struct ncp_conn *conn);
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#endif /* _NCP_SOCK_H_ */
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