Mercurial > hg > CbC > CbC_xv6

annotate src/impl/pipe.h @ 160:5de948efb678

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mv move_data_gears to impl
author anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
date Tue, 14 Jan 2020 17:10:32 +0900
parents src/move_data_gears/pipe.h@eda7ea83f4f3
children 06bf68d3b83b
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159
eda7ea83f4f3 impl file interface
anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents: 154
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1 typedef struct pipe<Impl, Isa> Impl file {
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2 #define PIPESIZE 512
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3 struct spinlock lock;
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4 char data[PIPESIZE];
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5 uint nread; // number of bytes read
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6 uint nwrite; // number of bytes written
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7 int readopen; // read fd is still open
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8 int writeopen; // write fd is still open
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9 } pipe;