vrb_give3
Create a new virtual ring buffer
Usage
#include <vrb.h>
vrb_p vrb_give(vrb_p vrb, size_t size);
Library
-lvrb
Overview
vrb_give specifies how much data has been placed into the empty portion of the virtual ring buffer by the caller.
The caller will have called vrb_empty_len(3) and vrb_empty_ptr(3) to get the length of empty space in the buffer and a pointer to it, and having placed some data into that space, starting from the pointer obtained and placing no more that the length obtained.
Arguments
vrb_p vrb
specifies which virtual ring buffer.
size_t size
specifies the length of data that has been placed into the virtual ring buffer empty space by the caller.
Return value
int
On success, 0 is returned. On error, -1 is returned.
Errors
If an error is returned, then errno will have one of the following values:
EINVAL
|
An invalid virtual ring buffer pointer was specified. |
|---|---|
ENOSPC
|
The specified length is greater than the empty space in the virtual ring buffer. |
Releases
Unchanged in 2 releases since Debian 6.0 (Squeeze).