1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 #include "lint.h" 31 #include <sys/param.h> 32 #include <sys/sockio.h> 33 #include <sys/filio.h> 34 #include <sys/file.h> 35 #include <sys/types.h> 36 #include <fcntl.h> 37 #include <signal.h> 38 #include <sys/stat.h> 39 #include <sys/stropts.h> 40 #include <sys/socket.h> 41 #include <sys/stropts.h> 42 #include <sys/stream.h> 43 #include <sys/socketvar.h> 44 #include <sys/syscall.h> 45 #include <errno.h> 46 #include <stdio.h> 47 #include <stdarg.h> 48 #include <unistd.h> 49 #include <string.h> 50 #include <stdlib.h> 51 #include "libc.h" 52 53 #if !defined(_LP64) 54 /* 55 * XXX these hacks are needed for X.25 which assumes that s_fcntl and 56 * s_ioctl exist in the socket library. 57 * There is no need for s_ioctl for other purposes. 58 */ 59 #pragma weak s_fcntl = __fcntl 60 #pragma weak _s_fcntl = __fcntl 61 int 62 s_ioctl(int fd, int cmd, intptr_t arg) 63 { 64 return (ioctl(fd, cmd, arg)); 65 } 66 #endif /* _LP64 */ 67 68 int 69 __fcntl(int fd, int cmd, ...) 70 { 71 int res; 72 int pid; 73 intptr_t arg; 74 va_list ap; 75 76 va_start(ap, cmd); 77 arg = va_arg(ap, intptr_t); 78 va_end(ap); 79 80 switch (cmd) { 81 case F_SETOWN: 82 pid = (int)arg; 83 return (ioctl(fd, FIOSETOWN, &pid)); 84 85 case F_GETOWN: 86 if (ioctl(fd, FIOGETOWN, &res) < 0) 87 return (-1); 88 return (res); 89 90 default: 91 return (syscall(SYS_fcntl, fd, cmd, arg)); 92 } 93 } 94