Last change
on this file since b6a71bc 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 | //--------------------------------------------------------- |
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2 | // Barging test |
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3 | // Ensures the statement order is reverse when using waitfor ^?{} |
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4 | //--------------------------------------------------------- |
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5 | |
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6 | #include <fstream.hfa> |
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7 | #include <kernel.hfa> |
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8 | #include <monitor.hfa> |
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9 | #include <stdlib.hfa> |
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10 | #include <thread.hfa> |
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11 | |
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12 | #include <stdbool.h> |
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13 | |
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14 | static const unsigned long N = 5_000ul; |
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15 | |
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16 | enum state_t { |
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17 | CTOR, |
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18 | MAIN, |
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19 | AFTER, |
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20 | END, |
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21 | DTOR |
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22 | }; |
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23 | |
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24 | thread dummy_t { |
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25 | state_t state; |
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26 | }; |
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27 | |
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28 | static inline void set_state( dummy_t & this, state_t state) { |
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29 | switch(state) { |
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30 | case CTOR : break; |
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31 | case MAIN : if( this.state != CTOR ) { serr | "ERROR Expected state to be CTOR" ; abort(); } this.state = state; break; |
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32 | case AFTER : if( this.state != MAIN ) { serr | "ERROR Expected state to be MAIN" ; abort(); } this.state = state; break; |
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33 | case END : if( this.state != AFTER ) { serr | "ERROR Expected state to be AFTER"; abort(); } this.state = state; break; |
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34 | case DTOR : if( this.state != END ) { serr | "ERROR Expected state to be END" ; abort(); } this.state = state; break; |
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35 | } |
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36 | } |
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37 | |
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38 | void ^?{}( dummy_t & mutex this ) { |
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39 | set_state( this, DTOR ); |
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40 | } |
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41 | |
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42 | void ?{}( dummy_t & this ) { |
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43 | this.state = CTOR; |
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44 | } |
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45 | |
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46 | void main( dummy_t & this ) { |
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47 | yield(random( 10 )); |
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48 | set_state( this, MAIN ); |
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49 | waitfor( ^?{} : this ) { |
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50 | set_state( this, AFTER ); |
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51 | } |
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52 | set_state( this, END ); |
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53 | } |
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54 | |
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55 | int main() { |
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56 | sout | "Starting"; |
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57 | processor p; |
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58 | for( int i = 0; i < N; i++ ){ |
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59 | dummy_t dummy[4]; |
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60 | yield( random( 100 ) ); |
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61 | } |
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62 | sout | "Stopping"; |
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63 | } |
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