Commit | Line | Data |
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da7c5cc6 | 1 | /* |
a2aebb63 | 2 | * Copyright (c) 1982, 1986, 1988 Regents of the University of California. |
e0813a30 | 3 | * All rights reserved. |
da7c5cc6 | 4 | * |
e0813a30 | 5 | * Redistribution and use in source and binary forms are permitted |
616d42db KB |
6 | * provided that the above copyright notice and this paragraph are |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
e0813a30 | 16 | * |
a2aebb63 | 17 | * @(#)sys_socket.c 7.4 (Berkeley) %G% |
da7c5cc6 | 18 | */ |
48aab316 | 19 | |
94368568 JB |
20 | #include "param.h" |
21 | #include "systm.h" | |
22 | #include "dir.h" | |
23 | #include "user.h" | |
24 | #include "file.h" | |
25 | #include "mbuf.h" | |
26 | #include "protosw.h" | |
27 | #include "socket.h" | |
28 | #include "socketvar.h" | |
29 | #include "ioctl.h" | |
30 | #include "uio.h" | |
31 | #include "stat.h" | |
48aab316 SL |
32 | |
33 | #include "../net/if.h" | |
34 | #include "../net/route.h" | |
35 | ||
92438dfc | 36 | int soo_rw(), soo_ioctl(), soo_select(), soo_close(); |
48aab316 | 37 | struct fileops socketops = |
92438dfc | 38 | { soo_rw, soo_ioctl, soo_select, soo_close }; |
48aab316 SL |
39 | |
40 | soo_rw(fp, rw, uio) | |
41 | struct file *fp; | |
42 | enum uio_rw rw; | |
43 | struct uio *uio; | |
44 | { | |
45 | int soreceive(), sosend(); | |
46 | ||
a2aebb63 KS |
47 | return ((*(rw == UIO_READ ? soreceive : sosend)) |
48 | ((struct socket *)fp->f_data, 0, uio, 0, 0, 0)); | |
48aab316 SL |
49 | } |
50 | ||
51 | soo_ioctl(fp, cmd, data) | |
52 | struct file *fp; | |
53 | int cmd; | |
54 | register caddr_t data; | |
55 | { | |
56 | register struct socket *so = (struct socket *)fp->f_data; | |
57 | ||
58 | switch (cmd) { | |
59 | ||
60 | case FIONBIO: | |
61 | if (*(int *)data) | |
62 | so->so_state |= SS_NBIO; | |
63 | else | |
64 | so->so_state &= ~SS_NBIO; | |
1116b929 | 65 | return (0); |
48aab316 SL |
66 | |
67 | case FIOASYNC: | |
68 | if (*(int *)data) | |
69 | so->so_state |= SS_ASYNC; | |
70 | else | |
71 | so->so_state &= ~SS_ASYNC; | |
1116b929 | 72 | return (0); |
48aab316 | 73 | |
8b899dbe SL |
74 | case FIONREAD: |
75 | *(int *)data = so->so_rcv.sb_cc; | |
1116b929 | 76 | return (0); |
8b899dbe | 77 | |
48aab316 | 78 | case SIOCSPGRP: |
a2aebb63 | 79 | so->so_pgid = *(int *)data; |
1116b929 | 80 | return (0); |
48aab316 SL |
81 | |
82 | case SIOCGPGRP: | |
a2aebb63 | 83 | *(int *)data = so->so_pgid; |
1116b929 | 84 | return (0); |
48aab316 SL |
85 | |
86 | case SIOCATMARK: | |
87 | *(int *)data = (so->so_state&SS_RCVATMARK) != 0; | |
1116b929 | 88 | return (0); |
48aab316 | 89 | } |
1116b929 SL |
90 | /* |
91 | * Interface/routing/protocol specific ioctls: | |
92 | * interface and routing ioctls should have a | |
93 | * different entry since a socket's unnecessary | |
94 | */ | |
95 | #define cmdbyte(x) (((x) >> 8) & 0xff) | |
96 | if (cmdbyte(cmd) == 'i') | |
adcb6261 | 97 | return (ifioctl(so, cmd, data)); |
1116b929 SL |
98 | if (cmdbyte(cmd) == 'r') |
99 | return (rtioctl(cmd, data)); | |
100 | return ((*so->so_proto->pr_usrreq)(so, PRU_CONTROL, | |
101 | (struct mbuf *)cmd, (struct mbuf *)data, (struct mbuf *)0)); | |
48aab316 SL |
102 | } |
103 | ||
104 | soo_select(fp, which) | |
105 | struct file *fp; | |
106 | int which; | |
107 | { | |
108 | register struct socket *so = (struct socket *)fp->f_data; | |
109 | register int s = splnet(); | |
110 | ||
111 | switch (which) { | |
112 | ||
113 | case FREAD: | |
114 | if (soreadable(so)) { | |
115 | splx(s); | |
116 | return (1); | |
117 | } | |
118 | sbselqueue(&so->so_rcv); | |
119 | break; | |
120 | ||
121 | case FWRITE: | |
122 | if (sowriteable(so)) { | |
123 | splx(s); | |
124 | return (1); | |
125 | } | |
126 | sbselqueue(&so->so_snd); | |
127 | break; | |
de2c74a5 MK |
128 | |
129 | case 0: | |
130 | if (so->so_oobmark || | |
131 | (so->so_state & SS_RCVATMARK)) { | |
132 | splx(s); | |
133 | return (1); | |
134 | } | |
135 | sbselqueue(&so->so_rcv); | |
136 | break; | |
48aab316 SL |
137 | } |
138 | splx(s); | |
139 | return (0); | |
140 | } | |
141 | ||
502b634a | 142 | /*ARGSUSED*/ |
92438dfc SL |
143 | soo_stat(so, ub) |
144 | register struct socket *so; | |
48aab316 SL |
145 | register struct stat *ub; |
146 | { | |
48aab316 SL |
147 | |
148 | bzero((caddr_t)ub, sizeof (*ub)); | |
48aab316 SL |
149 | return ((*so->so_proto->pr_usrreq)(so, PRU_SENSE, |
150 | (struct mbuf *)ub, (struct mbuf *)0, | |
151 | (struct mbuf *)0)); | |
48aab316 SL |
152 | } |
153 | ||
154 | soo_close(fp) | |
155 | struct file *fp; | |
156 | { | |
ec04fec2 | 157 | int error = 0; |
e0813a30 | 158 | |
ec04fec2 SL |
159 | if (fp->f_data) |
160 | error = soclose((struct socket *)fp->f_data); | |
48aab316 SL |
161 | fp->f_data = 0; |
162 | return (error); | |
163 | } |