Wait

Purpose

Locks execution of the calling thread if the futex value is equal to the expected value.

Parameters

• [in] ptr – pointer to the variable containing the futex value.
• [in] val – expected value of the futex.
• [in] delay – maximum blocking duration (in milliseconds).
• [out] outDelay – actual blocking duration (in milliseconds).
• [out] rc – return code.

N/A

Wake

Purpose

Resumes execution of threads that are the first in the queue of threads that were locked by calls of the Wait method with the specified futex.

Parameters

• [in] ptr – pointer to the variable containing the futex value.
• [in] nThreads – maximum number of threads whose execution will be resumed.
• [out] wokenCnt – actual number of threads whose execution was resumed.
• [out] rc – return code.

N/A

PiWait

Purpose

Locks the calling thread.

Parameters

• [in] ptr – pointer to the variable containing the futex value.
• [in] delay – maximum blocking duration (in milliseconds).
• [out] rc – return code.

N/A

PiWake

Purpose

Resumes execution of a thread that is the first in the queue of threads that were locked by calls of the PiWait method with the specified futex.

Parameters

• [in] ptr – pointer to the variable containing the futex value.
• [out] rc – return code.

N/A