mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-04 22:20:53 +01:00
1e7b32490d
This allows for building GoToSocial with [SQLite transpiled to WASM](https://github.com/ncruces/go-sqlite3) and accessed through [Wazero](https://wazero.io/).
34 lines
848 B
Go
34 lines
848 B
Go
//go:build (freebsd || openbsd || netbsd || dragonfly || illumos || sqlite3_flock) && !sqlite3_nosys
|
|
|
|
package vfs
|
|
|
|
import (
|
|
"os"
|
|
"time"
|
|
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
func osUnlock(file *os.File, start, len int64) _ErrorCode {
|
|
if start == 0 && len == 0 {
|
|
err := unix.Flock(int(file.Fd()), unix.LOCK_UN)
|
|
if err != nil {
|
|
return _IOERR_UNLOCK
|
|
}
|
|
}
|
|
return _OK
|
|
}
|
|
|
|
func osLock(file *os.File, how int, def _ErrorCode) _ErrorCode {
|
|
err := unix.Flock(int(file.Fd()), how)
|
|
return osLockErrorCode(err, def)
|
|
}
|
|
|
|
func osReadLock(file *os.File, _ /*start*/, _ /*len*/ int64, _ /*timeout*/ time.Duration) _ErrorCode {
|
|
return osLock(file, unix.LOCK_SH|unix.LOCK_NB, _IOERR_RDLOCK)
|
|
}
|
|
|
|
func osWriteLock(file *os.File, _ /*start*/, _ /*len*/ int64, _ /*timeout*/ time.Duration) _ErrorCode {
|
|
return osLock(file, unix.LOCK_EX|unix.LOCK_NB, _IOERR_LOCK)
|
|
}
|