diff options
Diffstat (limited to 'usr/src/lib/libbc/libc/sys/sys5/fcntl.c')
| -rw-r--r-- | usr/src/lib/libbc/libc/sys/sys5/fcntl.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/usr/src/lib/libbc/libc/sys/sys5/fcntl.c b/usr/src/lib/libbc/libc/sys/sys5/fcntl.c deleted file mode 100644 index 3d8342ba4c..0000000000 --- a/usr/src/lib/libbc/libc/sys/sys5/fcntl.c +++ /dev/null @@ -1,181 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright (c) 1990-1996 by Sun Microsystems, Inc. - * All rights reserved. - */ - -#ident "%Z%%M% %I% %E% SMI" - -#include <sys/syscall.h> -#include <sys/fcntl.h> -#include <sys/errno.h> -#include <sys/filio.h> -#include <sys/ioccom.h> -#include <unistd.h> - -/* The following is an array of fcntl commands. The numbers listed - * below are from SVR4. Array is indexed with SunOS 4.1 numbers to - * obtain the SVR4 numbers. - */ -int cmd_op[14] = {0, 1, 2, 3, 4, 23, 24, 14, 6, 7, 21, 20, -1, 22}; - -/* SVR4/SunOS 5.0 equivalent modes */ -#define N_O_NDELAY 0x04 -#define N_O_SYNC 0x10 -#define N_O_NONBLOCK 0x80 -#define N_O_CREAT 0x100 -#define N_O_TRUNC 0x200 -#define N_O_EXCL 0x400 - -#define S5_FASYNC 0x1000 - -/* from SVR4 stropts.h */ -#define S5_S_RDNORM 0x0040 -#define S5_S_WRNORM 0x0004 -#define S5_S_RDBAND 0x0080 -#define S5_S_BANDURG 0x0200 -#define S5_I_SETSIG (('S'<<8)|011) -#define S5_I_GETSIG (('S'<<8)|012) - -/* Mask corresponding to the bits above in SunOS 4.x */ -#define FLAGS_MASK (O_SYNC|O_NONBLOCK|O_CREAT|O_TRUNC|O_EXCL \ - |O_NDELAY|FASYNC) -#define N_FLAGS_MASK (N_O_NDELAY|N_O_SYNC|N_O_NONBLOCK|N_O_CREAT \ - |N_O_TRUNC|N_O_EXCL|S5_FASYNC) - -struct n_flock { - short l_type; - short l_whence; - long l_start; - long l_len; /* len == 0 means until end of file */ - long l_sysid; - long l_pid; - long pad[4]; /* reserve area */ -} ; - -int fcntl(fd, cmd, arg) -int fd, cmd, arg; -{ - return(bc_fcntl(fd, cmd, arg)); -} - -int bc_fcntl(fd, cmd, arg) -int fd, cmd, arg; -{ - int fds, ret; - struct flock *savarg; - struct n_flock nfl; - extern int errno; - int narg, i; - - if ((cmd == F_SETOWN) || (cmd == F_GETOWN)) { - ret = _s_fcntl(fd, cmd_op[cmd], arg); - if ((ret != -1) || (errno != EINVAL)) - return (ret); - else { - if (cmd == F_GETOWN) { - if (_ioctl(fd, S5_I_GETSIG, &i) < 0) { - if (errno == EINVAL) - i = 0; - else - return (-1); - } - if (i & (S5_S_RDBAND|S5_S_BANDURG| - S5_S_RDNORM|S5_S_WRNORM)) - return (getpid()); - return (0); - } else { /* cmd == F_SETOWN */ - i = S5_S_RDNORM|S5_S_WRNORM|S5_S_RDBAND|S5_S_BANDURG; - return (ioctl(fd, S5_I_SETSIG, i)); - } - } - } - if (cmd == F_SETFL) { - if (arg & FLAGS_MASK) { - narg = arg & ~FLAGS_MASK; - if (arg & FASYNC) - narg |= S5_FASYNC; - if (arg & O_SYNC) - narg |= N_O_SYNC; - if (arg & O_CREAT) - narg |= N_O_CREAT; - if (arg & O_TRUNC) - narg |= N_O_TRUNC; - if (arg & O_EXCL) - narg |= N_O_EXCL; - if (arg & (O_NDELAY)) - narg |= N_O_NDELAY; - if (arg & O_NONBLOCK) - narg |= N_O_NONBLOCK; - arg = narg; - } - } else if (cmd == F_SETLK || cmd == F_SETLKW || cmd == F_GETLK) { - if (arg == 0 || arg == -1) { - errno = EFAULT; - return(-1); - } - savarg = (struct flock *)arg; - arg = (int) &nfl; - nfl.l_type = savarg->l_type; - nfl.l_whence = savarg->l_whence; - nfl.l_start = savarg->l_start; - nfl.l_len = savarg->l_len; - nfl.l_pid = savarg->l_pid; - } - - ret = _s_fcntl(fd, cmd_op[cmd], arg); - - if (ret != -1) { - if (cmd == F_DUPFD) { - if ((fds = fd_get(fd)) != -1) - fd_add(ret, fds); - } else if (cmd == F_GETFL) { - if (ret & N_FLAGS_MASK) { - narg = ret & ~N_FLAGS_MASK; - if (ret & S5_FASYNC) - narg |= FASYNC; - if (ret & N_O_SYNC) - narg |= O_SYNC; - if (ret & N_O_NONBLOCK) - narg |= O_NONBLOCK; - if (ret & N_O_CREAT) - narg |= O_CREAT; - if (ret & N_O_TRUNC) - narg |= O_TRUNC; - if (ret & N_O_EXCL) - narg |= O_EXCL; - if (ret & (N_O_NDELAY)) - narg |= O_NDELAY; - ret = narg; - } - } else if (cmd == F_SETLK || cmd == F_SETLKW || - cmd == F_GETLK) { - savarg->l_type = nfl.l_type; - savarg->l_whence = nfl.l_whence; - savarg->l_start = nfl.l_start; - savarg->l_len = nfl.l_len; - savarg->l_pid = nfl.l_pid; - } - } - return(ret); -} |