ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change
on this file since b4b63e8 was
0aec496,
checked in by Thierry Delisle <tdelisle@…>, 4 years ago
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1 | #include <assert.h> |
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2 | #include <stdlib.hfa> |
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3 | |
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4 | #include "channel.hfa" |
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5 | |
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6 | // forall(otype T) { |
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7 | void ?{}( channel & this, int _size ) with(this) { |
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8 | buffer = anew( _size ); |
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9 | front = 0; |
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10 | back = 0; |
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11 | count = 0; |
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12 | size = _size; |
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13 | |
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14 | (lock){}; |
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15 | (prods){}; |
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16 | (cons){}; |
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17 | } |
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18 | |
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19 | void ^?{}( channel & this ) { |
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20 | delete( this.buffer ); |
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21 | } |
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22 | |
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23 | void put( channel & this, int elem ) with( this ) { |
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24 | lock( this.lock ); |
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25 | while( count == size) { |
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26 | wait( prods, this.lock ); |
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27 | } |
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28 | |
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29 | /* paranoid */ assert( count < size ); |
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30 | buffer[back] = elem; |
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31 | count ++; |
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32 | back = (back + 1) % size; |
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33 | |
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34 | notify_one( cons ); |
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35 | unlock( this.lock ); |
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36 | } |
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37 | |
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38 | int take( channel & this ) with( this ) { |
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39 | lock( this.lock ); |
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40 | while( count == 0 ) { |
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41 | wait( cons, this.lock ); |
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42 | } |
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43 | |
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44 | /* paranoid */ assert( count > 0 ); |
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45 | int temp = buffer[front]; |
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46 | count --; |
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47 | front = (front + 1) % size; |
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48 | |
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49 | notify_one( prods ); |
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50 | unlock( this.lock ); |
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51 | return temp; |
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52 | } |
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53 | // } |
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