1 files changed, 72 insertions, 0 deletions
diff --git a/library/std/src/sys/process/unix/unsupported.rs b/library/std/src/sys/process/unix/unsupported.rs
new file mode 100644
index 00000000000..78d270923cf
--- /dev/null
+++ b/library/std/src/sys/process/unix/unsupported.rs
@@ -0,0 +1,72 @@
+use libc::{c_int, pid_t};
+
+use super::common::*;
+use crate::io;
+use crate::num::NonZero;
+use crate::sys::pal::unsupported::*;
+
+////////////////////////////////////////////////////////////////////////////////
+// Command
+////////////////////////////////////////////////////////////////////////////////
+
+impl Command {
+    pub fn spawn(
+        &mut self,
+        _default: Stdio,
+        _needs_stdin: bool,
+    ) -> io::Result<(Process, StdioPipes)> {
+        unsupported()
+    }
+
+    pub fn output(&mut self) -> io::Result<(ExitStatus, Vec<u8>, Vec<u8>)> {
+        unsupported()
+    }
+
+    pub fn exec(&mut self, _default: Stdio) -> io::Error {
+        unsupported_err()
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Processes
+////////////////////////////////////////////////////////////////////////////////
+
+pub struct Process {
+    _handle: pid_t,
+}
+
+impl Process {
+    pub fn id(&self) -> u32 {
+        0
+    }
+
+    pub fn kill(&mut self) -> io::Result<()> {
+        unsupported()
+    }
+
+    pub fn wait(&mut self) -> io::Result<ExitStatus> {
+        unsupported()
+    }
+
+    pub fn try_wait(&mut self) -> io::Result<Option<ExitStatus>> {
+        unsupported()
+    }
+}
+
+mod wait_status;
+pub use wait_status::ExitStatus;
+
+#[derive(PartialEq, Eq, Clone, Copy, Debug)]
+pub struct ExitStatusError(NonZero<c_int>);
+
+impl Into<ExitStatus> for ExitStatusError {
+    fn into(self) -> ExitStatus {
+        ExitStatus::from(c_int::from(self.0))
+    }
+}
+
+impl ExitStatusError {
+    pub fn code(self) -> Option<NonZero<i32>> {
+        ExitStatus::from(c_int::from(self.0)).code().map(|st| st.try_into().unwrap())
+    }
+}