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Handle some WSA errors
This commit is contained in:
Bas van den Berg
parent
44f877d18b
commit
f5b9e445aa
116
lib/std/os.zig
116
lib/std/os.zig
@ -2750,6 +2750,13 @@ pub const BindError = error{
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/// The socket inode would reside on a read-only filesystem.
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ReadOnlyFileSystem,
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/// The network subsystem has failed.
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NetworkSubsystemFailed,
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FileDescriptorNotASocket,
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AlreadyBound,
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} || UnexpectedError;
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/// addr is `*const T` where T is one of the sockaddr
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@ -2758,7 +2765,15 @@ pub fn bind(sock: socket_t, addr: *const sockaddr, len: socklen_t) BindError!voi
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if (builtin.os.tag == .windows) {
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if (rc == windows.ws2_32.SOCKET_ERROR) {
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switch (windows.ws2_32.WSAGetLastError()) {
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// TODO: handle errors
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.WSANOTINITIALISED => unreachable, // not initialized WSA
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.WSAEACCES => return error.AccessDenied,
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.WSAEADDRINUSE => return error.AddressInUse,
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.WSAEADDRNOTAVAIL => return error.AddressNotAvailable,
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.WSAENOTSOCK => return error.FileDescriptorNotASocket,
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.WSAEFAULT => unreachable, // invalid pointers
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.WSAEINVAL => return error.AlreadyBound,
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.WSAENOBUFS => return error.SystemResources,
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.WSAENETDOWN => return error.NetworkSubsystemFailed,
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else => |err| return windows.unexpectedWSAError(err),
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}
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unreachable;
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@ -2799,6 +2814,19 @@ const ListenError = error{
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/// The socket is not of a type that supports the listen() operation.
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OperationNotSupported,
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/// The network subsystem has failed.
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NetworkSubsystemFailed,
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/// Ran out of system resources
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/// On Windows it can either run out of socket descriptors or buffer space
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SystemResources,
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/// Already connected
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AlreadyConnected,
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/// Socket has not been bound yet
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SocketNotBound,
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} || UnexpectedError;
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pub fn listen(sock: socket_t, backlog: u31) ListenError!void {
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@ -2806,7 +2834,15 @@ pub fn listen(sock: socket_t, backlog: u31) ListenError!void {
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if (builtin.os.tag == .windows) {
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if (rc == windows.ws2_32.SOCKET_ERROR) {
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switch (windows.ws2_32.WSAGetLastError()) {
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// TODO: handle errors
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.WSANOTINITIALISED => unreachable, // not initialized WSA
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.WSAENETDOWN => return error.NetworkSubsystemFailed,
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.WSAEADDRINUSE => return error.AddressInUse,
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.WSAEISCONN => return error.AlreadyConnected,
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.WSAEINVAL => return error.SocketNotBound,
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.WSAEMFILE, .WSAENOBUFS => return error.SystemResources,
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.WSAENOTSOCK => return error.FileDescriptorNotASocket,
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.WSAEOPNOTSUPP => return error.OperationNotSupported,
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.WSAEINPROGRESS => unreachable,
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else => |err| return windows.unexpectedWSAError(err),
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}
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}
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@ -2826,6 +2862,9 @@ pub fn listen(sock: socket_t, backlog: u31) ListenError!void {
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pub const AcceptError = error{
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ConnectionAborted,
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/// The file descriptor sockfd does not refer to a socket.
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FileDescriptorNotASocket,
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/// The per-process limit on the number of open file descriptors has been reached.
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ProcessFdQuotaExceeded,
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@ -2851,6 +2890,16 @@ pub const AcceptError = error{
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/// Permission to create a socket of the specified type and/or
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/// protocol is denied.
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PermissionDenied,
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/// An incoming connection was indicated, but was subsequently terminated by the
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/// remote peer prior to accepting the call.
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ConnectionResetByPeer,
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/// The network subsystem has failed.
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NetworkSubsystemFailed,
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/// The referenced socket is not a type that supports connection-oriented service.
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OperationNotSupported,
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} || UnexpectedError;
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/// Accept a connection on a socket.
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@ -2892,7 +2941,15 @@ pub fn accept(
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if (builtin.os.tag == .windows) {
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if (rc == windows.ws2_32.INVALID_SOCKET) {
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switch (windows.ws2_32.WSAGetLastError()) {
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// TODO: handle errors
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.WSANOTINITIALISED => unreachable, // not initialized WSA
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.WSAECONNRESET => return error.ConnectionResetByPeer,
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.WSAEFAULT => unreachable,
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.WSAEINVAL => return error.SocketNotListening,
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.WSAEMFILE => return error.ProcessFdQuotaExceeded,
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.WSAENETDOWN => return error.NetworkSubsystemFailed,
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.WSAENOBUFS => return error.FileDescriptorNotASocket,
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.WSAEOPNOTSUPP => return error.OperationNotSupported,
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.WSAEWOULDBLOCK => return error.WouldBlock,
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else => |err| return windows.unexpectedWSAError(err),
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}
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} else {
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@ -3044,6 +3101,14 @@ pub fn eventfd(initval: u32, flags: u32) EventFdError!i32 {
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pub const GetSockNameError = error{
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/// Insufficient resources were available in the system to perform the operation.
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SystemResources,
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/// The network subsystem has failed.
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NetworkSubsystemFailed,
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/// Socket hasn't been bound yet
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SocketNotBound,
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FileDescriptorNotASocket,
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} || UnexpectedError;
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pub fn getsockname(sock: socket_t, addr: *sockaddr, addrlen: *socklen_t) GetSockNameError!void {
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@ -3051,7 +3116,11 @@ pub fn getsockname(sock: socket_t, addr: *sockaddr, addrlen: *socklen_t) GetSock
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if (builtin.os.tag == .windows) {
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if (rc == windows.ws2_32.SOCKET_ERROR) {
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switch (windows.ws2_32.WSAGetLastError()) {
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// TODO: handle errors
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.WSANOTINITIALISED => unreachable,
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.WSAENETDOWN => return error.NetworkSubsystemFailed,
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.WSAEFAULT => unreachable, // addr or addrlen have invalid pointers or addrlen points to an incorrect value
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.WSAENOTSOCK => return error.FileDescriptorNotASocket,
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.WSAEINVAL => return error.SocketNotBound,
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else => |err| return windows.unexpectedWSAError(err),
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}
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}
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@ -3064,7 +3133,7 @@ pub fn getsockname(sock: socket_t, addr: *sockaddr, addrlen: *socklen_t) GetSock
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EBADF => unreachable, // always a race condition
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EFAULT => unreachable,
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EINVAL => unreachable, // invalid parameters
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ENOTSOCK => unreachable,
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ENOTSOCK => return error.FileDescriptorNotASocket,
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ENOBUFS => return error.SystemResources,
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}
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}
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@ -4011,7 +4080,10 @@ fn setSockFlags(sock: socket_t, flags: u32) !void {
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var mode: c_ulong = 1;
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if (windows.ws2_32.ioctlsocket(sock, windows.ws2_32.FIONBIO, &mode) == windows.ws2_32.SOCKET_ERROR) {
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switch (windows.ws2_32.WSAGetLastError()) {
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// TODO: handle errors
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.WSANOTINITIALISED => unreachable,
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.WSAENETDOWN => return error.NetworkSubsystemFailed,
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.WSAENOTSOCK => return error.FileDescriptorNotASocket,
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// TODO: handle more errors
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else => |err| return windows.unexpectedWSAError(err),
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}
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}
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@ -4625,6 +4697,8 @@ pub const SendError = error{
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/// The local end has been shut down on a connection oriented socket. In this case, the
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/// process will also receive a SIGPIPE unless MSG_NOSIGNAL is set.
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BrokenPipe,
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FileDescriptorNotASocket,
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} || UnexpectedError;
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/// Transmit a message to another socket.
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@ -4666,7 +4740,12 @@ pub fn sendto(
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if (builtin.os.tag == .windows) {
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if (rc == windows.ws2_32.SOCKET_ERROR) {
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switch (windows.ws2_32.WSAGetLastError()) {
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// TODO: handle errors
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.WSAEACCES => return error.AccessDenied,
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.WSAECONNRESET => return error.ConnectionResetByPeer,
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.WSAEMSGSIZE => return error.MessageTooBig,
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.WSAENOBUFS => return error.SystemResources,
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.WSAENOTSOCK => return error.FileDescriptorNotASocket,
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// TODO: handle more errors
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else => |err| return windows.unexpectedWSAError(err),
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}
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} else {
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@ -5158,6 +5237,20 @@ pub const RecvFromError = error{
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/// Could not allocate kernel memory.
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SystemResources,
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ConnectionResetByPeer,
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/// The socket has not been bound.
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SocketNotBound,
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/// The UDP message was too big for the buffer and part of it has been discarded
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MessageTooBig,
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/// The network subsystem has failed.
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NetworkSubsystemFailed,
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/// The socket is not connected (connection-oriented sockets only).
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SocketNotConnected,
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} || UnexpectedError;
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pub fn recv(sock: socket_t, buf: []u8, flags: u32) RecvFromError!usize {
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@ -5176,7 +5269,14 @@ pub fn recvfrom(
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if (builtin.os.tag == .windows) {
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if (rc == windows.ws2_32.SOCKET_ERROR) {
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switch (windows.ws2_32.WSAGetLastError()) {
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// TODO: handle errors
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.WSANOTINITIALISED => unreachable,
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.WSAECONNRESET => return error.ConnectionResetByPeer,
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.WSAEINVAL => return error.SocketNotBound,
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.WSAEMSGSIZE => return error.MessageTooBig,
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.WSAENETDOWN => return error.NetworkSubsystemFailed,
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.WSAENOTCONN => return error.SocketNotConnected,
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.WSAEWOULDBLOCK => return error.WouldBlock,
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// TODO: handle more errors
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else => |err| return windows.unexpectedWSAError(err),
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}
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} else {
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