37 lines
691 B
Go
37 lines
691 B
Go
// License: GPLv3 Copyright: 2022, Kovid Goyal, <kovid at kovidgoyal.net>
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//go:build linux || netbsd
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package shm
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import (
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"fmt"
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"os"
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"path/filepath"
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)
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var _ = fmt.Print
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func create_temp(pattern string, size uint64) (MMap, error) {
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ans, err := os.CreateTemp(SHM_DIR, pattern)
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if err != nil {
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return nil, err
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}
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return file_mmap(ans, size, RDWR, true)
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}
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func Open(name string) (MMap, error) {
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if !filepath.IsAbs(name) {
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name = filepath.Join(SHM_DIR, name)
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}
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ans, err := os.OpenFile(name, os.O_RDONLY, 0)
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if err != nil {
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return nil, err
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}
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s, err := os.Stat(name)
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if err != nil {
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ans.Close()
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return nil, err
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}
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return file_mmap(ans, uint64(s.Size()), READ, false)
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}
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