shard (version 0.1.0)

buffer_open: Open an Existing Buffer

Description

Opens a shared memory buffer that was created in another process. Used by workers to attach to the parent's output buffer.

Usage

buffer_open(path, type, dim, backing = c("mmap", "shm"), readonly = FALSE)

Value

A shard_buffer object attached to the existing segment.

Arguments

path

Path or shm name of the buffer's segment.

type

Character. Data type of the buffer.

dim

Integer vector. Dimensions of the buffer.

backing

Backing type: "mmap" or "shm".

readonly

Logical. Open as read-only? Default FALSE for workers.

Examples

# \donttest{
buf <- buffer("double", dim = 10)
path <- buffer_path(buf)
buf2 <- buffer_open(path, type = "double", dim = 10, backing = "mmap")
buffer_close(buf2, unlink = FALSE)
buffer_close(buf)
# }