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StructMsghdr
public
final
class
StructMsghdr
extends Object
Corresponds to C's struct msghdr
Summary
Inherited methods |
|---|
From class
java.lang.Object
Object
|
clone()
Creates and returns a copy of this object.
|
boolean
|
equals(Object obj)
Indicates whether some other object is "equal to" this one.
|
void
|
finalize()
Called by the garbage collector on an object when garbage collection
determines that there are no more references to the object.
|
final
Class<?>
|
getClass()
Returns the runtime class of this Object.
|
int
|
hashCode()
Returns a hash code value for the object.
|
final
void
|
notify()
Wakes up a single thread that is waiting on this object's
monitor.
|
final
void
|
notifyAll()
Wakes up all threads that are waiting on this object's monitor.
|
String
|
toString()
Returns a string representation of the object.
|
final
void
|
wait(long timeoutMillis, int nanos)
Causes the current thread to wait until it is awakened, typically
by being notified or interrupted, or until a
certain amount of real time has elapsed.
|
final
void
|
wait(long timeoutMillis)
Causes the current thread to wait until it is awakened, typically
by being notified or interrupted, or until a
certain amount of real time has elapsed.
|
final
void
|
wait()
Causes the current thread to wait until it is awakened, typically
by being notified or interrupted.
|
|
Fields
msg_flags
public int msg_flags
Flags on received message.
msg_iov
public final ByteBuffer[] msg_iov
Scatter/gather array
msg_name
public SocketAddress msg_name
Optional address.
Sendmsg: Caller must populate to specify the target address for a datagram, or pass
null to send to the destination of an already-connected socket.
Recvmsg: Populated by the system to specify the source address.
Public constructors
StructMsghdr
public StructMsghdr (SocketAddress msg_name,
ByteBuffer[] msg_iov,
StructCmsghdr[] msg_control,
int msg_flags)
Constructs an instance with the given field values
| Parameters |
|---|
msg_name |
SocketAddress: This value may be null. |
msg_iov |
ByteBuffer: This value cannot be null. |
msg_control |
StructCmsghdr: This value may be null. |
msg_flags |
int |
Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
Last updated 2025-02-10 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[],null,["# StructMsghdr\n\nAdded in [API level 31](/guide/topics/manifest/uses-sdk-element#ApiLevels) \nSummary: [Fields](#lfields) \\| [Ctors](#pubctors) \\| [Inherited Methods](#inhmethods) \n\nStructMsghdr\n============\n\n*** ** * ** ***\n\n[Kotlin](/reference/kotlin/android/system/StructMsghdr \"View this page in Kotlin\") \\|Java\n\n\n`\npublic\n\nfinal\n\nclass\nStructMsghdr\n`\n\n\n`\n\nextends `[Object](/reference/java/lang/Object)`\n\n\n`\n\n`\n\n\n`\n\n|---|-----------------------------|\n| [java.lang.Object](/reference/java/lang/Object) ||\n| ↳ | android.system.StructMsghdr |\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nCorresponds to C's `struct msghdr`\n\nSummary\n-------\n\n| ### Fields ||\n|----------------------------------------------------------------------|------------------------------------------------------------------------------------------|\n| ` public `[StructCmsghdr[]](/reference/android/system/StructCmsghdr) | [msg_control](/reference/android/system/StructMsghdr#msg_control) Ancillary data |\n| ` public int` | [msg_flags](/reference/android/system/StructMsghdr#msg_flags) Flags on received message. |\n| ` public final `[ByteBuffer[]](/reference/java/nio/ByteBuffer) | [msg_iov](/reference/android/system/StructMsghdr#msg_iov) Scatter/gather array |\n| ` public `[SocketAddress](/reference/java/net/SocketAddress) | [msg_name](/reference/android/system/StructMsghdr#msg_name) Optional address. |\n\n| ### Public constructors ||\n|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|\n| ` `[StructMsghdr](/reference/android/system/StructMsghdr#StructMsghdr(java.net.SocketAddress,%20java.nio.ByteBuffer[],%20android.system.StructCmsghdr[],%20int))`(`[SocketAddress](/reference/java/net/SocketAddress)` msg_name, `[ByteBuffer[]](/reference/java/nio/ByteBuffer)` msg_iov, `[StructCmsghdr[]](/reference/android/system/StructCmsghdr)` msg_control, int msg_flags) ` Constructs an instance with the given field values |\n\n| ### Inherited methods |\n|-----------------------|---|\n| From class ` `[java.lang.Object](/reference/java/lang/Object)` ` |---------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` `[Object](/reference/java/lang/Object) | ` `[clone](/reference/java/lang/Object#clone())`() ` Creates and returns a copy of this object. | | ` boolean` | ` `[equals](/reference/java/lang/Object#equals(java.lang.Object))`(`[Object](/reference/java/lang/Object)` obj) ` Indicates whether some other object is \"equal to\" this one. | | ` void` | ` `[finalize](/reference/java/lang/Object#finalize())`() ` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. | | ` final `[Class](/reference/java/lang/Class)`\u003c?\u003e` | ` `[getClass](/reference/java/lang/Object#getClass())`() ` Returns the runtime class of this `Object`. | | ` int` | ` `[hashCode](/reference/java/lang/Object#hashCode())`() ` Returns a hash code value for the object. | | ` final void` | ` `[notify](/reference/java/lang/Object#notify())`() ` Wakes up a single thread that is waiting on this object's monitor. | | ` final void` | ` `[notifyAll](/reference/java/lang/Object#notifyAll())`() ` Wakes up all threads that are waiting on this object's monitor. | | ` `[String](/reference/java/lang/String) | ` `[toString](/reference/java/lang/Object#toString())`() ` Returns a string representation of the object. | | ` final void` | ` `[wait](/reference/java/lang/Object#wait(long,%20int))`(long timeoutMillis, int nanos) ` Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*, or until a certain amount of real time has elapsed. | | ` final void` | ` `[wait](/reference/java/lang/Object#wait(long))`(long timeoutMillis) ` Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*, or until a certain amount of real time has elapsed. | | ` final void` | ` `[wait](/reference/java/lang/Object#wait())`() ` Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*. | ||\n\nFields\n------\n\n### msg_control\n\nAdded in [API level 31](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic StructCmsghdr[] msg_control\n```\n\nAncillary data\n\n\u003cbr /\u003e\n\n### msg_flags\n\nAdded in [API level 31](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic int msg_flags\n```\n\nFlags on received message.\n\n\u003cbr /\u003e\n\n### msg_iov\n\nAdded in [API level 31](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic final ByteBuffer[] msg_iov\n```\n\nScatter/gather array\n\n\u003cbr /\u003e\n\n### msg_name\n\nAdded in [API level 31](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic SocketAddress msg_name\n```\n\nOptional address.\n\nSendmsg: Caller must populate to specify the target address for a datagram, or pass\n`null` to send to the destination of an already-connected socket.\nRecvmsg: Populated by the system to specify the source address.\n\n\u003cbr /\u003e\n\nPublic constructors\n-------------------\n\n### StructMsghdr\n\nAdded in [API level 31](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic StructMsghdr (SocketAddress msg_name, \n ByteBuffer[] msg_iov, \n StructCmsghdr[] msg_control, \n int msg_flags)\n```\n\nConstructs an instance with the given field values\n\n\u003cbr /\u003e\n\n| Parameters ||\n|---------------|---------------------------------------------------|\n| `msg_name` | `SocketAddress`: This value may be `null`. \u003cbr /\u003e |\n| `msg_iov` | `ByteBuffer`: This value cannot be `null`. \u003cbr /\u003e |\n| `msg_control` | `StructCmsghdr`: This value may be `null`. \u003cbr /\u003e |\n| `msg_flags` | `int` \u003cbr /\u003e |"]]
