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This lifts various restrictions on the runtime, for example the character limit
when logging a message. Right now the old debug!-style macros still involve
allocating (because they use fmt! syntax), but the new debug2! macros don't
involve allocating at all (unless the formatter for a type requires allocation.
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Added an overview with a 'real' example, as well as toy implementations of all of
the traits.
Closes #9356.
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This also includes a fix for yielding from single-threaded schedulers where the scheduler would stop working before its work queue was empty. Fixes the deadlocks that this patch had previously.
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Fix #7752.
~~(The glob API is a little funky; I tried to make a small test for it, which I'll add to the end of this description, and its not clear whether globfree is supposed to free solely the structure allocated by glob itself, or if it is going to try to free more than that.)~~ (The previous note was a user-error: I was misusing the CString API.)
Anyway, this seems to work in terms of calling errfunc where expected.)
```rust
#[allow(unused_imports)];
use std::libc::types::os::arch::c95::{c_char, c_int, size_t};
use std::libc::funcs::posix01::glob;
use std::libc::types::os::common::posix01::glob_t;
use std::libc::consts::os::posix01::{GLOB_APPEND, GLOB_DOOFFS, GLOB_ERR,
GLOB_MARK, GLOB_NOCHECK, GLOB_NOSORT,
GLOB_NOESCAPE, GLOB_NOSPACE,
GLOB_ABORTED, GLOB_NOMATCH};
use std::ptr;
use std::c_str;
#[fixed_stack_segment]
fn main() {
let mut g = glob_t {
gl_pathc: 0, // size_t,
__unused1: 0, // c_int,
gl_offs: 2, // size_t,
__unused2: 0, // c_int,
gl_pathv: ptr::null(), // **c_char,
__unused3: ptr::null(), // *c_void,
__unused4: ptr::null(), // *c_void,
__unused5: ptr::null(), // *c_void,
__unused6: ptr::null(), // *c_void,
__unused7: ptr::null(), // *c_void,
__unused8: ptr::null(), // *c_void,
};
extern "C" fn errfunc(_epath: *c_char, _errno: int) -> int {
println!("errfunc called");
return 0;
}
struct Reduced { pathc: size_t, offs: size_t, pathv: **c_char, }
impl Reduced {
fn from(g: &glob_t) -> Reduced {
Reduced {pathc: g.gl_pathc, offs: g.gl_offs, pathv: g.gl_pathv}
}
}
do ("*.rs/*").with_c_str |pat| {
println!("calling glob");
unsafe { glob::glob(pat, GLOB_DOOFFS, errfunc, &mut g); }
println!("After glob call");
println!("g: {:?}", Reduced::from(&g));
for i in range(0, g.gl_pathc as int) {
unsafe {
let p : **c_char = ptr::offset(g.gl_pathv, g.gl_offs as int + i);
let x = c_str::CString::new(*p, false);
match x.as_str() {
Some(s) => {
println!("gl_pathc[{:d}]: {:?}", i, s);
}
None => {
println!("gl_pathc[{:d}]: unvalid", i);
}
}
}
}
}
println!("calling globfree on g: {:?}", g);
unsafe { glob::globfree(&mut g); }
println!("after globfree call");
}
```
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If there's no TLS key just yet, then there's nothing to unsafely borrow, so
continue returning None. This prevents causing the runtime to abort itself when
logging before the runtime is fully initialized.
Closes #9487
r? @brson
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std::result: Remove function `map_opt`.
This function has never had any users in the tree, so this is my
initiative to remove this function.
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Moved OwnedStr doc comments from impl to trait.
Added a few #[inline] hints.
The doc comment changes make the source a bit harder to read, as
documentation and implementation no longer live right next to each
other. But this way they at least appear in the docs.
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This lifts various restrictions on the runtime, for example the character limit
when logging a message. Right now the old debug!-style macros still involve
allocating (because they use fmt! syntax), but the new debug2! macros don't
involve allocating at all (unless the formatter for a type requires allocation.
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find src -name '*.rs' | xargs sed -i '' 's/~~~.*{\.rust}/```rust/g'
find src -name '*.rs' | xargs sed -i '' 's/ ~~~$/ ```/g'
find src -name '*.rs' | xargs sed -i '' 's/^~~~$/ ```/g'
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r? @metajack
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If there's no TLS key just yet, then there's nothing to unsafely borrow, so
continue returning None. This prevents causing the runtime to abort itself when
logging before the runtime is fully initialized.
Closes #9487
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The old behaviour of `foo.n0()` is replaced by `foo.n0_ref().clone()`.
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Previously, any package would match any other package ID when searching
using the rust_path_hack, so long as the directory had one or more crate
files in it. Now, rustpkg checks that the parent directory matches the
package ID.
Closes #9273
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In "/src/libstd/char.rs", there are function and method definitions for `is_lowercase()`, `is_uppercase()`, `is_whitespace()`, etc. However, there was no function or method for control characters, so I added the `is_control()` function and method definitions along with documentation and tests. Running `./configure && make check` shows that all tests for `is_control()` pass.
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The old behaviour of `foo.n0()` is replaced by `foo.n0_ref().clone()`.
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#8431
~~@brson: do we need to bump up the cratemap version for this change?~~ Tis a no.
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Progress on #7981
This doesn't completely close the issue because `struct A;` is still allowed, and it's a much larger change to disallow that. I'm also not entirely sure that we want to disallow that. Regardless, punting that discussion to the issue instead.
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Progress on #7981
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old visitor
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Get rid of the crate_map arg!
r? @brson
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this is still broken on the bsd builder, perhaps because it has 1 core
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This has to leave rust_gen_seed and rng_gen_seed around since they're
used to initialise the std::rand RNGs.
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Also, documentation & general clean-up:
- remove `gen_char_from`: better served by `sample` or `choose`.
- `gen_bytes` generalised to `gen_vec`.
- `gen_int_range`/`gen_uint_range` merged into `gen_integer_range` and
made to be properly uniformly distributed. Fixes #8644.
Minor adjustments to other functions.
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This function has never had any users in the tree
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This guarantees that if there is work to do it will be found
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