pub struct EventsChainRegion<const Q: usize> { /* private fields */ }Expand description
File-backed events-chain region (one slot pool + Q SPSC queues + Q MPSC queues of slot indices).
Implementations§
Source§impl<const Q: usize> EventsChainRegion<Q>
impl<const Q: usize> EventsChainRegion<Q>
Sourcepub fn open(name: &str) -> Result<Self, Error>
pub fn open(name: &str) -> Result<Self, Error>
Open (or create) an events-chain region using the default path for name.
Sourcepub fn open_with(name: &str, options: OpenOptions) -> Result<Self, Error>
pub fn open_with(name: &str, options: OpenOptions) -> Result<Self, Error>
Open (or create) an events-chain region using explicit options.
Sourcepub fn open_path(path: impl AsRef<Path>) -> Result<Self, Error>
pub fn open_path(path: impl AsRef<Path>) -> Result<Self, Error>
Open (or create) an events-chain region backed by path.
Sourcepub fn open_path_with(
path: impl AsRef<Path>,
options: OpenOptions,
) -> Result<Self, Error>
pub fn open_path_with( path: impl AsRef<Path>, options: OpenOptions, ) -> Result<Self, Error>
Open (or create) an events-chain region backed by path with explicit options.
Sourcepub fn mapping_info(&self) -> MappingInfo
pub fn mapping_info(&self) -> MappingInfo
Return OS-facing metadata about the mapped backing region.
Sourcepub fn queue_spsc(
&self,
idx: usize,
) -> Result<(ChainSpscSender, ChainSpscReceiver), Error>
pub fn queue_spsc( &self, idx: usize, ) -> Result<(ChainSpscSender, ChainSpscReceiver), Error>
Split queue idx into (sender, receiver) handles.
This is a convenience wrapper around indexbus_core::split_chain_spsc.
Sourcepub fn queue_mpsc(
&self,
idx: usize,
) -> Result<(ChainMpscProducer, ChainMpscConsumer), Error>
pub fn queue_mpsc( &self, idx: usize, ) -> Result<(ChainMpscProducer, ChainMpscConsumer), Error>
Split MPSC queue idx into (producer, consumer) handles.
This is a convenience wrapper around indexbus_core::split_chain_mpsc.
Trait Implementations§
impl<const Q: usize> Send for EventsChainRegion<Q>
impl<const Q: usize> Sync for EventsChainRegion<Q>
Auto Trait Implementations§
impl<const Q: usize> Freeze for EventsChainRegion<Q>
impl<const Q: usize> !RefUnwindSafe for EventsChainRegion<Q>
impl<const Q: usize> Unpin for EventsChainRegion<Q>
impl<const Q: usize> !UnwindSafe for EventsChainRegion<Q>
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more