Arjun Suresh (talk | contribs) (Created page with " //Dining philosopher using threads #include<stdio.h> #include<pthread.h> void* reader(void*); pthread_mutex_t mut[5]; int n; int main() { pthread_t t1[5]; int i,j=0,k; ...") |
Arjun Suresh (talk | contribs) |
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//Dining philosopher using threads | //Dining philosopher using threads | ||
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printf("%d Finished Eating\n",val+1); | printf("%d Finished Eating\n",val+1); | ||
} | } | ||
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[[Operating System Codes]] | [[Operating System Codes]] |
<syntaxhighlight lang="c"> //Dining philosopher using threads
void* reader(void*); pthread_mutex_t mut[5]; int n; int main() {
pthread_t t1[5]; int i,j=0,k; n = 5; for(i=0;i<n;i++) { j=i; pthread_create(&t1[i],NULL,reader,&j); } for(j=0;j<n;j++) pthread_join(t1[j],NULL); return 1;
} void *reader(void* arg) {
int val=*(int*)arg; printf("%d Thinking\n",val+1); pthread_mutex_lock(&mut[val%n]); pthread_mutex_lock(&mut[(val+1)%n]); printf("%d Eating\n",val+1); sleep(3); pthread_mutex_unlock(&mut[val%n]); pthread_mutex_unlock(&mut[(val+1)%n]); printf("%d Finished Eating\n",val+1);
} </syntaxhighlight>
<syntaxhighlight lang="c"> //Dining philosopher using threads
void* reader(void*); pthread_mutex_t mut[5]; int n; int main() {
pthread_t t1[5]; int i,j=0,k; n = 5; for(i=0;i<n;i++) { j=i; pthread_create(&t1[i],NULL,reader,&j); } for(j=0;j<n;j++) pthread_join(t1[j],NULL); return 1;
} void *reader(void* arg) {
int val=*(int*)arg; printf("%d Thinking\n",val+1); pthread_mutex_lock(&mut[val%n]); pthread_mutex_lock(&mut[(val+1)%n]); printf("%d Eating\n",val+1); sleep(3); pthread_mutex_unlock(&mut[val%n]); pthread_mutex_unlock(&mut[(val+1)%n]); printf("%d Finished Eating\n",val+1);
} </syntaxhighlight>