diff options
Diffstat (limited to 'sys/compat/svr4/svr4_filio.c')
-rw-r--r-- | sys/compat/svr4/svr4_filio.c | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/sys/compat/svr4/svr4_filio.c b/sys/compat/svr4/svr4_filio.c deleted file mode 100644 index 1b21985af494b..0000000000000 --- a/sys/compat/svr4/svr4_filio.c +++ /dev/null @@ -1,269 +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. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/proc.h> -#include <sys/systm.h> -#include <sys/capsicum.h> -#include <sys/file.h> -#include <sys/filio.h> -#include <sys/lock.h> -#include <sys/signal.h> -#include <sys/filedesc.h> -#include <sys/poll.h> -#include <sys/malloc.h> -#include <sys/mutex.h> - -#include <sys/sysproto.h> -#include <sys/syscallsubr.h> - -#include <compat/svr4/svr4.h> -#include <compat/svr4/svr4_types.h> -#include <compat/svr4/svr4_util.h> -#include <compat/svr4/svr4_signal.h> -#include <compat/svr4/svr4_proto.h> -#include <compat/svr4/svr4_ioctl.h> -#include <compat/svr4/svr4_filio.h> - -/*#define GROTTY_READ_HACK*/ - -int -svr4_sys_poll(td, uap) - struct thread *td; - struct svr4_sys_poll_args *uap; -{ - int error; - struct poll_args pa; - struct pollfd *pfd; - int idx = 0, cerr; - u_long siz; - - if (uap->nfds > maxfilesperproc && uap->nfds > FD_SETSIZE) - return (EINVAL); - - pa.fds = uap->fds; - pa.nfds = uap->nfds; - pa.timeout = uap->timeout; - - siz = uap->nfds * sizeof(struct pollfd); - pfd = (struct pollfd *)malloc(siz, M_TEMP, M_WAITOK); - - error = sys_poll(td, (struct poll_args *)uap); - - if ((cerr = copyin(uap->fds, pfd, siz)) != 0) { - error = cerr; - goto done; - } - - for (idx = 0; idx < 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, 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(td, uap) - struct thread *td; - struct svr4_sys_read_args *uap; -{ - struct read_args ra; - cap_rights_t rights; - struct file *fp; - struct socket *so = NULL; - int so_state; - sigset_t sigmask; - int rv; - - ra.fd = uap->fd; - ra.buf = uap->buf; - ra.nbyte = uap->nbyte; - - if (fget(td, uap->fd, cap_rights_init(&rights, CAP_READ), &fp) != 0) { - DPRINTF(("Something fishy with the user-supplied file descriptor...\n")); - return EBADF; - } - - if (fp->f_type == DTYPE_SOCKET) { - so = fp->f_data; - DPRINTF(("fd %d is a socket\n", uap->fd)); - if (so->so_state & SS_ASYNC) { - DPRINTF(("fd %d is an ASYNC socket!\n", 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(td, &ra); - - DPRINTF(("svr4_read(%d, 0x%0x, %d) = %d\n", - uap->fd, uap->buf, uap->nbyte, rv)); - if (rv == EAGAIN) { -#ifdef DEBUG_SVR4 - struct sigacts *ps; - - PROC_LOCK(td->td_proc); - ps = td->td_proc->p_sigacts; - mtx_lock(&ps->ps_mtx); -#endif - DPRINTF(("sigmask = 0x%x\n", td->td_sigmask)); - DPRINTF(("sigignore = 0x%x\n", ps->ps_sigignore)); - DPRINTF(("sigcaught = 0x%x\n", ps->ps_sigcatch)); - DPRINTF(("siglist = 0x%x\n", td->td_siglist)); -#ifdef DEBUG_SVR4 - mtx_unlock(&ps->ps_mtx); - PROC_UNLOCK(td->td_proc); -#endif - } - -#if defined(GROTTY_READ_HACK) - if (so) { /* We've already checked to see if this is a socket */ - so->so_state = so_state; - } -#endif - fdrop(fp, td); - - return(rv); -} -#endif /* READ_TEST */ - -#if defined(BOGUS) -int -svr4_sys_write(td, uap) - struct thread *td; - struct svr4_sys_write_args *uap; -{ - struct write_args wa; - struct file *fp; - int rv; - - wa.fd = uap->fd; - wa.buf = uap->buf; - wa.nbyte = uap->nbyte; - - rv = write(td, &wa); - - DPRINTF(("svr4_write(%d, 0x%0x, %d) = %d\n", - uap->fd, uap->buf, uap->nbyte, rv)); - - return(rv); -} -#endif /* BOGUS */ - -int -svr4_fil_ioctl(fp, td, retval, fd, cmd, data) - struct file *fp; - struct thread *td; - register_t *retval; - int fd; - u_long cmd; - caddr_t data; -{ - struct filedesc *fdp = td->td_proc->p_fd; - struct filedescent *fde; - int error, num; - - *retval = 0; - - switch (cmd) { - case SVR4_FIOCLEX: - FILEDESC_XLOCK(fdp); - fde = &fdp->fd_ofiles[fd]; - fde->fde_flags |= UF_EXCLOSE; - FILEDESC_XUNLOCK(fdp); - return 0; - - case SVR4_FIONCLEX: - FILEDESC_XLOCK(fdp); - fde = &fdp->fd_ofiles[fd]; - fde->fde_flags &= ~UF_EXCLOSE; - FILEDESC_XUNLOCK(fdp); - 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, td->td_ucred, td); - - if (error) - return error; - - return copyout(&num, data, sizeof(num)); - - default: - DPRINTF(("Unknown svr4 filio %lx\n", cmd)); - return 0; /* ENOSYS really */ - } -} - -int -svr4_pipe(struct thread *td, struct svr4_pipe_args *uap) { - int error; - int fildes[2]; - - error = kern_pipe(td, fildes, 0, NULL, NULL); - if (error) - return (error); - - td->td_retval[0] = fildes[0]; - td->td_retval[1] = fildes[1]; - - return (0); -} - |