ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change
on this file since a505021 was
b0c7419,
checked in by Thierry Delisle <tdelisle@…>, 5 years ago
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Yield now uses force_yield instead of park/unpark.
Final ctxswitch of a thread now uses ad-hoc mechanism instead of park/unpark.
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-
Property mode set to
100644
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File size:
778 bytes
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1 | #include <thread.hfa> |
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2 | #include <fstream.hfa> |
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3 | |
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4 | volatile int global = 0; |
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5 | |
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6 | thread Poller {}; |
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7 | void main(Poller & this) { |
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8 | while(true) { |
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9 | waitfor( ^?{} : this ) { |
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10 | break; |
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11 | } or else { |
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12 | global = (global + 1) % 10; |
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13 | yield(); |
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14 | } |
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15 | } |
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16 | } |
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17 | |
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18 | thread Waiter; |
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19 | thread Waiter {}; |
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20 | |
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21 | |
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22 | volatile int count = 0; |
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23 | |
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24 | void main(Waiter & this) { |
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25 | // Get a unique id |
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26 | int id = __atomic_fetch_add(&count, 1, __ATOMIC_SEQ_CST); |
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27 | |
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28 | for(int i = 0; i < 5; i++) { |
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29 | // Unpark this thread, don't force a yield |
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30 | sout | id | "Calling unpark" | i; |
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31 | unpark(this); |
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32 | |
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33 | // Force a preemption before the call to park |
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34 | int prev = global; |
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35 | while(prev == global) {} |
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36 | |
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37 | // Park this thread, |
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38 | sout | id | "Parking" | i; |
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39 | park(); |
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40 | sout | id | "Unparked" | i; |
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41 | } |
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42 | } |
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43 | |
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44 | int main() { |
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45 | Poller p; |
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46 | { |
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47 | Waiter waiters[5]; |
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48 | } |
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49 | } |
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