[a167c70c] | 1 | #include <fstream.hfa>
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| 2 | #include <kernel.hfa>
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| 3 | #include <thread.hfa>
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| 4 |
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| 5 | #include <stdatomic.h>
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| 6 | #include <assert.h>
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| 7 |
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| 8 | struct cluster_wrapper {
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| 9 | cluster self;
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| 10 | const uint64_t canary;
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| 11 | struct {
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| 12 | volatile uint64_t want;
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| 13 | volatile uint64_t have;
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| 14 | } checksum;
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| 15 | };
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| 16 |
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| 17 | void ?{}( cluster_wrapper & this ) {
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| 18 | (this.self){};
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| 19 | (*(uint64_t *)&this.canary) = 0xDEAD2BADDEAD2BAD;
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| 20 | this.checksum.want = 0;
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| 21 | this.checksum.have = 0;
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| 22 | }
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| 23 |
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| 24 | void ^?{}( cluster_wrapper & this ) {
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| 25 | assert(this.canary == 0xDEAD2BADDEAD2BAD);
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| 26 | }
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| 27 |
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| 28 | static cluster_wrapper * the_clusters;
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| 29 | static unsigned cluster_cnt;
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| 30 |
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| 31 | thread MyThread {
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| 32 |
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| 33 | };
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| 34 |
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| 35 | void ?{}( MyThread & this ) {}
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| 36 |
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| 37 | void checkcl( MyThread & this, cluster * cl) {
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| 38 | if(((thread&)this).curr_cluster != cl) {
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| 39 | abort | "Thread has unexpected cluster";
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| 40 | }
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| 41 | }
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| 42 |
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| 43 | void main( MyThread & this ) {
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| 44 | waitfor( migrate : this ) {
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| 45 | assert( ((thread&)this).curr_cluster == active_cluster() );
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| 46 | assert( ((thread&)this).curr_cluster == active_processor()->cltr );
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| 47 | }
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| 48 |
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| 49 | struct cluster_wrapper * curr = (struct cluster_wrapper *)&the_clusters[0];
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| 50 |
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| 51 | for(100) {
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| 52 | unsigned idx = prng( this, cluster_cnt );
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| 53 |
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| 54 | struct cluster_wrapper * next = &the_clusters[ idx ];
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| 55 | assert(next->canary == 0xDEAD2BADDEAD2BAD);
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| 56 |
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| 57 | // next->
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| 58 |
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| 59 | migrate( this, next->self );
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| 60 |
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| 61 | assert( active_cluster() == &next->self );
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| 62 | assert( ((thread&)this).curr_cluster == active_cluster() );
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| 63 | assert( ((thread&)this).curr_cluster == active_processor()->cltr );
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| 64 | }
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| 65 | }
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| 66 |
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| 67 | int main() {
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| 68 | cluster_cnt = 3;
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| 69 | cluster_wrapper cl[cluster_cnt];
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| 70 | the_clusters = cl;
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| 71 |
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| 72 | {
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| 73 | set_concurrency( cl[0].self, 2 );
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| 74 | set_concurrency( cl[1].self, 2 );
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| 75 | set_concurrency( cl[2].self, 1 );
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| 76 |
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| 77 | MyThread threads[17];
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| 78 | for(i;17) {
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| 79 | migrate( threads[i], cl[0].self );
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| 80 | }
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| 81 |
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| 82 | }
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| 83 | // non-empty .expect file
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| 84 | printf( "done\n" );
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| 85 | }
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