main
test-branch
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Last change
on this file since bb03188 was ea777aa, checked in by Alex Wilton <awilton@…>, 3 years ago |
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Moved examples, include, build_default.properties, common.xml, and README out from dev.civl.com into the root of the repo.
git-svn-id: svn://vsl.cis.udel.edu/civl/trunk@5704 fb995dde-84ed-4084-dfe6-e5aef3e2452c
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Property mode
set to
100644
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File size:
756 bytes
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| 1 | #include <omp.h>
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| 2 | #include <stdio.h>
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| 3 |
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| 4 | int B=2;
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| 5 | int n=2;
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| 6 | int forks[2];
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| 7 | static omp_lock_t lock[2];
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| 8 |
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| 9 | void dine(int id){
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| 10 | int left = id;
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| 11 | int right = (id + 1) % n;
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| 12 | while(1){
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| 13 | omp_set_lock(&(lock[left]));
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| 14 | if (forks[left]){
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| 15 | forks[left] = 0;
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| 16 | }
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| 17 | omp_set_lock(&(lock[right]));
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| 18 | if (forks[right]){
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| 19 | forks[right] = 0;
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| 20 | }
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| 21 | forks[right] = 1;
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| 22 | forks[left] = 1;
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| 23 | omp_unset_lock(&(lock[right]));
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| 24 | omp_unset_lock(&(lock[left]));
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| 25 | }
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| 26 | }
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| 27 |
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| 28 | int main(){
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| 29 | omp_init_lock(&(lock[0]));
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| 30 | omp_init_lock(&(lock[1]));
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| 31 |
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| 32 | for(int j=0; j<n; j++)
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| 33 | forks[j] = 1;
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| 34 | #pragma omp parallel
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| 35 | {
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| 36 | #pragma omp for
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| 37 | for(int i=0; i<n; i++)
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| 38 | dine(i);
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| 39 | }
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| 40 | omp_destroy_lock(&(lock[1]));
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| 41 | omp_destroy_lock(&(lock[0]));
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| 42 | } |
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