diff options
Diffstat (limited to 'mit-pthreads/include/pthread/fd_pipe.h')
| -rwxr-xr-x | mit-pthreads/include/pthread/fd_pipe.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/mit-pthreads/include/pthread/fd_pipe.h b/mit-pthreads/include/pthread/fd_pipe.h new file mode 100755 index 00000000000..cc5670dbb7d --- /dev/null +++ b/mit-pthreads/include/pthread/fd_pipe.h @@ -0,0 +1,54 @@ +/* ==== fd_pipe.h ============================================================ + * Copyright (c) 1993 by Chris Provenzano, proven@mit.edu + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Chris Provenzano. + * 4. The name of Chris Provenzano may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + * + * Description : The new fast ITC pipe header. + * + * 1.00 93/08/14 proven + * -Started coding this file. + */ + +struct __pipe { + semaphore lock; + char * buf; + int size; + int flags; + int count; + int offset; + struct pthread * wait; + char * wait_buf; + size_t wait_size; +}; + +#define RD_CLOSED 0x01 +#define WR_CLOSED 0x02 + |