3915e17cd7
This adds a `TcpStream::connect_timeout` function in order to assist opening connections with a timeout (cc #13523). There isn't really much design space for this specific operation (unlike timing out normal blocking reads/writes), so I am fairly confident that this is the correct interface for this function. The function is marked #[experimental] because it takes a u64 timeout argument, and the u64 type is likely to change in the future.
77 lines
2.3 KiB
Rust
77 lines
2.3 KiB
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//! C definitions used by libnative that don't belong in liblibc
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pub use self::select::fd_set;
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use libc;
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#[cfg(target_os = "macos")]
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#[cfg(target_os = "freebsd")]
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pub static FIONBIO: libc::c_ulong = 0x8004667e;
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#[cfg(target_os = "linux")]
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#[cfg(target_os = "android")]
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pub static FIONBIO: libc::c_ulong = 0x5421;
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#[cfg(target_os = "macos")]
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#[cfg(target_os = "freebsd")]
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pub static FIOCLEX: libc::c_ulong = 0x20006601;
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#[cfg(target_os = "linux")]
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#[cfg(target_os = "android")]
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pub static FIOCLEX: libc::c_ulong = 0x5451;
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extern {
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pub fn gettimeofday(timeval: *mut libc::timeval,
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tzp: *libc::c_void) -> libc::c_int;
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pub fn select(nfds: libc::c_int,
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readfds: *fd_set,
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writefds: *fd_set,
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errorfds: *fd_set,
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timeout: *libc::timeval) -> libc::c_int;
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pub fn getsockopt(sockfd: libc::c_int,
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level: libc::c_int,
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optname: libc::c_int,
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optval: *mut libc::c_void,
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optlen: *mut libc::socklen_t) -> libc::c_int;
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pub fn ioctl(fd: libc::c_int, req: libc::c_ulong, ...) -> libc::c_int;
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}
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#[cfg(target_os = "macos")]
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mod select {
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pub static FD_SETSIZE: uint = 1024;
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pub struct fd_set {
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fds_bits: [i32, ..(FD_SETSIZE / 32)]
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}
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pub fn fd_set(set: &mut fd_set, fd: i32) {
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set.fds_bits[(fd / 32) as uint] |= 1 << (fd % 32);
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}
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}
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#[cfg(target_os = "android")]
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#[cfg(target_os = "freebsd")]
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#[cfg(target_os = "linux")]
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mod select {
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use std::uint;
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pub static FD_SETSIZE: uint = 1024;
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pub struct fd_set {
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fds_bits: [uint, ..(FD_SETSIZE / uint::BITS)]
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}
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pub fn fd_set(set: &mut fd_set, fd: i32) {
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let fd = fd as uint;
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set.fds_bits[fd / uint::BITS] |= 1 << (fd % uint::BITS);
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}
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}
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