SyncFenceCompat
@ExperimentalApi
class SyncFenceCompat : AutoCloseable
A helper class that allows duplicating a SyncFence, and wrapping a fence file descriptor on earlier API levels.
Summary
Public functions |
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|---|---|
java-static SyncFenceCompat! |
adoptFenceFileDescriptor(fileDescriptor: Int)Take ownership of a raw native fence file descriptor into a new SyncFenceCompat. |
Boolean |
Waits for the fence to signal. |
Unit |
close() |
java-static SyncFenceCompat! |
@RequiresApi(value = 33)Creates an instance that duplicates a |
Public functions
adoptFenceFileDescriptor
java-static fun adoptFenceFileDescriptor(fileDescriptor: Int): SyncFenceCompat!
Take ownership of a raw native fence file descriptor into a new SyncFenceCompat.
The returned instance now owns the given file descriptor, and will be responsible for closing it.
Graphics APIs such as Vulkan are a common source of a native fence file descriptors.
| Parameters | |
|---|---|
fileDescriptor: Int |
The raw native fence file descriptor. |
await
fun await(timeoutMs: Int): Boolean
Waits for the fence to signal.
| Parameters | |
|---|---|
timeoutMs: Int |
The timeout in milliseconds. A negative value means infinite timeout. |
| Returns | |
|---|---|
Boolean |
Whether the fence signaled within the timeout. |
| Throws | |
|---|---|
android.system.ErrnoException |
If an error occurs while polling the fence. See the Linux manual pages for the poll system call. |
duplicate
@RequiresApi(value = 33)
java-static fun duplicate(syncFence: SyncFence!): SyncFenceCompat!
Creates an instance that duplicates a SyncFence. Both fences must be closed independently.