Recent questions tagged semaphore

Consider the following threads, $\text{T}_{1}, \text{T}_{2},$ and $\text{T}_{3}$ executing on a single processor, synchronized using three binary semaphore variables, $\t...

Consider the following pseudocode, where $\textsf{S}$ is a semaphore initialized to $5$ in line $\#2$ and $\textsf{counter}$ is a shared variable initialized to $0$ in li...

There are three processes $P_{1}, P_{2}$ and $P_{3}$ sharing a semaphore for synchronizing a variable. Initial value of semaphore is one. Assume that negative value of se...

Each of a set of $n$ processes executes the following code using two semaphores $a$ and $b$ initialized to $1$ and $0$, respectively. Assume that $\text{count}$ is a shar...