projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 90269d47 | 1 | /* ==== fd_pipe.h ============================================================ |
| 56a62443 | 2 | * Copyright (c) 1993 by Chris Provenzano, proven@mit.edu |
| 30b08b75 AM |
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, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 56a62443 CP |
15 | * This product includes software developed by Chris Provenzano. |
| 16 | * 4. The name of Chris Provenzano may not be used to endorse or promote | |
| 17 | * products derived from this software without specific prior written | |
| 18 | * permission. | |
| 30b08b75 | 19 | * |
| 56a62443 | 20 | * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND |
| 30b08b75 AM |
21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 56a62443 CP |
23 | * ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY |
| 24 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 25 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 26 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 27 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 30 | * SUCH DAMAGE. | |
| 31 | * | |
| 32 | * Description : The new fast ITC pipe header. | |
| 33 | * | |
| 34 | * 1.00 93/08/14 proven | |
| 35 | * -Started coding this file. | |
| 30b08b75 | 36 | */ |
| 56a62443 | 37 | |
| 90269d47 AM |
38 | struct __pipe { |
| 39 | semaphore lock; | |
| 40 | char * buf; | |
| 41 | int size; | |
| 42 | int flags; | |
| 43 | int count; | |
| 44 | int offset; | |
| 45 | struct pthread * wait; | |
| 46 | char * wait_buf; | |
| 47 | size_t wait_size; | |
| 48 | }; | |
| 49 | ||
| 50 | #define RD_CLOSED 0x01 | |
| 51 | #define WR_CLOSED 0x02 | |
| 52 |