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Merged
ricochet merged 1 commit into from
Mar 12, 2026
Merged

wasi:sockets: Add error-code other #902

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13 changes: 6 additions & 7 deletions proposals/sockets/wit-0.3.0-draft/ip-name-lookup.wit
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Original file line number Diff line number Diff line change
Expand Up @@ -5,13 +5,7 @@ interface ip-name-lookup {

/// Lookup error codes.
@since(version = 0.3.0-rc-2026-02-09)
enum error-code {
/// Unknown error
///
/// This is an escape hatch for WASI implementations to handle failures
/// that can not be categorized under any of the other error codes.
unknown,

variant error-code {
/// Access denied.
///
/// POSIX equivalent: EACCES, EPERM
Expand All @@ -36,6 +30,11 @@ interface ip-name-lookup {
///
/// POSIX equivalent: EAI_FAIL
permanent-resolver-failure,

/// A catch-all for errors not captured by the existing variants.
/// Implementations can use this to extend the error type without
/// breaking existing code.
other(option<string>),
}

/// Resolve an internet host name to a list of IP addresses.
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13 changes: 6 additions & 7 deletions proposals/sockets/wit-0.3.0-draft/types.wit
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Expand Up @@ -15,13 +15,7 @@ interface types {
///
/// See each individual API for what the POSIX equivalents are. They sometimes differ per API.
@since(version = 0.3.0-rc-2026-02-09)
enum error-code {
/// Unknown error.
///
/// This is an escape hatch for WASI implementations to handle failures
/// that can not be categorized under any of the other error codes.
unknown,

variant error-code {
/// Access denied.
///
/// POSIX equivalent: EACCES, EPERM
Expand Down Expand Up @@ -91,6 +85,11 @@ interface types {
///
/// POSIX equivalent: EMSGSIZE
datagram-too-large,

/// A catch-all for errors not captured by the existing variants.
/// Implementations can use this to extend the error type without
/// breaking existing code.
other(option<string>),
}

@since(version = 0.3.0-rc-2026-02-09)
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