Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 104 insertions, 0 deletions

diff --git a/third_party/rust/net2/src/sys/unix/mod.rs b/third_party/rust/net2/src/sys/unix/mod.rs
new file mode 100644
index 0000000000..cc8a60d01e
--- /dev/null
+++ b/third_party/rust/net2/src/sys/unix/mod.rs
@@ -0,0 +1,104 @@
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+
+use std::io;
+use std::mem;
+use std::net::{TcpListener, TcpStream, UdpSocket};
+use std::os::unix::io::FromRawFd;
+use libc::{self, c_int};
+#[cfg(not(any(target_os = "emscripten", target_os = "haiku", target_os = "illumos", target_os = "solaris")))]
+use libc::{ioctl, FIOCLEX};
+
+mod impls;
+
+pub mod c {
+    pub use libc::*;
+
+    pub fn sockaddr_in_u32(sa: &sockaddr_in) -> u32 {
+        ::ntoh((*sa).sin_addr.s_addr)
+    }
+
+    pub fn in_addr_to_u32(addr: &in_addr) -> u32 {
+        ::ntoh(addr.s_addr)
+    }
+}
+
+pub struct Socket {
+    fd: c_int,
+}
+
+impl Socket {
+    #[cfg(not(any(target_os = "emscripten", target_os = "haiku", target_os = "illumos", target_os = "solaris")))]
+    pub fn new(family: c_int, ty: c_int) -> io::Result<Socket> {
+        unsafe {
+            // Linux >2.6.26 overloads the type argument to accept SOCK_CLOEXEC,
+            // avoiding a race with another thread running fork/exec between
+            // socket() and ioctl()
+            #[cfg(any(target_os = "linux", target_os = "android"))]
+            match ::cvt(libc::socket(family, ty | libc::SOCK_CLOEXEC, 0)) {
+                Ok(fd) => return Ok(Socket { fd: fd }),
+                // Older versions of Linux return EINVAL; fall back to ioctl
+                Err(ref e) if e.raw_os_error() == Some(libc::EINVAL) => {}
+                Err(e) => return Err(e),
+            }
+
+            let fd = try!(::cvt(libc::socket(family, ty, 0)));
+            ioctl(fd, FIOCLEX);
+            Ok(Socket { fd: fd })
+        }
+    }
+
+    // ioctl(FIOCLEX) is not supported by Solaris/illumos or emscripten,
+    // use fcntl(FD_CLOEXEC) instead
+    #[cfg(any(target_os = "emscripten", target_os = "haiku", target_os = "illumos", target_os = "solaris"))]
+    pub fn new(family: c_int, ty: c_int) -> io::Result<Socket> {
+        unsafe {
+            let fd = try!(::cvt(libc::socket(family, ty, 0)));
+            libc::fcntl(fd, libc::FD_CLOEXEC);
+            Ok(Socket { fd: fd })
+        }
+    }
+
+    pub fn raw(&self) -> c_int { self.fd }
+
+    fn into_fd(self) -> c_int {
+        let fd = self.fd;
+        mem::forget(self);
+        fd
+    }
+
+    pub fn into_tcp_listener(self) -> TcpListener {
+        unsafe { TcpListener::from_raw_fd(self.into_fd()) }
+    }
+
+    pub fn into_tcp_stream(self) -> TcpStream {
+        unsafe { TcpStream::from_raw_fd(self.into_fd()) }
+    }
+
+    pub fn into_udp_socket(self) -> UdpSocket {
+        unsafe { UdpSocket::from_raw_fd(self.into_fd()) }
+    }
+}
+
+impl ::FromInner for Socket {
+    type Inner = c_int;
+    fn from_inner(fd: c_int) -> Socket {
+        Socket { fd: fd }
+    }
+}
+
+impl Drop for Socket {
+    fn drop(&mut self) {
+        unsafe {
+            let _ = libc::close(self.fd);
+        }
+    }
+}