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PdUnlockOffscreen()

Unlock an offscreen context

Synopsis:

int PdUnlockOffscreen( PdOffscreenContext_t *osc );

Arguments:

osc

A pointer to the offscreen context, as returned by PdCreateOffscreenContext(), that you want to unlock.

Library:

ph

Description:

This function unlocks the offscreen context, osc. You can lock the offscreen context by calling PdLockOffscreen() after calling PdCreateOffscreenLock() to create the lock.

Returns:

EOK

The offscreen context was successfully unlocked.

Pg_OSC_ALREADY_UNLOCKED

The context wasn't locked to begin with (i.e. the semaphore count wasn't increased).

Pg_OSC_LOCK_INVALID

The lock is invalid.

Pg_OSC_NOT_LOCKED

The context wasn't locked.

Classification:

Photon

Safety:
Interrupt handler	No
Signal handler	No
Thread	No

See also:

PdCreateOffscreenLock(), PdDestroyOffscreenLock(), PdGetOffscreenContextPtr(), PdIsOffscreenLocked(), PdLockOffscreen()

"Offscreen locks" in the Raw Drawing and Animation chapter of the Photon Programmer's Guide

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