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Answer Posted / thangavelu t
semaphore is integer variable that used to achieve mutual
exclusion.
it always indicates no of resource instances available.
programming example:
code
{
acquire(s);
critical region;
release(s);
}
acquire(semaphore s)
{
while(s==0);
s--;
}
release(semaphore s)
{
s++;
}
init(semaphore s,int instances)
{
s=instances;//initializes to no of resources instances
}
| Is This Answer Correct ? | 7 Yes | 3 No |
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