49 lines
1.4 KiB
Plaintext
49 lines
1.4 KiB
Plaintext
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package wasi:io@0.2.0;
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interface poll {
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resource pollable {
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ready: func() -> bool;
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block: func();
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}
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poll: func(in: list<borrow<pollable>>) -> list<u32>;
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}
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interface error {
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resource error {
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to-debug-string: func() -> string;
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}
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}
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interface streams {
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use error.{error};
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use poll.{pollable};
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variant stream-error {
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last-operation-failed(error),
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closed,
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}
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resource input-stream {
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read: func(len: u64) -> result<list<u8>, stream-error>;
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blocking-read: func(len: u64) -> result<list<u8>, stream-error>;
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skip: func(len: u64) -> result<u64, stream-error>;
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blocking-skip: func(len: u64) -> result<u64, stream-error>;
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subscribe: func() -> pollable;
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}
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resource output-stream {
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check-write: func() -> result<u64, stream-error>;
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write: func(contents: list<u8>) -> result<_, stream-error>;
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blocking-write-and-flush: func(contents: list<u8>) -> result<_, stream-error>;
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flush: func() -> result<_, stream-error>;
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blocking-flush: func() -> result<_, stream-error>;
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subscribe: func() -> pollable;
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write-zeroes: func(len: u64) -> result<_, stream-error>;
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blocking-write-zeroes-and-flush: func(len: u64) -> result<_, stream-error>;
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splice: func(src: borrow<input-stream>, len: u64) -> result<u64, stream-error>;
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blocking-splice: func(src: borrow<input-stream>, len: u64) -> result<u64, stream-error>;
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}
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}
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