PR_CreateIOLayerStub 编辑

Creates a new layer.

Syntax

#include <prio.h>

/wiki/en-US/docs/Mozilla/Projects/NSPR/Reference/PRFileDesc* PR_CreateIOLayerStub(
  /wiki/en-US/docs/Mozilla/Projects/NSPR/Reference/PRDescIdentity ident
  /wiki/en-US/docs/Mozilla/Projects/NSPR/Reference/PRIOMethods const *methods);

Parameters

The function has the following parameters:

ident

The identity to be associated with the new layer.

methods

A pointer to the /wiki/en-US/docs/Mozilla/Projects/NSPR/Reference/PRIOMethods structure specifying the functions for the new layer.

Returns

A new file descriptor for the specified layer.

Description

A new layer may be allocated by calling PR_CreateIOLayerStub. The file descriptor returned contains the pointer to the I/O methods table provided. The runtime neither modifies the table nor tests its correctness.

The caller should override appropriate contents of the file descriptor returned before pushing it onto the protocol stack.