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Closes #8118, #7136
~~~rust
extern mod extra;
use std::vec;
use std::ptr;
fn bench_from_elem(b: &mut extra::test::BenchHarness) {
do b.iter {
let v: ~[u8] = vec::from_elem(1024, 0u8);
}
}
fn bench_set_memory(b: &mut extra::test::BenchHarness) {
do b.iter {
let mut v: ~[u8] = vec::with_capacity(1024);
unsafe {
let vp = vec::raw::to_mut_ptr(v);
ptr::set_memory(vp, 0, 1024);
vec::raw::set_len(&mut v, 1024);
}
}
}
fn bench_vec_repeat(b: &mut extra::test::BenchHarness) {
do b.iter {
let v: ~[u8] = ~[0u8, ..1024];
}
}
~~~
Before:
test bench_from_elem ... bench: 415 ns/iter (+/- 17)
test bench_set_memory ... bench: 85 ns/iter (+/- 4)
test bench_vec_repeat ... bench: 83 ns/iter (+/- 3)
After:
test bench_from_elem ... bench: 84 ns/iter (+/- 2)
test bench_set_memory ... bench: 84 ns/iter (+/- 5)
test bench_vec_repeat ... bench: 84 ns/iter (+/- 3)
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pull request for #8011
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To be more specific:
`UPPERCASETYPE` was changed to `UppercaseType`
`type_new` was changed to `Type::new`
`type_function(value)` was changed to `value.method()`
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Implements various missing tcp & udp methods.. Also fixes handling ipv4-mapped/compatible ipv6 addresses and addresses the XXX on `status_to_maybe_uv_error`.
r? @brson
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This moves the raw struct layout of closures, vectors, boxes, and strings into a
new `unstable::raw` module. This is meant to be a centralized location to find
information for the layout of these values.
As safe method, `unwrap`, is provided to convert a rust value to its raw
representation. Unsafe methods to convert back are not provided because they are
rarely used and too numerous to write an implementation for each (not much of a
common pattern).
This is progress on #6790. I tried to get a nice interface for a trait to implement in the raw module, but I was unable to come up with one. The hard part is that there are so many different directions to go from one way to another that it's difficult to find a pattern to follow to implement a trait with. Someone else might have some better luck though.
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This moves the raw struct layout of closures, vectors, boxes, and strings into a
new `unstable::raw` module. This is meant to be a centralized location to find
information for the layout of these values.
As safe method, `repr`, is provided to convert a rust value to its raw
representation. Unsafe methods to convert back are not provided because they are
rarely used and too numerous to write an implementation for each (not much of a
common pattern).
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This is a cleanup pull request that does:
* removes `os::as_c_charp`
* moves `str::as_buf` and `str::as_c_str` into `StrSlice`
* converts some functions from `StrSlice::as_buf` to `StrSlice::as_c_str`
* renames `StrSlice::as_buf` to `StrSlice::as_imm_buf` (and adds `StrSlice::as_mut_buf` to match `vec.rs`.
* renames `UniqueStr::as_bytes_with_null_consume` to `UniqueStr::to_bytes`
* and other misc cleanups and minor optimizations
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These uses are assuming the strings are null terminated, so it
should be using `as_c_str` instead of `as_buf`
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Place `pub` or `priv` on individual items instead.
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blocking fastpath.
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Updated all users of HashMap, HashSet ::consume() to use
.consume_iter().
Since .consume_iter() takes the map or set by value, it needs awkward
extra code to in librusti's use of @mut HashMap, where the map value can
not be directly moved out.
Addresses issue #7719
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Updated all users of HashMap, HashSet old .consume() to use .consume()
with a for loop.
Since .consume() takes the map or set by value, it needs awkward
extra code to in librusti's use of @mut HashMap, where the map value can
not be directly moved out.
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Also ends up fixing one case in libstd.
Closes #3395
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Also ends up fixing one case in libstd
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r? @graydon, @nikomatsakis, @pcwalton, or @catamorphism
Sorry this is so huge, but it's been accumulating for about a month. There's lots of stuff here, mostly oriented toward enabling multithreaded scheduling and improving compatibility between the old and new runtimes. Adds task pinning so that we can create the 'platform thread' in servo.
[Here](https://github.com/brson/rust/blob/e1555f9b5628af2b6c6ed344cad621399cb7684d/src/libstd/rt/mod.rs#L201) is the current runtime setup code.
About half of this has already been reviewed.
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The free-standing functions in f32, f64, i8, i16, i32, i64, u8, u16,
u32, u64, float, int, and uint are replaced with generic functions in
num instead.
This means that instead of having to know everywhere what the type is, like
~~~
f64::sin(x)
~~~
You can simply write code that uses the type-generic versions in num instead, this works for all types that implement the corresponding trait in num.
~~~
num::sin(x)
~~~
Note 1: If you were previously using any of those functions, just replace them
with the corresponding function with the same name in num.
Note 2: If you were using a function that corresponds to an operator, use the
operator instead.
Note 3: This is just https://github.com/mozilla/rust/pull/7090 reopened against master.
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Conflicts:
src/libextra/test.rs
src/libstd/rt/global_heap.rs
src/libstd/unstable/lang.rs
src/libstd/vec.rs
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The free-standing functions in f32, f64, i8, i16, i32, i64, u8, u16,
u32, u64, float, int, and uint are replaced with generic functions in
num instead.
If you were previously using any of those functions, just replace them
with the corresponding function with the same name in num.
Note: If you were using a function that corresponds to an operator, use
the operator instead.
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They simply byte-swap an integer to a specific endian, like the hton* functions in C.
These intrinsics are synthesized, so maybe they should be in another file. But since they are just a single line of code each, based on the bswap intrinsics and aren't really intended for public consumption I thought they would fit in the intrinsics file.
The next step working on this could be to expose a trait / generic function for byteswapping.
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Conflicts:
src/libextra/test.rs
src/libstd/at_vec.rs
src/libstd/cleanup.rs
src/libstd/rt/comm.rs
src/libstd/rt/global_heap.rs
src/libstd/task/spawn.rs
src/libstd/unstable/lang.rs
src/libstd/vec.rs
src/rt/rustrt.def.in
src/test/run-pass/extern-pub.rs
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of tasks as a component of coroutines.
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* stop using an atomic counter, this has a significant cost and
valgrind will already catch these leaks
* remove the extra layer of function calls
* remove the assert of non-null in free, freeing null is well defined
but throwing a failure from free will not be
* stop initializing the `prev`/`next` pointers
* abort on out-of-memory, failing won't necessarily work
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Instead of determining paths from the path tag, we iterate through
modules' children recursively in the metadata. This will allow for
lazy external module resolution.
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