package syscallcompat import ( "log" "syscall" "golang.org/x/sys/unix" "github.com/hanwen/go-fuse/fuse" ) const ( // O_DIRECT means oncached I/O on Linux. No direct equivalent on MacOS and defined // to zero there. O_DIRECT = 0 // O_PATH is only defined on Linux O_PATH = 0 ) // Sorry, fallocate is not available on OSX at all and // fcntl F_PREALLOCATE is not accessible from Go. // See https://github.com/rfjakob/gocryptfs/issues/18 if you want to help. func EnospcPrealloc(fd int, off int64, len int64) error { return nil } // See above. func Fallocate(fd int, mode uint32, off int64, len int64) error { return syscall.EOPNOTSUPP } // Dup3 is not available on Darwin, so we use Dup2 instead. func Dup3(oldfd int, newfd int, flags int) (err error) { if flags != 0 { log.Panic("darwin does not support dup3 flags") } return syscall.Dup2(oldfd, newfd) } //////////////////////////////////////////////////////// //// Emulated Syscalls (see emulate.go) //////////////// //////////////////////////////////////////////////////// func Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error) { return emulateOpenat(dirfd, path, flags, mode) } func OpenatUser(dirfd int, path string, flags int, mode uint32, context *fuse.Context) (fd int, err error) { // FIXME: take into account context.Owner return Openat(dirfd, path, flags, mode) } func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) { return emulateRenameat(olddirfd, oldpath, newdirfd, newpath) } func Unlinkat(dirfd int, path string, flags int) (err error) { return emulateUnlinkat(dirfd, path, flags) } func Mknodat(dirfd int, path string, mode uint32, dev int) (err error) { return emulateMknodat(dirfd, path, mode, dev) } func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { return emulateFchmodat(dirfd, path, mode, flags) } func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) { return emulateFchownat(dirfd, path, uid, gid, flags) } func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) { return emulateSymlinkat(oldpath, newdirfd, newpath) } func Mkdirat(dirfd int, path string, mode uint32) (err error) { return emulateMkdirat(dirfd, path, mode) } func MkdiratUser(dirfd int, path string, mode uint32, context *fuse.Context) (err error) { // FIXME: take into account context.Owner return Mkdirat(dirfd, path, mode) } func Fstatat(dirfd int, path string, stat *unix.Stat_t, flags int) (err error) { return emulateFstatat(dirfd, path, stat, flags) } func Getdents(fd int) ([]fuse.DirEntry, error) { return emulateGetdents(fd) }