socket: Speed up soclose by avoiding putting the user thread into sleep
[dragonfly.git] / sys / sys / socketops.h
CommitLineData
6b6e0885 1/*
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2 * Copyright (c) 2003, 2004 Jeffrey M. Hsu. All rights reserved.
3 * Copyright (c) 2003, 2004 The DragonFly Project. All rights reserved.
4 *
5 * This code is derived from software contributed to The DragonFly Project
6 * by Jeffrey M. Hsu.
7 *
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8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
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16 * 3. Neither the name of The DragonFly Project nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific, prior written permission.
6b6e0885 19 *
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20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
e3873585 33 * $DragonFly: src/sys/sys/socketops.h,v 1.14 2008/10/27 02:56:30 sephe Exp $
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34 */
35
36#ifndef _SOCKETOPS_H_
37#define _SOCKETOPS_H_
38
d9f3f6fa 39#ifndef _KERNEL
03d6a592 40
d9f3f6fa 41#error "This file should not be included by userland programs."
d9f3f6fa 42
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43#else
44
45#ifndef _SYS_PROTOSW_H_
6b6e0885 46#include <sys/protosw.h>
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47#endif
48#ifndef _SYS_SOCKET_H_
6b6e0885 49#include <sys/socket.h>
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50#endif
51#ifndef _SYS_SOCKETVAR_H_
6b6e0885 52#include <sys/socketvar.h>
03d6a592 53#endif
6b6e0885 54
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55/*
56 * sosend() and soreceive() can block and also calls other pru_usrreq functions.
57 * They should not really be usrreq functions. Always call them directly from
58 * the process context rather than passing a message to the protocol thread.
59 */
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60static __inline int
61so_pru_sosend(struct socket *so, struct sockaddr *addr, struct uio *uio,
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62 struct mbuf *top, struct mbuf *control, int flags,
63 struct thread *td)
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64{
65 return ((*so->so_proto->pr_usrreqs->pru_sosend)(so, addr, uio, top,
002c1265 66 control, flags, td));
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67}
68
69static __inline int
70so_pru_soreceive(struct socket *so, struct sockaddr **paddr, struct uio *uio,
002c1265 71 struct sockbuf *sio, struct mbuf **controlp, int *flagsp)
6b6e0885 72{
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73 return ((*so->so_proto->pr_usrreqs->pru_soreceive)(so, paddr, uio, sio,
74 controlp, flagsp));
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75}
76
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77void so_pru_abort (struct socket *so);
78void so_pru_aborta (struct socket *so);
fd86a41c 79void so_pru_abort_oncpu (struct socket *so);
002c1265 80int so_pru_accept_direct(struct socket *so, struct sockaddr **nam);
9eeaa8a9 81int so_pru_attach (struct socket *so, int proto, struct pru_attach_info *ai);
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82int so_pru_attach_direct(struct socket *so, int proto,
83 struct pru_attach_info *ai);
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84int so_pru_bind (struct socket *so, struct sockaddr *nam, struct thread *td);
85int so_pru_connect (struct socket *so, struct sockaddr *nam, struct thread *td);
86int so_pru_connect2 (struct socket *so1, struct socket *so2);
002c1265 87int so_pru_control_direct(struct socket *so, u_long cmd, caddr_t data,
48e7b118 88 struct ifnet *ifp);
9eeaa8a9 89int so_pru_detach (struct socket *so);
acd31a69 90void so_pru_detach_direct (struct socket *so);
9eeaa8a9 91int so_pru_disconnect (struct socket *so);
acd31a69 92void so_pru_disconnect_direct (struct socket *so);
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93int so_pru_listen (struct socket *so, struct thread *td);
94int so_pru_peeraddr (struct socket *so, struct sockaddr **nam);
95int so_pru_rcvd (struct socket *so, int flags);
96int so_pru_rcvoob (struct socket *so, struct mbuf *m, int flags);
f2a3782e 97void so_pru_sync (struct socket *so);
9eeaa8a9 98int so_pru_send (struct socket *so, int flags, struct mbuf *m,
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99 struct sockaddr *addr, struct mbuf *control,
100 struct thread *td);
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101void so_pru_send_async (struct socket *so, int flags, struct mbuf *m,
102 struct sockaddr *addr, struct mbuf *control,
103 struct thread *td);
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104int so_pru_sense (struct socket *so, struct stat *sb);
105int so_pru_shutdown (struct socket *so);
106int so_pru_sockaddr (struct socket *so, struct sockaddr **nam);
002c1265 107int so_pr_ctloutput(struct socket *so, struct sockopt *sopt);
e3873585 108void so_pru_ctlinput(struct protosw *pr, int cmd,
48e7b118 109 struct sockaddr *arg, void *extra);
9eeaa8a9 110
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111static __inline int
112so_pru_senda(struct socket *so, int flags, struct mbuf *m,
113 struct sockaddr *addr, struct mbuf *control, struct thread *td)
114{
115 if (so->so_proto->pr_flags & PR_ASYNC_SEND) {
116 so_pru_send_async(so, flags, m, addr, control, td);
117 return 0;
118 } else {
119 return so_pru_send(so, flags, m, addr, control, td);
120 }
121}
122
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123#endif /* _KERNEL */
124#endif /* _SYS_SOCKETOPS_H_ */