Consolidate wasi::process and unsupported::process

library/std/src/sys/unsupported/fs.rs

@@ -233,10 +233,6 @@ impl File {
     pub fn set_permissions(&self, _perm: FilePermissions) -> io::Result<()> {
         match self.0 {}
     }
-
-    pub fn diverge(&self) -> ! {
-        match self.0 {}
-    }
 }
 
 impl DirBuilder {

library/std/src/sys/unsupported/process.rs

@@ -65,8 +65,8 @@ impl From<AnonPipe> for Stdio {
 }
 
 impl From<File> for Stdio {
-    fn from(file: File) -> Stdio {
+    fn from(_file: File) -> Stdio {
-        file.diverge()
+        panic!("unsupported")
     }
 }
 

library/std/src/sys/wasi/mod.rs

@@ -38,6 +38,7 @@ pub mod ext;
 pub mod path;
 #[path = "../unsupported/pipe.rs"]
 pub mod pipe;
+#[path = "../unsupported/process.rs"]
 pub mod process;
 #[path = "../unsupported/rwlock.rs"]
 pub mod rwlock;

library/std/src/sys/wasi/process.rs

@@ -1,151 +0,0 @@
-#![deny(unsafe_op_in_unsafe_fn)]
-
-use crate::ffi::OsStr;
-use crate::fmt;
-use crate::io;
-use crate::sys::fs::File;
-use crate::sys::pipe::AnonPipe;
-use crate::sys::{unsupported, Void};
-use crate::sys_common::process::CommandEnv;
-
-pub use crate::ffi::OsString as EnvKey;
-
-////////////////////////////////////////////////////////////////////////////////
-// Command
-////////////////////////////////////////////////////////////////////////////////
-
-pub struct Command {
-    env: CommandEnv,
-}
-
-// passed back to std::process with the pipes connected to the child, if any
-// were requested
-pub struct StdioPipes {
-    pub stdin: Option<AnonPipe>,
-    pub stdout: Option<AnonPipe>,
-    pub stderr: Option<AnonPipe>,
-}
-
-pub enum Stdio {
-    Inherit,
-    Null,
-    MakePipe,
-}
-
-impl Command {
-    pub fn new(_program: &OsStr) -> Command {
-        Command { env: Default::default() }
-    }
-
-    pub fn arg(&mut self, _arg: &OsStr) {}
-
-    pub fn env_mut(&mut self) -> &mut CommandEnv {
-        &mut self.env
-    }
-
-    pub fn cwd(&mut self, _dir: &OsStr) {}
-
-    pub fn stdin(&mut self, _stdin: Stdio) {}
-
-    pub fn stdout(&mut self, _stdout: Stdio) {}
-
-    pub fn stderr(&mut self, _stderr: Stdio) {}
-
-    pub fn spawn(
-        &mut self,
-        _default: Stdio,
-        _needs_stdin: bool,
-    ) -> io::Result<(Process, StdioPipes)> {
-        unsupported()
-    }
-}
-
-impl From<AnonPipe> for Stdio {
-    fn from(pipe: AnonPipe) -> Stdio {
-        pipe.diverge()
-    }
-}
-
-impl From<File> for Stdio {
-    fn from(_file: File) -> Stdio {
-        panic!("unsupported")
-    }
-}
-
-impl fmt::Debug for Command {
-    fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        Ok(())
-    }
-}
-
-pub struct ExitStatus(Void);
-
-impl ExitStatus {
-    pub fn success(&self) -> bool {
-        match self.0 {}
-    }
-
-    pub fn code(&self) -> Option<i32> {
-        match self.0 {}
-    }
-}
-
-impl Clone for ExitStatus {
-    fn clone(&self) -> ExitStatus {
-        match self.0 {}
-    }
-}
-
-impl Copy for ExitStatus {}
-
-impl PartialEq for ExitStatus {
-    fn eq(&self, _other: &ExitStatus) -> bool {
-        match self.0 {}
-    }
-}
-
-impl Eq for ExitStatus {}
-
-impl fmt::Debug for ExitStatus {
-    fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self.0 {}
-    }
-}
-
-impl fmt::Display for ExitStatus {
-    fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self.0 {}
-    }
-}
-
-#[derive(PartialEq, Eq, Clone, Copy, Debug)]
-pub struct ExitCode(bool);
-
-impl ExitCode {
-    pub const SUCCESS: ExitCode = ExitCode(false);
-    pub const FAILURE: ExitCode = ExitCode(true);
-
-    pub fn as_i32(&self) -> i32 {
-        self.0 as i32
-    }
-}
-
-pub struct Process(Void);
-
-impl Process {
-    pub fn id(&self) -> u32 {
-        match self.0 {}
-    }
-
-    pub fn kill(&mut self) -> io::Result<()> {
-        match self.0 {}
-    }
-
-    pub fn wait(&mut self) -> io::Result<ExitStatus> {
-        match self.0 {}
-    }
-
-    pub fn try_wait(&mut self) -> io::Result<Option<ExitStatus>> {
-        match self.0 {}
-    }
-}