| [5717495] | 1 | #include <sys/queue.h> | 
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|  | 2 | #include <stdio.h> | 
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|  | 3 |  | 
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|  | 4 |  | 
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|  | 5 |  | 
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|  | 6 | int main() { | 
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|  | 7 |  | 
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|  | 8 |  | 
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|  | 9 |  | 
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|  | 10 |  | 
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|  | 11 |  | 
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|  | 12 |  | 
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|  | 13 |  | 
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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 |  | 
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|  | 19 |  | 
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|  | 20 | struct req { | 
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|  | 21 | int pri, rqr; | 
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|  | 22 | LIST_ENTRY(req) by_pri; | 
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|  | 23 | LIST_ENTRY(req) by_rqr; | 
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|  | 24 | }; | 
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|  | 25 |  | 
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|  | 26 | LIST_HEAD(reql, req); | 
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|  | 27 |  | 
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|  | 28 | struct reql reqs_pri_global; | 
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|  | 29 | struct reql reqs_rqr_42; | 
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|  | 30 | struct reql reqs_rqr_17; | 
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|  | 31 | struct reql reqs_rqr_99; | 
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|  | 32 |  | 
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|  | 33 | LIST_INIT(&reqs_pri_global); | 
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|  | 34 | LIST_INIT(&reqs_rqr_42); | 
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|  | 35 | LIST_INIT(&reqs_rqr_17); | 
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|  | 36 | LIST_INIT(&reqs_rqr_99); | 
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|  | 37 |  | 
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|  | 38 | struct req | 
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|  | 39 | r42a = {1, 42}, | 
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|  | 40 | r42b = {2, 42}, | 
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|  | 41 | r17a = {2, 17}, | 
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|  | 42 | r17b = {3, 17}, | 
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|  | 43 | r17c = {4, 17}, | 
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|  | 44 | r99a = {3, 99}; | 
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|  | 45 |  | 
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|  | 46 | LIST_INSERT_HEAD(&reqs_pri_global, &r17c, by_pri); | 
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|  | 47 | LIST_INSERT_HEAD(&reqs_pri_global, &r99a, by_pri); | 
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|  | 48 | LIST_INSERT_HEAD(&reqs_pri_global, &r17b, by_pri); | 
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|  | 49 | LIST_INSERT_HEAD(&reqs_pri_global, &r42b, by_pri); | 
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|  | 50 | LIST_INSERT_HEAD(&reqs_pri_global, &r17a, by_pri); | 
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|  | 51 | LIST_INSERT_HEAD(&reqs_pri_global, &r42a, by_pri); | 
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|  | 52 |  | 
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|  | 53 | LIST_INSERT_HEAD(&reqs_rqr_42, &r42b, by_rqr); | 
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|  | 54 | LIST_INSERT_HEAD(&reqs_rqr_42, &r42a, by_rqr); | 
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|  | 55 |  | 
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|  | 56 | LIST_INSERT_HEAD(&reqs_rqr_17, &r17c, by_rqr); | 
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|  | 57 | LIST_INSERT_HEAD(&reqs_rqr_17, &r17b, by_rqr); | 
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|  | 58 | LIST_INSERT_HEAD(&reqs_rqr_17, &r17a, by_rqr); | 
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|  | 59 |  | 
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|  | 60 | LIST_INSERT_HEAD(&reqs_rqr_99, &r99a, by_rqr); | 
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|  | 61 |  | 
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|  | 62 |  | 
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|  | 63 |  | 
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|  | 64 |  | 
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|  | 65 |  | 
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|  | 66 |  | 
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|  | 67 |  | 
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|  | 68 | struct req *cur; | 
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|  | 69 | LIST_FOREACH(cur, &reqs_pri_global, by_pri) | 
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|  | 70 | printf("{%d %d} ", cur->pri, cur->rqr); | 
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|  | 71 | printf("| "); | 
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|  | 72 | LIST_FOREACH(cur, &reqs_rqr_42, by_rqr) | 
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|  | 73 | printf("{%d %d} ", cur->pri, cur->rqr); | 
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|  | 74 | printf("| "); | 
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|  | 75 | LIST_FOREACH(cur, &reqs_rqr_17, by_rqr) | 
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|  | 76 | printf("{%d %d} ", cur->pri, cur->rqr); | 
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|  | 77 | printf("| "); | 
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|  | 78 | LIST_FOREACH(cur, &reqs_rqr_99, by_rqr) | 
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|  | 79 | printf("{%d %d} ", cur->pri, cur->rqr); | 
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|  | 80 | printf("\n"); | 
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|  | 81 |  | 
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|  | 82 | } | 
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