48 lines
1.6 KiB
Nim
48 lines
1.6 KiB
Nim
# Copyright (c) 2020-2022 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license: http://opensource.org/licenses/MIT
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# * Apache License, Version 2.0: http://www.apache.org/licenses/LICENSE-2.0
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import std/[os, strutils]
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import ../stew/io2, ../stew/results
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proc lockFileFlags(path: string, flags: set[OpenFlags],
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lockType: LockType): IoResult[void] =
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let handle = ? openFile(path, flags)
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let info = ? lockFile(handle, lockType)
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? unlockFile(info)
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? closeFile(handle)
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ok()
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when isMainModule:
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if paramCount() != 1:
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echo "Not enough parameters"
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else:
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const TestFlags = [
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({OpenFlags.Read}, LockType.Shared),
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({OpenFlags.Write}, LockType.Exclusive),
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({OpenFlags.Read, OpenFlags.Write}, LockType.Shared),
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({OpenFlags.Read, OpenFlags.Write}, LockType.Exclusive),
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({OpenFlags.Read, OpenFlags.ShareRead}, LockType.Shared),
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({OpenFlags.Write, OpenFlags.ShareWrite}, LockType.Exclusive),
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({OpenFlags.Read, OpenFlags.Write,
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OpenFlags.ShareRead, OpenFlags.ShareWrite}, LockType.Shared),
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({OpenFlags.Read, OpenFlags.Write,
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OpenFlags.ShareRead, OpenFlags.ShareWrite}, LockType.Exclusive),
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]
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let pathName = paramStr(1)
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let response =
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block:
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var res: seq[string]
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for test in TestFlags:
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let
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lres = lockFileFlags(pathName, test[0], test[1])
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data = if lres.isOk(): "OK" else: "E" & $int(lres.error())
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res.add(data)
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res.join(":")
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echo response
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