771a1e971a
Signed-off-by: gram <git@orsinium.dev> Signed-off-by: Edoardo Vacchi <evacchi@users.noreply.github.com> Co-authored-by: Edoardo Vacchi <evacchi@users.noreply.github.com>
82 lines
2.3 KiB
Go
82 lines
2.3 KiB
Go
//go:build (!linux && !darwin && !windows) || tinygo
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package sysfs
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import (
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"net"
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"syscall"
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"github.com/tetratelabs/wazero/experimental/sys"
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experimentalsys "github.com/tetratelabs/wazero/experimental/sys"
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"github.com/tetratelabs/wazero/internal/fsapi"
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socketapi "github.com/tetratelabs/wazero/internal/sock"
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)
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// MSG_PEEK is a filler value.
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const MSG_PEEK = 0x2
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func newTCPListenerFile(tl *net.TCPListener) socketapi.TCPSock {
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return &unsupportedSockFile{}
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}
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type unsupportedSockFile struct {
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baseSockFile
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}
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// Accept implements the same method as documented on socketapi.TCPSock
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func (f *unsupportedSockFile) Accept() (socketapi.TCPConn, sys.Errno) {
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return nil, sys.ENOSYS
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}
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func _pollSock(conn syscall.Conn, flag fsapi.Pflag, timeoutMillis int32) (bool, sys.Errno) {
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return false, sys.ENOTSUP
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}
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func setNonblockSocket(fd uintptr, enabled bool) sys.Errno {
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return sys.ENOTSUP
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}
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func readSocket(fd uintptr, buf []byte) (int, sys.Errno) {
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return -1, sys.ENOTSUP
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}
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func writeSocket(fd uintptr, buf []byte) (int, sys.Errno) {
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return -1, sys.ENOTSUP
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}
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func recvfrom(fd uintptr, buf []byte, flags int32) (n int, errno sys.Errno) {
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return -1, sys.ENOTSUP
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}
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// syscallConnControl extracts a syscall.RawConn from the given syscall.Conn and applies
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// the given fn to a file descriptor, returning an integer or a nonzero syscall.Errno on failure.
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//
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// syscallConnControl streamlines the pattern of extracting the syscall.Rawconn,
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// invoking its syscall.RawConn.Control method, then handling properly the errors that may occur
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// within fn or returned by syscall.RawConn.Control itself.
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func syscallConnControl(conn syscall.Conn, fn func(fd uintptr) (int, experimentalsys.Errno)) (n int, errno sys.Errno) {
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return -1, sys.ENOTSUP
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}
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// Accept implements the same method as documented on socketapi.TCPSock
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func (f *tcpListenerFile) Accept() (socketapi.TCPConn, experimentalsys.Errno) {
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return nil, experimentalsys.ENOSYS
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}
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// Shutdown implements the same method as documented on experimentalsys.Conn
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func (f *tcpConnFile) Shutdown(how int) experimentalsys.Errno {
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// FIXME: can userland shutdown listeners?
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var err error
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switch how {
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case socketapi.SHUT_RD:
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err = f.tc.Close()
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case socketapi.SHUT_WR:
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err = f.tc.Close()
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case socketapi.SHUT_RDWR:
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return f.close()
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default:
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return experimentalsys.EINVAL
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}
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return experimentalsys.UnwrapOSError(err)
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}
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