diff options
Diffstat (limited to 'sys/svr4/svr4_filio.c')
-rw-r--r-- | sys/svr4/svr4_filio.c | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/sys/svr4/svr4_filio.c b/sys/svr4/svr4_filio.c deleted file mode 100644 index 92b4092..0000000 --- a/sys/svr4/svr4_filio.c +++ /dev/null @@ -1,228 +0,0 @@ -/* - * Copyright (c) 1998 Mark Newton - * Copyright (c) 1994 Christos Zoulas - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $FreeBSD$ - */ - -#include <sys/param.h> -#include <sys/proc.h> -#include <sys/systm.h> -#include <sys/file.h> -#include <sys/filio.h> -#include <sys/signal.h> -#include <sys/filedesc.h> -#include <sys/poll.h> -#include <sys/malloc.h> - -#include <sys/sysproto.h> - -#include <svr4/svr4.h> -#include <svr4/svr4_types.h> -#include <svr4/svr4_util.h> -#include <svr4/svr4_signal.h> -#include <svr4/svr4_proto.h> -#include <svr4/svr4_ioctl.h> -#include <svr4/svr4_filio.h> - -/*#define GROTTY_READ_HACK*/ - -int -svr4_sys_poll(p, uap) - struct proc *p; - struct svr4_sys_poll_args *uap; -{ - int error; - struct poll_args pa; - struct pollfd *pfd; - int idx = 0, cerr; - u_long siz; - - SCARG(&pa, fds) = SCARG(uap, fds); - SCARG(&pa, nfds) = SCARG(uap, nfds); - SCARG(&pa, timeout) = SCARG(uap, timeout); - - siz = SCARG(uap, nfds) * sizeof(struct pollfd); - pfd = (struct pollfd *)malloc(siz, M_TEMP, M_WAITOK); - - error = poll(p, (struct poll_args *)uap); - - if ((cerr = copyin(SCARG(uap, fds), pfd, siz)) != 0) { - error = cerr; - goto done; - } - - for (idx = 0; idx < SCARG(uap, nfds); idx++) { - /* POLLWRNORM already equals POLLOUT, so we don't worry about that */ - if (pfd[idx].revents & (POLLOUT | POLLWRNORM | POLLWRBAND)) - pfd[idx].revents |= (POLLOUT | POLLWRNORM | POLLWRBAND); - } - if ((cerr = copyout(pfd, SCARG(uap, fds), siz)) != 0) { - error = cerr; - goto done; /* yeah, I know it's the next line, but this way I won't - forget to update it if I add more code */ - } -done: - free(pfd, M_TEMP); - return error; -} - -#if defined(READ_TEST) -int -svr4_sys_read(p, uap) - struct proc *p; - struct svr4_sys_read_args *uap; -{ - struct read_args ra; - struct filedesc *fdp = p->p_fd; - struct file *fp; - struct socket *so = NULL; - int so_state; - sigset_t sigmask; - int rv; - - SCARG(&ra, fd) = SCARG(uap, fd); - SCARG(&ra, buf) = SCARG(uap, buf); - SCARG(&ra, nbyte) = SCARG(uap, nbyte); - - if ((fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL) { - DPRINTF(("Something fishy with the user-supplied file descriptor...\n")); - return EBADF; - } - - if (fp->f_type == DTYPE_SOCKET) { - so = (struct socket *)fp->f_data; - DPRINTF(("fd %d is a socket\n", SCARG(uap, fd))); - if (so->so_state & SS_ASYNC) { - DPRINTF(("fd %d is an ASYNC socket!\n", SCARG(uap, fd))); - } - DPRINTF(("Here are its flags: 0x%x\n", so->so_state)); -#if defined(GROTTY_READ_HACK) - so_state = so->so_state; - so->so_state &= ~SS_NBIO; -#endif - } - - rv = read(p, &ra); - - DPRINTF(("svr4_read(%d, 0x%0x, %d) = %d\n", - SCARG(uap, fd), SCARG(uap, buf), SCARG(uap, nbyte), rv)); - if (rv == EAGAIN) { - DPRINTF(("sigmask = 0x%x\n", p->p_sigmask)); - DPRINTF(("sigignore = 0x%x\n", p->p_sigignore)); - DPRINTF(("sigcaught = 0x%x\n", p->p_sigcatch)); - DPRINTF(("siglist = 0x%x\n", p->p_siglist)); - } - -#if defined(GROTTY_READ_HACK) - if (so) { /* We've already checked to see if this is a socket */ - so->so_state = so_state; - } -#endif - - return(rv); -} -#endif /* READ_TEST */ - -#if defined(BOGUS) -int -svr4_sys_write(p, uap) - struct proc *p; - struct svr4_sys_write_args *uap; -{ - struct write_args wa; - struct filedesc *fdp; - struct file *fp; - int rv; - - SCARG(&wa, fd) = SCARG(uap, fd); - SCARG(&wa, buf) = SCARG(uap, buf); - SCARG(&wa, nbyte) = SCARG(uap, nbyte); - - rv = write(p, &wa); - - DPRINTF(("svr4_write(%d, 0x%0x, %d) = %d\n", - SCARG(uap, fd), SCARG(uap, buf), SCARG(uap, nbyte), rv)); - - return(rv); -} -#endif /* BOGUS */ - -int -svr4_fil_ioctl(fp, p, retval, fd, cmd, data) - struct file *fp; - struct proc *p; - register_t *retval; - int fd; - u_long cmd; - caddr_t data; -{ - int error; - int num; - struct filedesc *fdp = p->p_fd; - - *retval = 0; - - switch (cmd) { - case SVR4_FIOCLEX: - fdp->fd_ofileflags[fd] |= UF_EXCLOSE; - return 0; - - case SVR4_FIONCLEX: - fdp->fd_ofileflags[fd] &= ~UF_EXCLOSE; - return 0; - - case SVR4_FIOGETOWN: - case SVR4_FIOSETOWN: - case SVR4_FIOASYNC: - case SVR4_FIONBIO: - case SVR4_FIONREAD: - if ((error = copyin(data, &num, sizeof(num))) != 0) - return error; - - switch (cmd) { - case SVR4_FIOGETOWN: cmd = FIOGETOWN; break; - case SVR4_FIOSETOWN: cmd = FIOSETOWN; break; - case SVR4_FIOASYNC: cmd = FIOASYNC; break; - case SVR4_FIONBIO: cmd = FIONBIO; break; - case SVR4_FIONREAD: cmd = FIONREAD; break; - } - -#ifdef SVR4_DEBUG - if (cmd == FIOASYNC) DPRINTF(("FIOASYNC\n")); -#endif - error = fo_ioctl(fp, cmd, (caddr_t) &num, p); - - if (error) - return error; - - return copyout(&num, data, sizeof(num)); - - default: - DPRINTF(("Unknown svr4 filio %lx\n", cmd)); - return 0; /* ENOSYS really */ - } -} |