Language

Os.Poll(StructPollfd[], Int32) Method

Definition

See poll(2).

[Android.Runtime.Register("poll", "([Landroid/system/StructPollfd;I)I", "")]
public static int Poll(Android.Systems.StructPollfd[]? fds, int timeoutMs);
[<Android.Runtime.Register("poll", "([Landroid/system/StructPollfd;I)I", "")>]
static member Poll : Android.Systems.StructPollfd[] * int -> int

Parameters

fds
StructPollfd[]

The descriptors and requested event masks. Their returned event masks are populated by the operation.

timeoutMs
Int32

The timeout in milliseconds: 0 checks immediately, and a negative value waits without a timeout.

Returns

The number of descriptors with reported events, or 0 if the timeout expires.

Attributes

Exceptions

Remarks

See poll(2).

Note that in Lollipop this could throw an ErrnoException with EINTR. In later releases, the implementation will automatically just restart the system call with an appropriately reduced timeout.

Java documentation for android.system.Os.poll(android.system.StructPollfd[], int).

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to