segment_open: Open an existing shared memory segment

In shard: Deterministic, Zero-Copy Parallel Execution for R

Open an existing shared memory segment

Description

Open an existing shared memory segment

Usage

segment_open(path, backing = c("mmap", "shm"), readonly = TRUE)

Arguments

path	Path or shm name of the segment
backing	Backing type: "mmap" or "shm"
readonly	Open as read-only

Value

A shard_segment object attached to the existing segment.

Examples

seg <- segment_create(1024, backing = "mmap")
path <- segment_path(seg)
seg2 <- segment_open(path, backing = "mmap", readonly = TRUE)
segment_close(seg2, unlink = FALSE)
segment_close(seg)

shard documentation built on April 3, 2026, 9:08 a.m.