Semaphore

Meaning

A variable or abstract data type used to control access to a common resource in concurrent programming.

Usage Examples

• Semaphores are used to manage resource sharing in multi-threaded applications.
• Binary semaphores can only be in one of two states: locked or unlocked.
• Counting semaphores allow a certain number of threads to access a resource simultaneously.
• Semaphores help prevent race conditions and ensure data consistency.