| sys_pipe.c (102241) | sys_pipe.c (104094) |
|---|---|
| 1/* 2 * Copyright (c) 1996 John S. Dyson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice immediately at the beginning of the file, without modification, 10 * this list of conditions, and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Absolutely no warranty of function or purpose is made by the author 15 * John S. Dyson. 16 * 4. Modifications may be freely made to this file if the above conditions 17 * are met. 18 * | 1/* 2 * Copyright (c) 1996 John S. Dyson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice immediately at the beginning of the file, without modification, 10 * this list of conditions, and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Absolutely no warranty of function or purpose is made by the author 15 * John S. Dyson. 16 * 4. Modifications may be freely made to this file if the above conditions 17 * are met. 18 * |
| 19 * $FreeBSD: head/sys/kern/sys_pipe.c 102241 2002-08-21 23:39:52Z archie $ | 19 * $FreeBSD: head/sys/kern/sys_pipe.c 104094 2002-09-28 17:15:38Z phk $ |
| 20 */ 21 22/* 23 * This file contains a high-performance replacement for the socket-based 24 * pipes scheme originally used in FreeBSD/4.4Lite. It does not support 25 * all features of sockets, but does do everything that pipes normally 26 * do. 27 */ --- 1121 unchanged lines hidden (view full) --- 1149 1150 PIPE_UNLOCK(rpipe); 1151 return (error); 1152} 1153 1154/* 1155 * we implement a very minimal set of ioctls for compatibility with sockets. 1156 */ | 20 */ 21 22/* 23 * This file contains a high-performance replacement for the socket-based 24 * pipes scheme originally used in FreeBSD/4.4Lite. It does not support 25 * all features of sockets, but does do everything that pipes normally 26 * do. 27 */ --- 1121 unchanged lines hidden (view full) --- 1149 1150 PIPE_UNLOCK(rpipe); 1151 return (error); 1152} 1153 1154/* 1155 * we implement a very minimal set of ioctls for compatibility with sockets. 1156 */ |
| 1157int | 1157static int |
| 1158pipe_ioctl(fp, cmd, data, active_cred, td) 1159 struct file *fp; 1160 u_long cmd; 1161 void *data; 1162 struct ucred *active_cred; 1163 struct thread *td; 1164{ 1165 struct pipe *mpipe = (struct pipe *)fp->f_data; --- 45 unchanged lines hidden (view full) --- 1211 case TIOCGPGRP: 1212 *(int *)data = -fgetown(mpipe->pipe_sigio); 1213 return (0); 1214 1215 } 1216 return (ENOTTY); 1217} 1218 | 1158pipe_ioctl(fp, cmd, data, active_cred, td) 1159 struct file *fp; 1160 u_long cmd; 1161 void *data; 1162 struct ucred *active_cred; 1163 struct thread *td; 1164{ 1165 struct pipe *mpipe = (struct pipe *)fp->f_data; --- 45 unchanged lines hidden (view full) --- 1211 case TIOCGPGRP: 1212 *(int *)data = -fgetown(mpipe->pipe_sigio); 1213 return (0); 1214 1215 } 1216 return (ENOTTY); 1217} 1218 |
| 1219int | 1219static int |
| 1220pipe_poll(fp, events, active_cred, td) 1221 struct file *fp; 1222 int events; 1223 struct ucred *active_cred; 1224 struct thread *td; 1225{ 1226 struct pipe *rpipe = (struct pipe *)fp->f_data; 1227 struct pipe *wpipe; --- 278 unchanged lines hidden --- | 1220pipe_poll(fp, events, active_cred, td) 1221 struct file *fp; 1222 int events; 1223 struct ucred *active_cred; 1224 struct thread *td; 1225{ 1226 struct pipe *rpipe = (struct pipe *)fp->f_data; 1227 struct pipe *wpipe; --- 278 unchanged lines hidden --- |