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黄新宇
RoboPLC
Commits
30710bf6
提交
30710bf6
authored
7月 28, 2024
作者:
Serhij S
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CHANGELOG.md
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CHANGELOG.md
浏览文件 @
30710bf6
...
@@ -6,6 +6,8 @@
...
@@ -6,6 +6,8 @@
*
Custom real-time locking policies
*
Custom real-time locking policies
*
[
RTSC
](
https://crates.io/crates/rtsc
)
0.3 integration
*
Stability and architecture improvements
*
Stability and architecture improvements
*
[
RFlow
](
https://crates.io/crates/rflow
)
integration
*
[
RFlow
](
https://crates.io/crates/rflow
)
integration
...
...
README.md
浏览文件 @
30710bf6
...
@@ -62,17 +62,17 @@ width="550" />
...
@@ -62,17 +62,17 @@ width="550" />
*
classic pub/sub patterns with no data serialization overhead
*
classic pub/sub patterns with no data serialization overhead
*
based on
[
`p
channel`
]
which allows to mix different kinds of data and apply
*
based on
[
`p
olicy_channel`
]
which allows to mix different kinds of data and
additional policies if required
a
pply a
dditional policies if required
*
a fully passive model with no "server" thread.
*
a fully passive model with no "server" thread.
## pdeque and pchannel
## pdeque and p
olicy_
channel
A policy-based deque
[
`rtsc::pdeque::Deque`
]
is a component to build policy-based
A policy-based deque
[
`rtsc::pdeque::Deque`
]
is a component to build policy-based
channels.
channels.
[
`pchannel`
]
is a channel module, based on the policy-based deque.
[
`p
olicy_
channel`
]
is a channel module, based on the policy-based deque.
Data policies supported:
Data policies supported:
...
@@ -88,11 +88,11 @@ Additionally, components support ordering by data priority and automatically
...
@@ -88,11 +88,11 @@ Additionally, components support ordering by data priority and automatically
drop expired data if the data type has got an expiration marker method
drop expired data if the data type has got an expiration marker method
implemented.
implemented.
[
`p
channel`
]
is a real-time safe channel, mean it may be not so fast as popular
[
`p
olicy_channel`
]
is a real-time safe channel, mean it may be not so fast as
channel implementations (it may be even slower than channels provided by
popular channel implementations (it may be even slower than channels provided
[
`std::sync::mpsc`
]
). But it is
**completely safe for real-time applications**
,
by
[
`std::sync::mpsc`
]
). But it is
**
completely safe for real-time
mean there are no spin loops, data is always delivered with minimal latency and
applications
**
, mean there are no spin loops, data is always delivered with
threads do not block each other.
minimal latency and
threads do not block each other.
## Real-time
## Real-time
...
@@ -159,18 +159,18 @@ Linux machines only.
...
@@ -159,18 +159,18 @@ Linux machines only.
## Migration from 0.3.x
## Migration from 0.3.x
*
[
`roboplc::pchannel`
]
and
[
`roboplc::pchannel_async`
]
have been renamed to
*
`pchannel`
and
`pchannel_async`
have been renamed to
[
`policy_channel`
]
and
[
`roboplc::policy_channel`
]
and
[
`roboplc::policy_channel_async`
]
[
`policy_channel_async`
]
respectively.
respectively.
*
By default, the crate uses
`parking_lot`
for locking. To switch to more safe
*
By default, the crate uses
real-time locking, disable the crate default features and enable either
[
parking_lot
](
https://crates.io/crates/parking_lot
)
for locking. To switch to
`locking-rt`
or
`locking-rt-safe`
. THIS IS IMPORTANT FOR REAL-TIME
more safe real-time locking, disable the crate default features and enable
APPLICATIONS AND MUST BE ENABLED MANUALLY.
either
`locking-rt`
or
`locking-rt-safe`
.
**
This is important for real-time
applications and must be enabled manually
**
.
*
As
[
RTSC
](
https://crates.io/crates/rtsc
)
components are lock-agnostic, which
*
As
[
RTSC
](
https://crates.io/crates/rtsc
)
components are lock-agnostic, which
requires to specify generic locking types, the modules
[
`
roboplc::
channel`
]
,
requires to specify generic locking types, the modules
[
`channel`
]
,
[
`
roboplc::policy_channel`
]
,
[
`roboplc::buf`
]
and
[
`roboplc::semaphore`
]
are
[
`
policy_channel`
]
,
[
`buf`
]
and
[
`semaphore`
]
are now wrappers around RTSC
now wrappers around RTSC
modules with the chosen locking policy.
modules with the chosen locking policy.
*
[
`
roboplc::
hub_async`
]
now requires
`async`
feature to be enabled.
*
[
`hub_async`
]
now requires
`async`
feature to be enabled.
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