ADT
arm-eh
ast-experimental
enum
forall-pointer-decay
jacob/cs343-translation
new-ast
new-ast-unique-expr
pthread-emulation
qualifiedEnum
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Last change
on this file since 13099a8b was b2a37b0, checked in by Thierry Delisle <tdelisle@…>, 6 years ago |
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Initial drafts in C++ of the CFA scheduler
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-
Property mode
set to
100644
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File size:
627 bytes
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| 1 | #include <atomic>
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| 2 |
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| 3 | struct thread {};
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| 4 |
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| 5 | struct cluster {
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| 6 | void add();
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| 7 | void remove();
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| 8 | thread * next();
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| 9 | };
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| 10 |
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| 11 | struct processor {
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| 12 |
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| 13 | cluster cluster;
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| 14 | std::atomic<bool> stop;
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| 15 | volatile bool idle;
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| 16 | };
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| 17 |
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| 18 |
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| 19 | void run(thread * ) {
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| 20 | // verify preemption
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| 21 |
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| 22 | // run Thread
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| 23 |
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| 24 | // verify preemption
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| 25 |
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| 26 | // finish Running
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| 27 | }
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| 28 |
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| 29 | void main(processor & self) {
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| 30 |
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| 31 | self.cluster.add();
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| 32 |
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| 33 | while(!self.stop) {
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| 34 | if(thread * t = self.cluster.next()) {
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| 35 | run(t);
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| 36 | continue;
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| 37 | }
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| 38 |
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| 39 | self.set_idle();
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| 40 | std::atomic_thread_fence();
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| 41 |
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| 42 | if(thread * t = self.cluster.next()) {
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| 43 | self.idle = false;
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| 44 | run(t);
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| 45 | continue;
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| 46 | }
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| 47 |
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| 48 | halt();
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| 49 | }
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| 50 |
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| 51 | self.cluster.remove();
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| 52 |
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| 53 | }
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