Synchronization endpoint

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Methods of KasperskyOS core endpoints

Synchronization endpoint

August 2, 2023

ID kernel_methods_sync

This endpoint is intended for working with futexes.

Information about methods of the endpoint is provided in the table below.

Methods of the sync.Sync endpoint (kl.core.Sync interface)

Method	Method purpose and parameters	Potential danger of the method
`Wait`	Purpose Locks execution of the current thread if the futex value is equal to the expected value. Parameters [in] `ptr` – pointer to the futex. [in] `val` – expected value of the futex. [in] `delay` – maximum lockout duration in milliseconds. [out] `outDelay` – actual lockout duration in milliseconds. [out] `rc` – return code.	N/A
`Wake`	Purpose Resumes execution of threads that were blocked by a `Wait` method call with the defined futex. Parameters [in] `ptr` – pointer to the futex. [in] `nThreads` – maximum number of threads whose execution can be resumed. [out] `wokenCnt` – actual number of threads whose execution was resumed. [out] `rc` – return code.	N/A

Method

Method purpose and parameters

Potential danger of the method

Wait

Purpose

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

Parameters

N/A

Wake

Purpose

Resumes execution of threads that were blocked by a Wait method call with the defined futex.

Parameters

N/A

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