ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change
on this file since 912cc7d7 was
e235429,
checked in by Thierry Delisle <tdelisle@…>, 4 years ago
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Removed last parker/unparker information is it was not particularly useful
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-
Property mode set to
100644
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File size:
1.1 KB
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Rev | Line | |
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[3381ed7] | 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 | |
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[b0c7419] | 20 | volatile int count = 0; |
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| 21 | |
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| 22 | void main(Waiter & this) { |
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| 23 | // Get a unique id |
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| 24 | int id = __atomic_fetch_add(&count, 1, __ATOMIC_SEQ_CST); |
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[a254fa56] | 25 | int id_hash = id | (id << 8) | (id << 16) | (id << 24); |
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| 26 | int mask = 0xCAFEBABA; |
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[50b8885] | 27 | |
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[3381ed7] | 28 | for(int i = 0; i < 5; i++) { |
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[a254fa56] | 29 | assert(mask == 0xCAFEBABA); |
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| 30 | |
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[3381ed7] | 31 | // Unpark this thread, don't force a yield |
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[e235429] | 32 | unpark( this ); |
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[a254fa56] | 33 | assert(mask == 0xCAFEBABA); |
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| 34 | |
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| 35 | // Hash the mask to make sure no one else messes with them |
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| 36 | mask ^= id_hash; |
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| 37 | assert(mask == (id_hash ^ 0xCAFEBABA)); |
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[3381ed7] | 38 | |
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| 39 | // Force a preemption before the call to park |
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| 40 | int prev = global; |
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| 41 | while(prev == global) {} |
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| 42 | |
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| 43 | // Park this thread, |
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[a254fa56] | 44 | assert(mask == (id_hash ^ 0xCAFEBABA)); |
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[e235429] | 45 | park(); |
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[a254fa56] | 46 | assert(mask == (id_hash ^ 0xCAFEBABA)); |
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| 47 | |
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| 48 | // Reset the hash and recheck it |
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| 49 | mask ^= id_hash; |
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| 50 | assert(mask == 0xCAFEBABA); |
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[3381ed7] | 51 | } |
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| 52 | } |
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| 53 | |
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| 54 | int main() { |
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| 55 | Poller p; |
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| 56 | { |
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| 57 | Waiter waiters[5]; |
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| 58 | } |
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[66812dd] | 59 | printf( "done\n" ); // non-empty .expect file |
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| 60 | } |
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