2 * Copyright (c) 1998 Mark Newton
3 * Copyright (c) 1994 Christos Zoulas
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * $FreeBSD: src/sys/svr4/svr4_filio.c,v 1.8 2000/01/15 15:30:44 newton Exp $
29 * $DragonFly: src/sys/emulation/svr4/Attic/svr4_filio.c,v 1.2 2003/06/17 04:28:57 dillon Exp $
32 #include <sys/param.h>
34 #include <sys/systm.h>
36 #include <sys/filio.h>
37 #include <sys/signal.h>
38 #include <sys/filedesc.h>
40 #include <sys/malloc.h>
42 #include <sys/sysproto.h>
44 #include <svr4/svr4.h>
45 #include <svr4/svr4_types.h>
46 #include <svr4/svr4_util.h>
47 #include <svr4/svr4_signal.h>
48 #include <svr4/svr4_proto.h>
49 #include <svr4/svr4_ioctl.h>
50 #include <svr4/svr4_filio.h>
52 /*#define GROTTY_READ_HACK*/
57 struct svr4_sys_poll_args *uap;
65 SCARG(&pa, fds) = SCARG(uap, fds);
66 SCARG(&pa, nfds) = SCARG(uap, nfds);
67 SCARG(&pa, timeout) = SCARG(uap, timeout);
69 siz = SCARG(uap, nfds) * sizeof(struct pollfd);
70 pfd = (struct pollfd *)malloc(siz, M_TEMP, M_WAITOK);
72 error = poll(p, (struct poll_args *)uap);
74 if ((cerr = copyin(SCARG(uap, fds), pfd, siz)) != 0) {
79 for (idx = 0; idx < SCARG(uap, nfds); idx++) {
80 /* POLLWRNORM already equals POLLOUT, so we don't worry about that */
81 if (pfd[idx].revents & (POLLOUT | POLLWRNORM | POLLWRBAND))
82 pfd[idx].revents |= (POLLOUT | POLLWRNORM | POLLWRBAND);
84 if ((cerr = copyout(pfd, SCARG(uap, fds), siz)) != 0) {
86 goto done; /* yeah, I know it's the next line, but this way I won't
87 forget to update it if I add more code */
94 #if defined(READ_TEST)
98 struct svr4_sys_read_args *uap;
101 struct filedesc *fdp = p->p_fd;
103 struct socket *so = NULL;
108 SCARG(&ra, fd) = SCARG(uap, fd);
109 SCARG(&ra, buf) = SCARG(uap, buf);
110 SCARG(&ra, nbyte) = SCARG(uap, nbyte);
112 if ((fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL) {
113 DPRINTF(("Something fishy with the user-supplied file descriptor...\n"));
117 if (fp->f_type == DTYPE_SOCKET) {
118 so = (struct socket *)fp->f_data;
119 DPRINTF(("fd %d is a socket\n", SCARG(uap, fd)));
120 if (so->so_state & SS_ASYNC) {
121 DPRINTF(("fd %d is an ASYNC socket!\n", SCARG(uap, fd)));
123 DPRINTF(("Here are its flags: 0x%x\n", so->so_state));
124 #if defined(GROTTY_READ_HACK)
125 so_state = so->so_state;
126 so->so_state &= ~SS_NBIO;
132 DPRINTF(("svr4_read(%d, 0x%0x, %d) = %d\n",
133 SCARG(uap, fd), SCARG(uap, buf), SCARG(uap, nbyte), rv));
135 DPRINTF(("sigmask = 0x%x\n", p->p_sigmask));
136 DPRINTF(("sigignore = 0x%x\n", p->p_sigignore));
137 DPRINTF(("sigcaught = 0x%x\n", p->p_sigcatch));
138 DPRINTF(("siglist = 0x%x\n", p->p_siglist));
141 #if defined(GROTTY_READ_HACK)
142 if (so) { /* We've already checked to see if this is a socket */
143 so->so_state = so_state;
149 #endif /* READ_TEST */
153 svr4_sys_write(p, uap)
155 struct svr4_sys_write_args *uap;
157 struct write_args wa;
158 struct filedesc *fdp;
162 SCARG(&wa, fd) = SCARG(uap, fd);
163 SCARG(&wa, buf) = SCARG(uap, buf);
164 SCARG(&wa, nbyte) = SCARG(uap, nbyte);
168 DPRINTF(("svr4_write(%d, 0x%0x, %d) = %d\n",
169 SCARG(uap, fd), SCARG(uap, buf), SCARG(uap, nbyte), rv));
176 svr4_fil_ioctl(fp, p, retval, fd, cmd, data)
186 struct filedesc *fdp = p->p_fd;
192 fdp->fd_ofileflags[fd] |= UF_EXCLOSE;
196 fdp->fd_ofileflags[fd] &= ~UF_EXCLOSE;
204 if ((error = copyin(data, &num, sizeof(num))) != 0)
208 case SVR4_FIOGETOWN: cmd = FIOGETOWN; break;
209 case SVR4_FIOSETOWN: cmd = FIOSETOWN; break;
210 case SVR4_FIOASYNC: cmd = FIOASYNC; break;
211 case SVR4_FIONBIO: cmd = FIONBIO; break;
212 case SVR4_FIONREAD: cmd = FIONREAD; break;
216 if (cmd == FIOASYNC) DPRINTF(("FIOASYNC\n"));
218 error = fo_ioctl(fp, cmd, (caddr_t) &num, p);
223 return copyout(&num, data, sizeof(num));
226 DPRINTF(("Unknown svr4 filio %lx\n", cmd));
227 return 0; /* ENOSYS really */