ast-experimental
Last change
on this file since c26bea2a was
c26bea2a,
checked in by Peter A. Buhr <pabuhr@…>, 15 months ago
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first attempt at renaming directory tests/concurrent to tests/concurrency to harmonize with other concurrency directory names
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-
Property mode set to
100644
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File size:
1.5 KB
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1 | #include <locks.hfa> |
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2 | #include <fstream.hfa> |
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3 | #include <stdio.h> |
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4 | #include <channel.hfa> |
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5 | #include <thread.hfa> |
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6 | #include <time.hfa> |
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7 | #include <string.h> |
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8 | |
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9 | size_t total_operations = 0; |
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10 | size_t Processors = 1, Tasks = 4; |
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11 | |
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12 | owner_lock o; |
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13 | |
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14 | typedef channel( int ) Channel; |
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15 | |
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16 | Channel * chain; |
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17 | |
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18 | thread Task {}; |
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19 | void main(Task & this) { |
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20 | size_t runs = 0; |
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21 | try{ |
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22 | for ( ;; ) { |
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23 | remove( *chain ); |
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24 | insert( *chain, 0 ); |
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25 | runs++; |
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26 | } |
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27 | } catch ( channel_closed * e ) {} |
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28 | lock( o ); |
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29 | total_operations += runs; |
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30 | unlock( o ); |
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31 | } |
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32 | |
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33 | |
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34 | int main( int argc, char * argv[] ) { |
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35 | switch ( argc ) { |
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36 | case 3: |
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37 | if ( strcmp( argv[2], "d" ) != 0 ) { // default ? |
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38 | Tasks = atoi( argv[2] ); |
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39 | if ( Tasks < 1 ) goto Usage; |
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40 | } // if |
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41 | case 2: |
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42 | if ( strcmp( argv[1], "d" ) != 0 ) { // default ? |
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43 | Processors = atoi( argv[1] ); |
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44 | if ( Processors < 1 ) goto Usage; |
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45 | } // if |
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46 | case 1: // use defaults |
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47 | break; |
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48 | default: |
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49 | Usage: |
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50 | sout | "Usage: " | argv[0] |
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51 | | " [ processors (> 0) | 'd' (default " | Processors |
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52 | | ") ] [ channel size (>= 0) | 'd' (default " | Tasks |
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53 | | ") ]" ; |
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54 | exit( EXIT_FAILURE ); |
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55 | } // switch |
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56 | processor proc[Processors - 1]; |
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57 | |
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58 | sout | "start"; |
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59 | Channel chainChan{ 1 }; |
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60 | |
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61 | insert( chainChan, 0 ); |
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62 | |
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63 | chain = &chainChan; |
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64 | { |
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65 | Task t[Tasks]; |
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66 | sleep(10`s); |
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67 | close( chainChan ); |
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68 | } |
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69 | |
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70 | // sout | total_operations; |
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71 | sout | "done"; |
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72 | |
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73 | return 0; |
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74 | } |
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