trap proc_exit and unsupported funcs

2021-01-07 14:56:22 -08:00
parent c2a715ca54
commit 82128cbc5b
2 changed files with 62 additions and 49 deletions
--- a/crates/wasi-c2/src/error.rs
+++ b/crates/wasi-c2/src/error.rs
@@ -34,6 +34,10 @@ pub enum Error {
    #[error("Unexpected IoError: {0}")]
    UnexpectedIo(#[source] std::io::Error),

+    /// An unsupported feature of Wasi was used. This error will trap.
+    #[error("Unsupported feature: {0}")]
+    Unsupported(&'static str),
+
    // Below this, all variants are from the `$errno` type:
    /// Errno::TooBig: Argument list too long
    #[error("TooBig: Argument list too long")]