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Rename io::timer::sleep, Timer::sleep, Timer::oneshot,
Timer::periodic, to sleep_ms, oneshot_ms, periodic_ms. These functions
all take an integer and interpret it as milliseconds.
Replacement functions will be added that take Duration.
[breaking-change]
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Taken from rust-chrono[1]. Needed for timers per #11189.
Experimental.
[1]: https://github.com/lifthrasiir/rust-chrono
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This is in the prelude and won't break much code.
[breaking-change]
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This required some contortions because importing both raw::Slice
and slice::Slice makes rustc crash.
Since `Slice` is in the prelude, this renaming is unlikely to
casue breakage.
[breaking-change]
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ImmutableVector -> ImmutableSlice
ImmutableEqVector -> ImmutableEqSlice
ImmutableOrdVector -> ImmutableOrdSlice
MutableVector -> MutableSlice
MutableVectorAllocating -> MutableSliceAllocating
MutableCloneableVector -> MutableCloneableSlice
MutableOrdVector -> MutableOrdSlice
These are all in the prelude so most code will not break.
[breaking-change]
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* The caller should be responsible for cleaning up file descriptors
* If a caller safely creates a file descriptor (via
native::io::file::open) the returned structure (FileDesc) will try to
clean up the file, failing in the process and writing error messages
to the screen.
* This should not happen as the caller has no public interface for
telling the FileDesc structure to NOT free the underlying fd.
* Alternatively, if another file is opened under the same fd held by
the FileDesc structure returned by native::io::file::open, it will
close the wrong file upon destruction.
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Implement `Index` for `RingBuf`, `HashMap`, `TreeMap`, `SmallIntMap`, and `TrieMap`.
If there’s anything that I missed or should be removed, let me know.
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This also deprecates HashMap::get. Use indexing instead.
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The fail macro defines some function/static items internally, which got
a dead_code warning when `fail!()` is used inside a dead function. This
is ugly and unnecessarily reveals implementation details, so the
warnings can be squashed.
Fixes #16192.
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This requires avoiding `quote_...!` for constructing the parts of the
__test module, since that stringifies and reinterns the idents, losing
the special gensym'd nature of them. (#15962.)
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default entrypoint of the --test binary.
This allows one to, e.g., run tests under libgreen by starting it
manually, passing in the test entrypoint.
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Several of the tests in `make check-fast` were failing so this fixes those tests.
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Fix typo. It's possible it's `These modules` but I think it's supposed to be singular because it's not refering to nested modules.
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This leaves the `Share` trait at `std::kinds` via a `#[deprecated]` `pub use`
statement, but the `NoShare` struct is no longer part of `std::kinds::marker`
due to #12660 (the build cannot bootstrap otherwise).
All code referencing the `Share` trait should now reference the `Sync` trait,
and all code referencing the `NoShare` type should now reference the `NoSync`
type. The functionality and meaning of this trait have not changed, only the
naming.
Closes #16281
[breaking-change]
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This leaves the `Share` trait at `std::kinds` via a `#[deprecated]` `pub use`
statement, but the `NoShare` struct is no longer part of `std::kinds::marker`
due to #12660 (the build cannot bootstrap otherwise).
All code referencing the `Share` trait should now reference the `Sync` trait,
and all code referencing the `NoShare` type should now reference the `NoSync`
type. The functionality and meaning of this trait have not changed, only the
naming.
Closes #16281
[breaking-change]
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Signed-off-by: Peter Atashian <retep998@gmail.com>
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This replaces many instances chars being casted to u8 with byte literals.
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This commit stabilizes the `std::sync::atomics` module, renaming it to
`std::sync::atomic` to match library precedent elsewhere, and tightening
up behavior around incorrect memory ordering annotations.
The vast majority of the module is now `stable`. However, the
`AtomicOption` type has been deprecated, since it is essentially unused
and is not truly a primitive atomic type. It will eventually be replaced
by a higher-level abstraction like MVars.
Due to deprecations, this is a:
[breaking-change]
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Apparently the units are in milliseconds, not in seconds!
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This commit stabilizes the `std::sync::atomics` module, renaming it to
`std::sync::atomic` to match library precedent elsewhere, and tightening
up behavior around incorrect memory ordering annotations.
The vast majority of the module is now `stable`. However, the
`AtomicOption` type has been deprecated, since it is essentially unused
and is not truly a primitive atomic type. It will eventually be replaced
by a higher-level abstraction like MVars.
Due to deprecations, this is a:
[breaking-change]
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As discovered in #15460, a particular #[link(kind = "static", ...)] line is not
actually guaranteed to link the library at all. The reason for this is that if
the external library doesn't have any referenced symbols in the object generated
by rustc, the entire library is dropped by the linker.
For dynamic native libraries, this is solved by passing -lfoo for all downstream
compilations unconditionally. For static libraries in rlibs this is solved
because the entire archive is bundled in the rlib. The only situation in which
this was a problem was when a static native library was linked to a rust dynamic
library.
This commit brings the behavior of dylibs in line with rlibs by passing the
--whole-archive flag to the linker when linking native libraries. On OSX, this
uses the -force_load flag. This flag ensures that the entire archive is
considered candidate for being linked into the final dynamic library.
This is a breaking change because if any static library is included twice in the
same compilation unit then the linker will start emitting errors about duplicate
definitions now. The fix for this would involve only statically linking to a
library once.
Closes #15460
[breaking-change]
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Apparently the units are in milliseconds, not in seconds!
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This removes the ability of the borrow checker to determine that repeated dereferences of a Box<T> refer to the same memory object.
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This was motivated by a desire to remove allocation in the common
pattern of
let old = key.replace(None)
do_something();
key.replace(old);
This also switched the map representation from a Vec to a TreeMap. A Vec
may be reasonable if there's only a couple TLD keys, but a TreeMap
provides better behavior as the number of keys increases.
Like the Vec, this TreeMap implementation does not shrink the container
when a value is removed. Unlike Vec, this TreeMap implementation cannot
reuse an empty node for a different key. Therefore any key that has been
inserted into the TLD at least once will continue to take up space in
the Map until the task ends. The expectation is that the majority of
keys that are inserted into TLD will be expected to have a value for
most of the rest of the task's lifetime. If this assumption is wrong,
there are two reasonable ways to fix this that could be implemented in
the future:
1. Provide an API call to either remove a specific key from the TLD and
destruct its node (e.g. `remove()`), or instead to explicitly clean
up all currently-empty nodes in the map (e.g. `compact()`). This is
simple, but requires the user to explicitly call it.
2. Keep track of the number of empty nodes in the map and when the map
is mutated (via `replace()`), if the number of empty nodes passes
some threshold, compact it automatically. Alternatively, whenever a
new key is inserted that hasn't been used before, compact the map at
that point.
---
Benchmarks:
I ran 3 benchmarks. tld_replace_none just replaces the tld key with None
repeatedly. tld_replace_some replaces it with Some repeatedly. And
tld_replace_none_some simulates the common behavior of replacing with
None, then replacing with the previous value again (which was a Some).
Old implementation:
test tld_replace_none ... bench: 20 ns/iter (+/- 0)
test tld_replace_none_some ... bench: 77 ns/iter (+/- 4)
test tld_replace_some ... bench: 57 ns/iter (+/- 2)
New implementation:
test tld_replace_none ... bench: 11 ns/iter (+/- 0)
test tld_replace_none_some ... bench: 23 ns/iter (+/- 0)
test tld_replace_some ... bench: 12 ns/iter (+/- 0)
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Errors can be printed with {}, printing with {:?} does not work very
well.
Not actually related to this PR, but it came up when running the tests
and now is as good a time to fix it as any.
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A larger example for `std::rand`.
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unix-specific
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last commit.
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Not included are two required patches:
* LLVM: segmented stack support for DragonFly [1]
* jemalloc: simple configure patches
[1]: http://reviews.llvm.org/D4705
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Smaller text size.
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I wanted to add an implementation of `Default` inside the bitflags macro, but `Default` isn't in the prelude, which means anyone who wants to use `bitflags!` needs to import it. This seems not nice, so I've just implemented for `FilePermission` instead.
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