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authorAlex Crichton <alex@alexcrichton.com>2015-05-05 16:35:15 -0700
committerAlex Crichton <alex@alexcrichton.com>2015-05-07 09:30:00 -0700
commit377b1adc36af65ed79be2b79a4e1caf240fc457a (patch)
treeb9d19181fcc7bc264a4e944031237b445db6c688 /src/libstd/sys/windows/process2.rs
parent05d5fcaa5ba0c385e1dc97037c89fae437634fc3 (diff)
downloadrust-377b1adc36af65ed79be2b79a4e1caf240fc457a.tar.gz
rust-377b1adc36af65ed79be2b79a4e1caf240fc457a.zip
std: Rename sys::foo2 modules to sys::foo
Now that `std::old_io` has been removed for quite some time the naming real
estate here has opened up to allow these modules to move back to their proper
names.
Diffstat (limited to 'src/libstd/sys/windows/process2.rs')
-rw-r--r--src/libstd/sys/windows/process2.rs429
1 files changed, 0 insertions, 429 deletions
diff --git a/src/libstd/sys/windows/process2.rs b/src/libstd/sys/windows/process2.rs
deleted file mode 100644
index 5aad5f668dd..00000000000
--- a/src/libstd/sys/windows/process2.rs
+++ /dev/null
@@ -1,429 +0,0 @@
-// Copyright 2012-2014 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 prelude::v1::*;
-
-use ascii::*;
-use collections::HashMap;
-use collections;
-use env::split_paths;
-use env;
-use ffi::{OsString, OsStr};
-use fmt;
-use fs;
-use io::{self, Error};
-use libc::{self, c_void};
-use mem;
-use os::windows::ffi::OsStrExt;
-use path::Path;
-use ptr;
-use sync::{StaticMutex, MUTEX_INIT};
-use sys::c;
-use sys::fs2::{OpenOptions, File};
-use sys::handle::Handle;
-use sys::pipe2::AnonPipe;
-use sys::stdio;
-use sys::{self, cvt};
-use sys_common::{AsInner, FromInner};
-
-////////////////////////////////////////////////////////////////////////////////
-// Command
-////////////////////////////////////////////////////////////////////////////////
-
-fn mk_key(s: &OsStr) -> OsString {
-    FromInner::from_inner(sys::os_str::Buf {
-        inner: s.as_inner().inner.to_ascii_uppercase()
-    })
-}
-
-#[derive(Clone)]
-pub struct Command {
-    pub program: OsString,
-    pub args: Vec<OsString>,
-    pub env: Option<HashMap<OsString, OsString>>,
-    pub cwd: Option<OsString>,
-    pub detach: bool, // not currently exposed in std::process
-}
-
-impl Command {
-    pub fn new(program: &OsStr) -> Command {
-        Command {
-            program: program.to_os_string(),
-            args: Vec::new(),
-            env: None,
-            cwd: None,
-            detach: false,
-        }
-    }
-
-    pub fn arg(&mut self, arg: &OsStr) {
-        self.args.push(arg.to_os_string())
-    }
-    pub fn args<'a, I: Iterator<Item = &'a OsStr>>(&mut self, args: I) {
-        self.args.extend(args.map(OsStr::to_os_string))
-    }
-    fn init_env_map(&mut self){
-        if self.env.is_none() {
-            self.env = Some(env::vars_os().map(|(key, val)| {
-                (mk_key(&key), val)
-            }).collect());
-        }
-    }
-    pub fn env(&mut self, key: &OsStr, val: &OsStr) {
-        self.init_env_map();
-        self.env.as_mut().unwrap().insert(mk_key(key), val.to_os_string());
-    }
-    pub fn env_remove(&mut self, key: &OsStr) {
-        self.init_env_map();
-        self.env.as_mut().unwrap().remove(&mk_key(key));
-    }
-    pub fn env_clear(&mut self) {
-        self.env = Some(HashMap::new())
-    }
-    pub fn cwd(&mut self, dir: &OsStr) {
-        self.cwd = Some(dir.to_os_string())
-    }
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// Processes
-////////////////////////////////////////////////////////////////////////////////
-
-/// A value representing a child process.
-///
-/// The lifetime of this value is linked to the lifetime of the actual
-/// process - the Process destructor calls self.finish() which waits
-/// for the process to terminate.
-pub struct Process {
-    handle: Handle,
-}
-
-pub enum Stdio {
-    Inherit,
-    Piped(AnonPipe),
-    None,
-}
-
-impl Process {
-    pub fn spawn(cfg: &Command,
-                 in_handle: Stdio,
-                 out_handle: Stdio,
-                 err_handle: Stdio) -> io::Result<Process>
-    {
-        use libc::{TRUE, STARTF_USESTDHANDLES};
-        use libc::{DWORD, STARTUPINFO, CreateProcessW};
-
-        // To have the spawning semantics of unix/windows stay the same, we need
-        // to read the *child's* PATH if one is provided. See #15149 for more
-        // details.
-        let program = cfg.env.as_ref().and_then(|env| {
-            for (key, v) in env {
-                if OsStr::new("PATH") != &**key { continue }
-
-                // Split the value and test each path to see if the
-                // program exists.
-                for path in split_paths(&v) {
-                    let path = path.join(cfg.program.to_str().unwrap())
-                                   .with_extension(env::consts::EXE_EXTENSION);
-                    if fs::metadata(&path).is_ok() {
-                        return Some(path.into_os_string())
-                    }
-                }
-                break
-            }
-            None
-        });
-
-        let mut si = zeroed_startupinfo();
-        si.cb = mem::size_of::<STARTUPINFO>() as DWORD;
-        si.dwFlags = STARTF_USESTDHANDLES;
-
-        let stdin = try!(in_handle.to_handle(c::STD_INPUT_HANDLE));
-        let stdout = try!(out_handle.to_handle(c::STD_OUTPUT_HANDLE));
-        let stderr = try!(err_handle.to_handle(c::STD_ERROR_HANDLE));
-
-        si.hStdInput = stdin.raw();
-        si.hStdOutput = stdout.raw();
-        si.hStdError = stderr.raw();
-
-        let program = program.as_ref().unwrap_or(&cfg.program);
-        let mut cmd_str = make_command_line(program, &cfg.args);
-        cmd_str.push(0); // add null terminator
-
-        // stolen from the libuv code.
-        let mut flags = libc::CREATE_UNICODE_ENVIRONMENT;
-        if cfg.detach {
-            flags |= libc::DETACHED_PROCESS | libc::CREATE_NEW_PROCESS_GROUP;
-        }
-
-        let (envp, _data) = make_envp(cfg.env.as_ref());
-        let (dirp, _data) = make_dirp(cfg.cwd.as_ref());
-        let mut pi = zeroed_process_information();
-        try!(unsafe {
-            // `CreateProcess` is racy!
-            // http://support.microsoft.com/kb/315939
-            static CREATE_PROCESS_LOCK: StaticMutex = MUTEX_INIT;
-            let _lock = CREATE_PROCESS_LOCK.lock();
-
-            cvt(CreateProcessW(ptr::null(),
-                               cmd_str.as_mut_ptr(),
-                               ptr::null_mut(),
-                               ptr::null_mut(),
-                               TRUE, flags, envp, dirp,
-                               &mut si, &mut pi))
-        });
-
-        // We close the thread handle because we don't care about keeping
-        // the thread id valid, and we aren't keeping the thread handle
-        // around to be able to close it later.
-        drop(Handle::new(pi.hThread));
-
-        Ok(Process { handle: Handle::new(pi.hProcess) })
-    }
-
-    pub unsafe fn kill(&self) -> io::Result<()> {
-        try!(cvt(libc::TerminateProcess(self.handle.raw(), 1)));
-        Ok(())
-    }
-
-    pub fn wait(&self) -> io::Result<ExitStatus> {
-        use libc::{STILL_ACTIVE, INFINITE, WAIT_OBJECT_0};
-        use libc::{GetExitCodeProcess, WaitForSingleObject};
-
-        unsafe {
-            loop {
-                let mut status = 0;
-                try!(cvt(GetExitCodeProcess(self.handle.raw(), &mut status)));
-                if status != STILL_ACTIVE {
-                    return Ok(ExitStatus(status as i32));
-                }
-                match WaitForSingleObject(self.handle.raw(), INFINITE) {
-                    WAIT_OBJECT_0 => {}
-                    _ => return Err(Error::last_os_error()),
-                }
-            }
-        }
-    }
-}
-
-#[derive(PartialEq, Eq, Clone, Copy, Debug)]
-pub struct ExitStatus(i32);
-
-impl ExitStatus {
-    pub fn success(&self) -> bool {
-        self.0 == 0
-    }
-    pub fn code(&self) -> Option<i32> {
-        Some(self.0)
-    }
-}
-
-impl fmt::Display for ExitStatus {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "exit code: {}", self.0)
-    }
-}
-
-fn zeroed_startupinfo() -> libc::types::os::arch::extra::STARTUPINFO {
-    libc::types::os::arch::extra::STARTUPINFO {
-        cb: 0,
-        lpReserved: ptr::null_mut(),
-        lpDesktop: ptr::null_mut(),
-        lpTitle: ptr::null_mut(),
-        dwX: 0,
-        dwY: 0,
-        dwXSize: 0,
-        dwYSize: 0,
-        dwXCountChars: 0,
-        dwYCountCharts: 0,
-        dwFillAttribute: 0,
-        dwFlags: 0,
-        wShowWindow: 0,
-        cbReserved2: 0,
-        lpReserved2: ptr::null_mut(),
-        hStdInput: libc::INVALID_HANDLE_VALUE,
-        hStdOutput: libc::INVALID_HANDLE_VALUE,
-        hStdError: libc::INVALID_HANDLE_VALUE,
-    }
-}
-
-fn zeroed_process_information() -> libc::types::os::arch::extra::PROCESS_INFORMATION {
-    libc::types::os::arch::extra::PROCESS_INFORMATION {
-        hProcess: ptr::null_mut(),
-        hThread: ptr::null_mut(),
-        dwProcessId: 0,
-        dwThreadId: 0
-    }
-}
-
-// Produces a wide string *without terminating null*
-fn make_command_line(prog: &OsStr, args: &[OsString]) -> Vec<u16> {
-    // Encode the command and arguments in a command line string such
-    // that the spawned process may recover them using CommandLineToArgvW.
-    let mut cmd: Vec<u16> = Vec::new();
-    append_arg(&mut cmd, prog);
-    for arg in args {
-        cmd.push(' ' as u16);
-        append_arg(&mut cmd, arg);
-    }
-    return cmd;
-
-    fn append_arg(cmd: &mut Vec<u16>, arg: &OsStr) {
-        // If an argument has 0 characters then we need to quote it to ensure
-        // that it actually gets passed through on the command line or otherwise
-        // it will be dropped entirely when parsed on the other end.
-        let arg_bytes = &arg.as_inner().inner.as_inner();
-        let quote = arg_bytes.iter().any(|c| *c == b' ' || *c == b'\t')
-            || arg_bytes.is_empty();
-        if quote {
-            cmd.push('"' as u16);
-        }
-
-        let mut iter = arg.encode_wide();
-        let mut backslashes: usize = 0;
-        while let Some(x) = iter.next() {
-            if x == '\\' as u16 {
-                backslashes += 1;
-            } else {
-                if x == '"' as u16 {
-                    // Add n+1 backslashes to total 2n+1 before internal '"'.
-                    for _ in 0..(backslashes+1) {
-                        cmd.push('\\' as u16);
-                    }
-                }
-                backslashes = 0;
-            }
-            cmd.push(x);
-        }
-
-        if quote {
-            // Add n backslashes to total 2n before ending '"'.
-            for _ in 0..backslashes {
-                cmd.push('\\' as u16);
-            }
-            cmd.push('"' as u16);
-        }
-    }
-}
-
-fn make_envp(env: Option<&collections::HashMap<OsString, OsString>>)
-             -> (*mut c_void, Vec<u16>) {
-    // On Windows we pass an "environment block" which is not a char**, but
-    // rather a concatenation of null-terminated k=v\0 sequences, with a final
-    // \0 to terminate.
-    match env {
-        Some(env) => {
-            let mut blk = Vec::new();
-
-            for pair in env {
-                blk.extend(pair.0.encode_wide());
-                blk.push('=' as u16);
-                blk.extend(pair.1.encode_wide());
-                blk.push(0);
-            }
-            blk.push(0);
-            (blk.as_mut_ptr() as *mut c_void, blk)
-        }
-        _ => (ptr::null_mut(), Vec::new())
-    }
-}
-
-fn make_dirp(d: Option<&OsString>) -> (*const u16, Vec<u16>) {
-    match d {
-        Some(dir) => {
-            let mut dir_str: Vec<u16> = dir.encode_wide().collect();
-            dir_str.push(0);
-            (dir_str.as_ptr(), dir_str)
-        },
-        None => (ptr::null(), Vec::new())
-    }
-}
-
-impl Stdio {
-    fn to_handle(&self, stdio_id: libc::DWORD) -> io::Result<Handle> {
-        use libc::DUPLICATE_SAME_ACCESS;
-
-        match *self {
-            Stdio::Inherit => {
-                stdio::get(stdio_id).and_then(|io| {
-                    io.handle().duplicate(0, true, DUPLICATE_SAME_ACCESS)
-                })
-            }
-            Stdio::Piped(ref pipe) => {
-                pipe.handle().duplicate(0, true, DUPLICATE_SAME_ACCESS)
-            }
-
-            // Similarly to unix, we don't actually leave holes for the
-            // stdio file descriptors, but rather open up /dev/null
-            // equivalents. These equivalents are drawn from libuv's
-            // windows process spawning.
-            Stdio::None => {
-                let size = mem::size_of::<libc::SECURITY_ATTRIBUTES>();
-                let mut sa = libc::SECURITY_ATTRIBUTES {
-                    nLength: size as libc::DWORD,
-                    lpSecurityDescriptor: ptr::null_mut(),
-                    bInheritHandle: 1,
-                };
-                let mut opts = OpenOptions::new();
-                opts.read(stdio_id == c::STD_INPUT_HANDLE);
-                opts.write(stdio_id != c::STD_INPUT_HANDLE);
-                opts.security_attributes(&mut sa);
-                File::open(Path::new("NUL"), &opts).map(|file| {
-                    file.into_handle()
-                })
-            }
-        }
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use prelude::v1::*;
-    use str;
-    use ffi::{OsStr, OsString};
-    use super::make_command_line;
-
-    #[test]
-    fn test_make_command_line() {
-        fn test_wrapper(prog: &str, args: &[&str]) -> String {
-            String::from_utf16(
-                &make_command_line(OsStr::new(prog),
-                                   &args.iter()
-                                        .map(|a| OsString::from(a))
-                                        .collect::<Vec<OsString>>())).unwrap()
-        }
-
-        assert_eq!(
-            test_wrapper("prog", &["aaa", "bbb", "ccc"]),
-            "prog aaa bbb ccc"
-        );
-
-        assert_eq!(
-            test_wrapper("C:\\Program Files\\blah\\blah.exe", &["aaa"]),
-            "\"C:\\Program Files\\blah\\blah.exe\" aaa"
-        );
-        assert_eq!(
-            test_wrapper("C:\\Program Files\\test", &["aa\"bb"]),
-            "\"C:\\Program Files\\test\" aa\\\"bb"
-        );
-        assert_eq!(
-            test_wrapper("echo", &["a b c"]),
-            "echo \"a b c\""
-        );
-        assert_eq!(
-            test_wrapper("echo", &["\" \\\" \\", "\\"]),
-            "echo \"\\\" \\\\\\\" \\\\\" \\"
-        );
-        assert_eq!(
-            test_wrapper("\u{03c0}\u{042f}\u{97f3}\u{00e6}\u{221e}", &[]),
-            "\u{03c0}\u{042f}\u{97f3}\u{00e6}\u{221e}"
-        );
-    }
-}