Converse of object

• set: This prevents an aborted process from leaving a semaphore set in an inconsistent state.

• use: Note that this program does not use threads; it is just using the lightweight semaphores available from the threads library.

• replace: Under British Railways, color aspect lights replaced semaphores at the London end of the platforms, such occurring on 16th May 1954.

• have: We have as yet no Semaphores on our coasts.

• initialize: Multiple threads must not initialize the same semaphore simultaneously.

• operate: The majority of the signaling will be pneumatically operated semaphores.

Adjective modifier

• binary: For synchronization, simple locks ( a.k.a. mutexes or binary semaphores ) are provided.

• single: A POSIX semaphore structure defines a single semaphore, not an array of up to twenty five semaphores.

Modifies a noun

• signal: Upper Quadrant Signal A semaphore signal in which the arm was raised to indicate ' off ' or ' clear ' .

• flag: If you don't have any proper semaphore flags, then you could make some.

• arm: This view of Canterbury East signal box from the 1970s reveals both semaphore signal arms still in use.

• indicator: Later Minors also have larger front indicators instead of the semaphore indicators fitted to the B pillar of the 1950s Morris cars.

• operation: This function takes a pointer, sops, to an array of semaphore operation structures.

• set: The calling process must have alter access privileges on the semaphore set.

Noun used with modifier

• semnum: GETVAL The system call returns the value of semval for the semnum -th semaphore of the set.

• -th: GETVAL The system call returns the value of semval for the semnum -th semaphore of the set.

• V: It means your kernel's limit on the number of System V semaphores is smaller than the number PostgreSQL wants to create.

Present participle complement

• signal: The delightful Severn Valley from MOAT LANE through NEWTOWN and WELSHPOOL to SHREWSBURY where semaphore signaling abounds.

Preposition: in

• set: I suggest experimenting with this mechanism, with more complex programs where you deal with more than just one semaphore in the set.

• process: Undo entries are cleared for altered semaphores in all processes.