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wit-deps update #67

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Nov 1, 2023
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wit-deps update #67

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7910439
wit-deps update
Nov 1, 2023
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Nov 1, 2023
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235 changes: 120 additions & 115 deletions proxy.md
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12 changes: 6 additions & 6 deletions wit/deps.lock
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Expand Up @@ -5,18 +5,18 @@ sha512 = "36a793525eba4921f0bd55bc445465e86fc7ff8fcf3e5bb61108d35e4d791950b107b4

[clocks]
url = "https://github.com/WebAssembly/wasi-clocks/archive/main.tar.gz"
sha256 = "74844f8bf1d356bb44aab64a2f917d7a3bcb6d6924662d2e3909aeabda01bea6"
sha512 = "ef21339a60a3f4a37eb48ab81b411c1f2ed11c9b23da04d1e384c07dd4cc75f1a433ce7b46201c693b7a59b51c73d888bc41c78ad204fe32d8a312a9f9a48eb0"
sha256 = "8d6b9f7a8bf9466bdc68043c33e054878fdf09c1cc69c19c99eeadd3bb257a90"
sha512 = "21b65d911930c4512bb3caa08459283fc70b1ccc5159313092334cffd6662fb92cfe90577b51829ef363e2d02530802c88f2a1f82db43964d1f8bff7ecbc794b"

[filesystem]
url = "https://github.com/WebAssembly/wasi-filesystem/archive/main.tar.gz"
sha256 = "ca8364780922eddd53ec77f9152c77486db3d7052f6a5902ccc1648d5494050c"
sha512 = "ef05d9d7d5c08bc6a701a65c5af1981f30b2eb5b1c3dc5ca39a69248be8ab7cb3b17c5d181a010149dd491846fa5a7ac4f9165b06e628f31227e02dbdd8b86f5"
sha256 = "c05155f44cf5798d15a16eaf9cdfb065d05914ed4710421a7448bb61c6decf3a"
sha512 = "fb30ea13678d3f3d2002b2cc1f6dae99ee6a06eae7c408c0d558f21e5039979dd80c8ced46b1a7629ce8b050820d81462093f7b4a733ff706d0258bf5dea5657"

[io]
url = "https://github.com/WebAssembly/wasi-io/archive/main.tar.gz"
sha256 = "a00c29dd57dc224e8ce28b793b19c1b1001dcdbdc229ed451c3df1db91841b34"
sha512 = "8558085eeb5689209101cdfbc9782953d559ad14ce77260fe2f7cc472482d568f65cad9e6a688d40c634c6c54c608f27e27e481633446114d6fdead93d4e34c5"
sha256 = "fb76f4449eea54d06b56fc6a7ca988da51bd84a54d2021cf18da67b5e2c7ebcf"
sha512 = "c005e2a91522958a9537827a49ae344e1cb39d66e85492901a86bcc7e322ba8d0a7f1a02c9b9f840c123b4ad97e297355fac98d4822536d1426d1096dd1d73ac"

[random]
url = "https://github.com/WebAssembly/wasi-random/archive/main.tar.gz"
Expand Down
26 changes: 19 additions & 7 deletions wit/deps/clocks/monotonic-clock.wit
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Expand Up @@ -11,22 +11,34 @@
interface monotonic-clock {
use wasi:io/poll.{pollable};

/// A timestamp in nanoseconds.
/// An instant in time, in nanoseconds. An instant is relative to an
/// unspecified initial value, and can only be compared to instances from
/// the same monotonic-clock.
type instant = u64;

/// A duration of time, in nanoseconds.
type duration = u64;

/// Read the current value of the clock.
///
/// The clock is monotonic, therefore calling this function repeatedly will
/// produce a sequence of non-decreasing values.
now: func() -> instant;

/// Query the resolution of the clock.
resolution: func() -> instant;
/// Query the resolution of the clock. Returns the duration of time
/// corresponding to a clock tick.
resolution: func() -> duration;

/// Create a `pollable` which will resolve once the specified time has been
/// reached.
subscribe: func(
/// Create a `pollable` which will resolve once the specified instant
/// occured.
subscribe-instant: func(
when: instant,
absolute: bool
) -> pollable;

/// Create a `pollable` which will resolve once the given duration has
/// elapsed, starting at the time at which this function was called.
/// occured.
subscribe-duration: func(
when: duration,
) -> pollable;
}
113 changes: 13 additions & 100 deletions wit/deps/filesystem/types.wit
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Expand Up @@ -23,7 +23,7 @@
///
/// [WASI filesystem path resolution]: https://github.com/WebAssembly/wasi-filesystem/blob/main/path-resolution.md
interface types {
use wasi:io/streams.{input-stream, output-stream};
use wasi:io/streams.{input-stream, output-stream, error};
use wasi:clocks/wall-clock.{datetime};

/// File size or length of a region within a file.
Expand Down Expand Up @@ -650,105 +650,6 @@ interface types {
modes: modes,
) -> result<_, error-code>;

/// Request a shared advisory lock for an open file.
///
/// This requests a *shared* lock; more than one shared lock can be held for
/// a file at the same time.
///
/// If the open file has an exclusive lock, this function downgrades the lock
/// to a shared lock. If it has a shared lock, this function has no effect.
///
/// This requests an *advisory* lock, meaning that the file could be accessed
/// by other programs that don't hold the lock.
///
/// It is unspecified how shared locks interact with locks acquired by
/// non-WASI programs.
///
/// This function blocks until the lock can be acquired.
///
/// Not all filesystems support locking; on filesystems which don't support
/// locking, this function returns `error-code::unsupported`.
///
/// Note: This is similar to `flock(fd, LOCK_SH)` in Unix.
lock-shared: func() -> result<_, error-code>;

/// Request an exclusive advisory lock for an open file.
///
/// This requests an *exclusive* lock; no other locks may be held for the
/// file while an exclusive lock is held.
///
/// If the open file has a shared lock and there are no exclusive locks held
/// for the file, this function upgrades the lock to an exclusive lock. If the
/// open file already has an exclusive lock, this function has no effect.
///
/// This requests an *advisory* lock, meaning that the file could be accessed
/// by other programs that don't hold the lock.
///
/// It is unspecified whether this function succeeds if the file descriptor
/// is not opened for writing. It is unspecified how exclusive locks interact
/// with locks acquired by non-WASI programs.
///
/// This function blocks until the lock can be acquired.
///
/// Not all filesystems support locking; on filesystems which don't support
/// locking, this function returns `error-code::unsupported`.
///
/// Note: This is similar to `flock(fd, LOCK_EX)` in Unix.
lock-exclusive: func() -> result<_, error-code>;

/// Request a shared advisory lock for an open file.
///
/// This requests a *shared* lock; more than one shared lock can be held for
/// a file at the same time.
///
/// If the open file has an exclusive lock, this function downgrades the lock
/// to a shared lock. If it has a shared lock, this function has no effect.
///
/// This requests an *advisory* lock, meaning that the file could be accessed
/// by other programs that don't hold the lock.
///
/// It is unspecified how shared locks interact with locks acquired by
/// non-WASI programs.
///
/// This function returns `error-code::would-block` if the lock cannot be
/// acquired.
///
/// Not all filesystems support locking; on filesystems which don't support
/// locking, this function returns `error-code::unsupported`.
///
/// Note: This is similar to `flock(fd, LOCK_SH | LOCK_NB)` in Unix.
try-lock-shared: func() -> result<_, error-code>;

/// Request an exclusive advisory lock for an open file.
///
/// This requests an *exclusive* lock; no other locks may be held for the
/// file while an exclusive lock is held.
///
/// If the open file has a shared lock and there are no exclusive locks held
/// for the file, this function upgrades the lock to an exclusive lock. If the
/// open file already has an exclusive lock, this function has no effect.
///
/// This requests an *advisory* lock, meaning that the file could be accessed
/// by other programs that don't hold the lock.
///
/// It is unspecified whether this function succeeds if the file descriptor
/// is not opened for writing. It is unspecified how exclusive locks interact
/// with locks acquired by non-WASI programs.
///
/// This function returns `error-code::would-block` if the lock cannot be
/// acquired.
///
/// Not all filesystems support locking; on filesystems which don't support
/// locking, this function returns `error-code::unsupported`.
///
/// Note: This is similar to `flock(fd, LOCK_EX | LOCK_NB)` in Unix.
try-lock-exclusive: func() -> result<_, error-code>;

/// Release a shared or exclusive lock on an open file.
///
/// Note: This is similar to `flock(fd, LOCK_UN)` in Unix.
unlock: func() -> result<_, error-code>;

/// Test whether two descriptors refer to the same filesystem object.
///
/// In POSIX, this corresponds to testing whether the two descriptors have the
Expand Down Expand Up @@ -795,4 +696,16 @@ interface types {
/// Read a single directory entry from a `directory-entry-stream`.
read-directory-entry: func() -> result<option<directory-entry>, error-code>;
}

/// Attempts to extract a filesystem-related `error-code` from the stream
/// `error` provided.
///
/// Stream operations which return `stream-error::last-operation-failed`
/// have a payload with more information about the operation that failed.
/// This payload can be passed through to this function to see if there's
/// filesystem-related information about the error to return.
///
/// Note that this function is fallible because not all stream-related
/// errors are filesystem-related errors.
filesystem-error-code: func(err: borrow<error>) -> option<error-code>;
}
25 changes: 16 additions & 9 deletions wit/deps/io/poll.wit
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Expand Up @@ -3,8 +3,21 @@ package wasi:io;
/// A poll API intended to let users wait for I/O events on multiple handles
/// at once.
interface poll {
/// A "pollable" handle.
resource pollable;
/// `pollable` epresents a single I/O event which may be ready, or not.
resource pollable {

/// Return the readiness of a pollable. This function never blocks.
///
/// Returns `true` when the pollable is ready, and `false` otherwise.
ready: func() -> bool;

/// `block` returns immediately if the pollable is ready, and otherwise
/// blocks until ready.
///
/// This function is equivalent to calling `poll.poll` on a list
/// containing only this pollable.
block: func();
}

/// Poll for completion on a set of pollables.
///
Expand All @@ -24,11 +37,5 @@ interface poll {
/// do any I/O so it doesn't fail. If any of the I/O sources identified by
/// the pollables has an error, it is indicated by marking the source as
/// being reaedy for I/O.
poll-list: func(in: list<borrow<pollable>>) -> list<u32>;

/// Poll for completion on a single pollable.
///
/// This function is similar to `poll-list`, but operates on only a single
/// pollable. When it returns, the handle is ready for I/O.
poll-one: func(in: borrow<pollable>);
poll: func(in: list<borrow<pollable>>) -> list<u32>;
}
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