Annotation of sys/compat/svr4/svr4_filio.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: svr4_filio.c,v 1.5 2002/03/14 01:26:51 millert Exp $ */
! 2: /* $NetBSD: svr4_filio.c,v 1.5 1996/04/11 12:54:40 christos Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1994 Christos Zoulas
! 6: * All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: * 3. The name of the author may not be used to endorse or promote products
! 17: * derived from this software without specific prior written permission
! 18: *
! 19: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 20: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 21: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 22: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 23: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 24: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 25: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 26: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 27: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 28: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 29: */
! 30:
! 31: #include <sys/param.h>
! 32: #include <sys/proc.h>
! 33: #include <sys/systm.h>
! 34: #include <sys/file.h>
! 35: #include <sys/filedesc.h>
! 36: #include <sys/ioctl.h>
! 37: #include <sys/termios.h>
! 38: #include <sys/tty.h>
! 39: #include <sys/socket.h>
! 40: #include <sys/mount.h>
! 41: #include <net/if.h>
! 42: #include <sys/malloc.h>
! 43:
! 44: #include <sys/syscallargs.h>
! 45:
! 46: #include <compat/svr4/svr4_types.h>
! 47: #include <compat/svr4/svr4_util.h>
! 48: #include <compat/svr4/svr4_signal.h>
! 49: #include <compat/svr4/svr4_syscallargs.h>
! 50: #include <compat/svr4/svr4_stropts.h>
! 51: #include <compat/svr4/svr4_ioctl.h>
! 52: #include <compat/svr4/svr4_filio.h>
! 53:
! 54:
! 55: int
! 56: svr4_fil_ioctl(fp, p, retval, fd, cmd, data)
! 57: struct file *fp;
! 58: struct proc *p;
! 59: register_t *retval;
! 60: int fd;
! 61: u_long cmd;
! 62: caddr_t data;
! 63: {
! 64: int error;
! 65: int num;
! 66: struct filedesc *fdp = p->p_fd;
! 67: int (*ctl)(struct file *, u_long, caddr_t, struct proc *) =
! 68: fp->f_ops->fo_ioctl;
! 69:
! 70: *retval = 0;
! 71:
! 72: switch (cmd) {
! 73: case SVR4_FIOCLEX:
! 74: fdp->fd_ofileflags[fd] |= UF_EXCLOSE;
! 75: return 0;
! 76:
! 77: case SVR4_FIONCLEX:
! 78: fdp->fd_ofileflags[fd] &= ~UF_EXCLOSE;
! 79: return 0;
! 80:
! 81: case SVR4_FIOGETOWN:
! 82: case SVR4_FIOSETOWN:
! 83: case SVR4_FIOASYNC:
! 84: case SVR4_FIONBIO:
! 85: case SVR4_FIONREAD:
! 86: if ((error = copyin(data, &num, sizeof(num))) != 0)
! 87: return error;
! 88:
! 89: switch (cmd) {
! 90: case SVR4_FIOGETOWN: cmd = FIOGETOWN; break;
! 91: case SVR4_FIOSETOWN: cmd = FIOSETOWN; break;
! 92: case SVR4_FIOASYNC: cmd = FIOASYNC; break;
! 93: case SVR4_FIONBIO: cmd = FIONBIO; break;
! 94: case SVR4_FIONREAD: cmd = FIONREAD; break;
! 95: }
! 96:
! 97: error = (*ctl)(fp, cmd, (caddr_t) &num, p);
! 98:
! 99: if (error)
! 100: return error;
! 101:
! 102: return copyout(&num, data, sizeof(num));
! 103:
! 104: default:
! 105: DPRINTF(("Unknown svr4 filio %lx\n", cmd));
! 106: return 0; /* ENOSYS really */
! 107: }
! 108: }
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