Commit | Line | Data |
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da7c5cc6 | 1 | /* |
ac79b8e6 | 2 | * Copyright (c) 1982, 1986, 1990 Regents of the University of California. |
e0813a30 | 3 | * All rights reserved. |
da7c5cc6 | 4 | * |
dbf0c423 | 5 | * %sccs.include.redist.c% |
e0813a30 | 6 | * |
8429d022 | 7 | * @(#)sys_socket.c 7.9 (Berkeley) %G% |
da7c5cc6 | 8 | */ |
48aab316 | 9 | |
94368568 JB |
10 | #include "param.h" |
11 | #include "systm.h" | |
94368568 JB |
12 | #include "user.h" |
13 | #include "file.h" | |
14 | #include "mbuf.h" | |
15 | #include "protosw.h" | |
16 | #include "socket.h" | |
17 | #include "socketvar.h" | |
18 | #include "ioctl.h" | |
19 | #include "uio.h" | |
20 | #include "stat.h" | |
48aab316 SL |
21 | |
22 | #include "../net/if.h" | |
23 | #include "../net/route.h" | |
24 | ||
c4ec2128 | 25 | int soo_read(), soo_write(), soo_ioctl(), soo_select(), soo_close(); |
48aab316 | 26 | struct fileops socketops = |
c4ec2128 | 27 | { soo_read, soo_write, soo_ioctl, soo_select, soo_close }; |
48aab316 | 28 | |
c4ec2128 KM |
29 | /* ARGSUSED */ |
30 | soo_read(fp, uio, cred) | |
48aab316 | 31 | struct file *fp; |
48aab316 | 32 | struct uio *uio; |
c4ec2128 | 33 | struct ucred *cred; |
48aab316 | 34 | { |
48aab316 | 35 | |
c4ec2128 | 36 | return (soreceive((struct socket *)fp->f_data, (struct mbuf **)0, |
ac79b8e6 | 37 | uio, (struct mbuf **)0, (struct mbuf **)0, (int *)0)); |
c4ec2128 KM |
38 | } |
39 | ||
40 | /* ARGSUSED */ | |
41 | soo_write(fp, uio, cred) | |
42 | struct file *fp; | |
43 | struct uio *uio; | |
44 | struct ucred *cred; | |
45 | { | |
46 | ||
47 | return (sosend((struct socket *)fp->f_data, (struct mbuf *)0, | |
ac79b8e6 | 48 | uio, (struct mbuf *)0, (struct mbuf *)0, 0)); |
48aab316 SL |
49 | } |
50 | ||
8429d022 | 51 | soo_ioctl(fp, cmd, data, p) |
48aab316 SL |
52 | struct file *fp; |
53 | int cmd; | |
54 | register caddr_t data; | |
8429d022 | 55 | struct proc *p; |
48aab316 SL |
56 | { |
57 | register struct socket *so = (struct socket *)fp->f_data; | |
58 | ||
59 | switch (cmd) { | |
60 | ||
61 | case FIONBIO: | |
62 | if (*(int *)data) | |
63 | so->so_state |= SS_NBIO; | |
64 | else | |
65 | so->so_state &= ~SS_NBIO; | |
1116b929 | 66 | return (0); |
48aab316 SL |
67 | |
68 | case FIOASYNC: | |
d1ba3865 | 69 | if (*(int *)data) { |
48aab316 | 70 | so->so_state |= SS_ASYNC; |
d1ba3865 MK |
71 | so->so_rcv.sb_flags |= SB_ASYNC; |
72 | so->so_snd.sb_flags |= SB_ASYNC; | |
73 | } else { | |
48aab316 | 74 | so->so_state &= ~SS_ASYNC; |
d1ba3865 MK |
75 | so->so_rcv.sb_flags &= ~SB_ASYNC; |
76 | so->so_snd.sb_flags &= ~SB_ASYNC; | |
77 | } | |
1116b929 | 78 | return (0); |
48aab316 | 79 | |
8b899dbe SL |
80 | case FIONREAD: |
81 | *(int *)data = so->so_rcv.sb_cc; | |
1116b929 | 82 | return (0); |
8b899dbe | 83 | |
48aab316 | 84 | case SIOCSPGRP: |
a2aebb63 | 85 | so->so_pgid = *(int *)data; |
1116b929 | 86 | return (0); |
48aab316 SL |
87 | |
88 | case SIOCGPGRP: | |
a2aebb63 | 89 | *(int *)data = so->so_pgid; |
1116b929 | 90 | return (0); |
48aab316 SL |
91 | |
92 | case SIOCATMARK: | |
93 | *(int *)data = (so->so_state&SS_RCVATMARK) != 0; | |
1116b929 | 94 | return (0); |
48aab316 | 95 | } |
1116b929 SL |
96 | /* |
97 | * Interface/routing/protocol specific ioctls: | |
98 | * interface and routing ioctls should have a | |
99 | * different entry since a socket's unnecessary | |
100 | */ | |
ac79b8e6 | 101 | if (IOCGROUP(cmd) == 'i') |
8429d022 | 102 | return (ifioctl(so, cmd, data, p)); |
ac79b8e6 | 103 | if (IOCGROUP(cmd) == 'r') |
8429d022 | 104 | return (rtioctl(cmd, data, p)); |
1116b929 SL |
105 | return ((*so->so_proto->pr_usrreq)(so, PRU_CONTROL, |
106 | (struct mbuf *)cmd, (struct mbuf *)data, (struct mbuf *)0)); | |
48aab316 SL |
107 | } |
108 | ||
8429d022 | 109 | soo_select(fp, which, p) |
48aab316 SL |
110 | struct file *fp; |
111 | int which; | |
8429d022 | 112 | struct proc *p; |
48aab316 SL |
113 | { |
114 | register struct socket *so = (struct socket *)fp->f_data; | |
115 | register int s = splnet(); | |
116 | ||
117 | switch (which) { | |
118 | ||
119 | case FREAD: | |
120 | if (soreadable(so)) { | |
121 | splx(s); | |
122 | return (1); | |
123 | } | |
8429d022 | 124 | sbselqueue(&so->so_rcv, p); |
48aab316 SL |
125 | break; |
126 | ||
127 | case FWRITE: | |
128 | if (sowriteable(so)) { | |
129 | splx(s); | |
130 | return (1); | |
131 | } | |
8429d022 | 132 | sbselqueue(&so->so_snd, p); |
48aab316 | 133 | break; |
de2c74a5 MK |
134 | |
135 | case 0: | |
136 | if (so->so_oobmark || | |
137 | (so->so_state & SS_RCVATMARK)) { | |
138 | splx(s); | |
139 | return (1); | |
140 | } | |
8429d022 | 141 | sbselqueue(&so->so_rcv, p); |
de2c74a5 | 142 | break; |
48aab316 SL |
143 | } |
144 | splx(s); | |
145 | return (0); | |
146 | } | |
147 | ||
92438dfc SL |
148 | soo_stat(so, ub) |
149 | register struct socket *so; | |
48aab316 SL |
150 | register struct stat *ub; |
151 | { | |
48aab316 SL |
152 | |
153 | bzero((caddr_t)ub, sizeof (*ub)); | |
48aab316 SL |
154 | return ((*so->so_proto->pr_usrreq)(so, PRU_SENSE, |
155 | (struct mbuf *)ub, (struct mbuf *)0, | |
156 | (struct mbuf *)0)); | |
48aab316 SL |
157 | } |
158 | ||
159 | soo_close(fp) | |
160 | struct file *fp; | |
161 | { | |
ec04fec2 | 162 | int error = 0; |
e0813a30 | 163 | |
ec04fec2 SL |
164 | if (fp->f_data) |
165 | error = soclose((struct socket *)fp->f_data); | |
48aab316 SL |
166 | fp->f_data = 0; |
167 | return (error); | |
168 | } |