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| author | Luna <git@l4.pm> | 2020-04-20 16:34:37 -0300 |
|---|---|---|
| committer | Andrew Kelley <andrew@ziglang.org> | 2020-06-02 14:56:19 -0400 |
| commit | c8468bed42db773cc0622c6ea2e18d5e17808f2b (patch) | |
| tree | 83be6e3ed804ab505a3a280bba5941a8a474a61d /lib/std/os.zig | |
| parent | c7b790ded685cb3bcb17fe7a27de7ae054133250 (diff) | |
| download | zig-c8468bed42db773cc0622c6ea2e18d5e17808f2b.tar.gz zig-c8468bed42db773cc0622c6ea2e18d5e17808f2b.zip | |
Add std.os.ioctl
Diffstat (limited to 'lib/std/os.zig')
| -rw-r--r-- | lib/std/os.zig | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/lib/std/os.zig b/lib/std/os.zig index 24cf527040..afa161d5b4 100644 --- a/lib/std/os.zig +++ b/lib/std/os.zig @@ -405,7 +405,6 @@ pub fn readv(fd: fd_t, iov: []const iovec) ReadError!usize { else => |err| return unexpectedErrno(err), } } - const iov_count = math.cast(u31, iov.len) catch math.maxInt(u31); while (true) { // TODO handle the case when iov_len is too large and get rid of this @intCast @@ -2451,9 +2450,8 @@ pub fn socket(domain: u32, socket_type: u32, protocol: u32) SocketError!socket_t if (builtin.os.tag == .windows) { // NOTE: windows translates the SOCK_NONBLOCK/SOCK_CLOEXEC flags into windows-analagous operations const filtered_sock_type = socket_type & ~@as(u32, SOCK_NONBLOCK | SOCK_CLOEXEC); - const flags : u32 = if ((socket_type & SOCK_CLOEXEC) != 0) windows.ws2_32.WSA_FLAG_NO_HANDLE_INHERIT else 0; - const rc = windows.ws2_32.WSASocketW(@intCast(c_int, domain), @intCast(c_int, filtered_sock_type), - @intCast(c_int, protocol), null, 0, flags); + const flags: u32 = if ((socket_type & SOCK_CLOEXEC) != 0) windows.ws2_32.WSA_FLAG_NO_HANDLE_INHERIT else 0; + const rc = windows.ws2_32.WSASocketW(@intCast(c_int, domain), @intCast(c_int, filtered_sock_type), @intCast(c_int, protocol), null, 0, flags); if (rc == windows.ws2_32.INVALID_SOCKET) switch (windows.ws2_32.WSAGetLastError()) { .WSAEMFILE => return error.ProcessFdQuotaExceeded, .WSAENOBUFS => return error.SystemResources, @@ -2463,7 +2461,7 @@ pub fn socket(domain: u32, socket_type: u32, protocol: u32) SocketError!socket_t }; errdefer windows.closesocket(rc) catch unreachable; if ((socket_type & SOCK_NONBLOCK) != 0) { - var mode : c_ulong = 1; // nonblocking + var mode: c_ulong = 1; // nonblocking if (windows.ws2_32.SOCKET_ERROR == windows.ws2_32.ioctlsocket(rc, windows.ws2_32.FIONBIO, &mode)) { switch (windows.ws2_32.WSAGetLastError()) { // have not identified any error codes that should be handled yet @@ -2858,7 +2856,7 @@ pub fn connect(sockfd: socket_t, sock_addr: *const sockaddr, len: socklen_t) Con .WSAECONNREFUSED => return error.ConnectionRefused, .WSAETIMEDOUT => return error.ConnectionTimedOut, .WSAEHOSTUNREACH // TODO: should we return NetworkUnreachable in this case as well? - ,.WSAENETUNREACH => return error.NetworkUnreachable, + , .WSAENETUNREACH => return error.NetworkUnreachable, .WSAEFAULT => unreachable, .WSAEINVAL => unreachable, .WSAEISCONN => unreachable, @@ -4906,3 +4904,17 @@ pub fn tcsetattr(handle: fd_t, optional_action: TCSA, termios_p: termios) Termio } } } + +pub fn ioctl(handle: fd_t, request: u32, arg: var) !void { + switch (errno(system.ioctl(handle, request, arg))) { + 0 => {}, + EINVAL => unreachable, + ENOTTY => unreachable, + ENXIO => unreachable, + EBADF => return error.BadFile, + EINTR => return error.CaughtSignal, + EIO => return error.FileSystem, + ENODEV => return error.NoDevice, + else => |err| return unexpectedErrno(err), + } +} |