Mercurial > hg > CbC > CbC_xv6

annotate src/impl/pipe.h @ 185:7fc3c3da2159

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bump pipe.h
author anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
date Tue, 21 Jan 2020 14:50:15 +0900
parents 21e83548d738
children 9d385a07dbfc
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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 union Data* file;
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4 struct spinlock lock;
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5 char data[PIPESIZE];
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6 uint nread; // number of bytes read
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7 uint nwrite; // number of bytes written
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8 int readopen; // read fd is still open
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9 int writeopen; // write fd is still open
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11 // interface field
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12 int n;
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13 char* addr;
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15 // private code gear
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16 __code piperead1(Impl* pipe, char* addr, int n, __code next(...));
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17 __code piperead2(Impl* pipe, char* addr, int n, __code next(...));
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18 __code cbc_fileclose(Impl* pipe, Isa* file, __code next(...));
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19 __code cbc_fileclose2(Impl* pipe, Isa* file,struct file* ff, __code next(...));
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20 __code cbc_fileclose3(Impl* pipe, Isa* file,struct file* ff, __code next(...));
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21 __code cbc_pipe_close(Impl* p, int writable, __code next(...));
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22 __code cbc_pipe_close_writeopen(Impl* p, __code next(...));
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23 __code cbc_pipe_close_readopen(Impl* p, __code next(...));
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24 } pipe;