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72 Коммитов

Автор SHA1 Сообщение Дата
Samuel Williams c5cf4d4e12
Improve behavioural consistency of unallocated (zero length) `IO::Buffer`. (#9532) 
This makes the behaviour of IO::Buffer.new(0) and IO::Buffer.new.slice(0, 0) consistent.

Fixes https://bugs.ruby-lang.org/issues/19542 and https://bugs.ruby-lang.org/issues/18805.
 2024-01-15 10:47:13 +13:00
Samuel Williams e5a4f757bd
Fix Window private file mapping unlink EACCES issue. (#9358) 
* Don't return early.

* Add missing `mapping` assignment.

* Make debug logs conditional.
 2023-12-27 00:36:56 +13:00
Samuel Williams 260bf60e52
Correctly release the underlying file mapping. (#9340) 
* Avoiding using `Tempfile` which was retaining the file preventing it from unlinking.
 2023-12-25 14:20:53 +13:00
Samuel Williams 37753f163e
IO::Buffer improvements and documentation. (#9329) 
* Restore experimental warnings.

* Documentation and code structure improvements.

* Improved validation of flags, clarified documentation of argument handling.

* Remove inconsistent use of `Example:` and add example to `null?`.

* Expose `IO::Buffer#private?` and add test.
 2023-12-25 02:03:36 +13:00
Peter Zhu 8e6f63df47 Implement IO::Buffer on VWA 2023-12-19 09:13:20 -05:00
Nobuyoshi Nakada 835f1461f7
[DOC] Add document of IO::Buffer#hexdump 2023-12-18 20:17:44 +09:00
Peter Zhu c5e3d6da9c Implement Write Barriers on IO::Buffer 
Benchmark:

```
require "benchmark"

puts(Benchmark.measure do
  ary = 1_000_000.times.map { IO::Buffer.for("") }

  10.times { GC.start(full_mark: false) }
end)
```

Before:

```
14.330119   0.051497  14.381616 ( 14.445106)
```

After:

```
7.481152   0.040166   7.521318 (  7.535209)
```
 2023-12-14 12:22:38 -05:00
Peter Zhu 2350c79462 Use xfree for IO::Buffer 
Since IO::Buffer is allocated using TypedData_Make_Struct, it must use
xfree to free the buffer otherwise it will cause more major GC to run.

Example:

```
10.times do
  1_000_000.times { IO::Buffer.new(0) }

  puts "oldmalloc_increase_bytes: #{GC.stat(:oldmalloc_increase_bytes)}, major_gc_count: #{GC.stat(:major_gc_count)}"
end
```

Before:

```
oldmalloc_increase_bytes: 14904176, major_gc_count: 3
oldmalloc_increase_bytes: 2399424, major_gc_count: 5
oldmalloc_increase_bytes: 5204640, major_gc_count: 6
oldmalloc_increase_bytes: 2199936, major_gc_count: 7
oldmalloc_increase_bytes: 34199936, major_gc_count: 7
oldmalloc_increase_bytes: 24223360, major_gc_count: 8
oldmalloc_increase_bytes: 5967616, major_gc_count: 9
oldmalloc_increase_bytes: 37967616, major_gc_count: 9
oldmalloc_increase_bytes: 9689792, major_gc_count: 10
oldmalloc_increase_bytes: 41689792, major_gc_count: 10
```

After:

```
oldmalloc_increase_bytes: 117392, major_gc_count: 2
oldmalloc_increase_bytes: 26128, major_gc_count: 2
oldmalloc_increase_bytes: 71600, major_gc_count: 2
oldmalloc_increase_bytes: 117072, major_gc_count: 2
oldmalloc_increase_bytes: 17296, major_gc_count: 2
oldmalloc_increase_bytes: 62768, major_gc_count: 2
oldmalloc_increase_bytes: 108240, major_gc_count: 2
oldmalloc_increase_bytes: 153712, major_gc_count: 2
oldmalloc_increase_bytes: 53936, major_gc_count: 2
oldmalloc_increase_bytes: 99408, major_gc_count: 2
```
 2023-12-12 18:47:58 -05:00
Samuel Williams 00467699a9
Don't warn generally for `IO::Buffer`, only on specific code paths e.g. `map`. (#9131) 2023-12-06 13:42:45 +13:00
Samuel Williams a095740fed
Fix `io_buffer_get_string` default length computation. (#8427) 
* Fix `io_buffer_get_string` default length computation.

When an offset bigger than the size is given, the resulting length will be
computed incorrectly. Raise an argument error in this case.

* Validate all arguments.
 2023-09-14 20:37:43 +12:00
Nobuyoshi Nakada 19346c2336
[Bug #19754] Make `IO::Buffer#get_string` check `offset` range (#8016) 2023-09-13 09:45:26 +12:00
Samuel Williams f0b43597ff
[DOC] Improved documentation. (#8319) 2023-08-29 23:53:28 +12:00
Samuel Williams bf1bc5362e
Improve `read`/`write`/`pread`/`pwrite` consistency. (#7860) 
* Documentation consistency.

* Improve consistency of `pread`/`pwrite` implementation when given length.

* Remove HAVE_PREAD / HAVE_PWRITE - it is no longer optional.
 2023-05-27 18:48:47 +09:00
Samuel Williams 135a0d26a1
Improvements to `IO::Buffer` `read`/`write`/`pread`/`pwrite`. (#7826) 
- Fix IO::Buffer `read`/`write` to use a minimum length.
 2023-05-24 10:17:35 +09:00
Samuel Williams bd786e7896
Fix mutation on shared strings. (#7837) 2023-05-22 12:58:17 +09:00
Samuel Williams bcb16eb1e5
Rename `data` -> `buffer` for better readability. (#7836) 2023-05-22 12:27:20 +09:00
Samuel Williams 648870b5c5
Support `IO#pread` / `IO#pwrite` using fiber scheduler. (#7594) 
* Skip test if non-blocking file IO is not supported.
 2023-03-31 00:48:55 +13:00
Samuel Williams 466aa8010f
Fix incorrect usage of `rb_fiber_scheduler_io_(p)(read|write)`. (#7593) 2023-03-25 18:36:27 +13:00
Kasumi Hanazuki 09295ea796
IO::Buffer#resize: Free internal buffer if new size is zero (#7569) 
`#resize(0)` on an IO::Buffer with internal buffer allocated will
result in calling `realloc(data->base, 0)`. The behavior of `realloc`
with size = 0 is implementation-defined (glibc frees the object
and returns NULL, while BSDs return an inaccessible object). And
thus such usage is deprecated in standard C (upcoming C23 will make it
UB).

To avoid this problem, just `free`s the memory when the new size is zero.
 2023-03-25 12:12:23 +13:00
John Bampton 2f7270c681
Fix spelling (#7389) 2023-02-27 09:56:06 -08:00
Nobuyoshi Nakada ef00c6da88
Adjust `else` style to be consistent in each files [ci skip] 2023-02-26 13:20:43 +09:00
Samuel Williams d0031db9b3
Prefer RB_NUM2LONG for string length. (#7379) 2023-02-25 23:04:10 +13:00
Samuel Williams 57bc3f2f46
Add `IO::Buffer.string` for efficient string creation. (#7364) 2023-02-25 18:40:26 +13:00
Nobuyoshi Nakada 3b567eb491
[Bug #19459] Remove unnecessary always-true checks (#7362) 
`length` is a required argument for `IO::Buffer#read` and
`IO::Buffer#write` methods, and `argc` is already checked with
`rb_check_arity`.  Also fix the call-seq of `IO::Buffer#read`.
 2023-02-23 18:40:13 +13:00
Victor Shepelev c3c116f6a6
[DOC] Document new methods of IO::Buffer and Fiber::Scheduler (#7016) 
Co-authored-by: Samuel Williams <samuel.williams@oriontransfer.co.nz>
 2022-12-24 11:48:58 +13:00
Samuel Williams 11ad9a42d7
Fix missing handling of offset argument in `IO::Buffer` `pread` and `pwrite`. (#7012) 2022-12-24 07:52:10 +13:00
Nobuyoshi Nakada f28e79caaa
Use consistent style [ci skip] 2022-12-02 23:46:21 +09:00
Yudai Takada 29e6d97517
Fix typos (#6775) 
* s/Innteger/Integer/

* s/diretory/directory/

* s/Bufer/Buffer/

* s/defalt/default/

* s/covearge/coverage/
 2022-11-20 21:07:18 -08:00
S-H-GAMELINKS 1f4f6c9832 Using UNDEF_P macro 2022-11-16 18:58:33 +09:00
Yusuke Nakamura 5344618cb7 [DOC] Fix IO::Buffer#slice rdoc position 
Before this change, rdoc shows empty in 'slice' method section
 2022-11-03 14:40:17 -04:00
Nobuyoshi Nakada 287eac5e8e Fix format specifiers for `size_t` 2022-10-26 18:57:26 +09:00
Samuel Williams fc3137ef54
Add support for anonymous shared IO buffers. (#6580) 2022-10-19 18:53:38 +13:00
Samuel Williams ced1d17280
Improvements to IO::Buffer implementation and documentation. (#6525) 2022-10-12 12:59:05 +13:00
Samuel Williams 411d0eec11
Update `IO::Buffer` read/write to use rb_thread_io_blocking_region. (#6438) 2022-09-26 19:37:28 +13:00
Samuel Williams 025b8701c0
Add several new methods for getting and setting buffer contents. (#6434) 2022-09-26 18:06:12 +13:00
Nobuyoshi Nakada e2ccb316b4 [Bug #5317] Use `rb_off_t` instead of `off_t` 
Get rid of the conflict with system-provided small `off_t`.
 2022-09-08 23:01:07 +09:00
Nobuyoshi Nakada f42230ff22
Adjust styles [ci skip] 2022-07-27 18:42:27 +09:00
Nobuyoshi Nakada 8b9d4b2ce6
Append semicolons [ci skip] 2022-07-27 18:25:29 +09:00
Nobuyoshi Nakada 852ac26e83
Make indents and newlines consistent [ci skip] 2022-07-27 17:45:21 +09:00
Shannon Skipper 2b4a1ad584 Fix a variable name typo in the docs 2022-06-25 11:29:08 +12:00
Nobuyoshi Nakada b180ffa622
Fix warnings by old gcc 
* Use PRIxSIZE instead of "z"
* Fix sign-compare warning
* Suppress unused-but-set-variable warning
 2022-06-23 22:52:45 +09:00
Samuel Williams cea34bd808
Add basic binary operators (and, or, xor, not) to `IO::Buffer`. (#5893) 2022-05-09 17:19:01 +12:00
Kazuhiro NISHIYAMA dc9a13abee
Fix rdoc of IO::Buffer [ci skip] 2022-05-09 09:09:29 +09:00
Samuel Williams ef525b012a
Explicit handling of frozen strings in `IO::Buffer#for`. (#5892) 2022-05-09 11:03:04 +12:00
Yuta Saito ae51f304d2 io_buffer.c: use mremap based resizing only when mremap available 
some libc implementations (e.g. wasi-libc) define MREMAP_MAYMOVE, but
don't have mremap itself, so guard the use of mremap by HAVE_MREMAP
 2022-01-07 02:13:19 +09:00
Samuel Williams 03d97cc966
Remove UTF-8 from documentation. 2022-01-02 21:47:50 +13:00
Victor Shepelev e7c2d5cc02
[DOC] Adjust IO::Buffer docs (#5374) 2022-01-02 21:43:01 +13:00
Kazuhiro NISHIYAMA 04f07713d1
Fix typos [ci skip] 2021-12-25 10:33:49 +09:00
Samuel Williams bed920f073
Add fiber scheduler hooks for `pread`/`pwrite`, and add support to `IO::Buffer`. 2021-12-23 12:20:09 +13:00
Samuel Williams e30920354f
Extended interface for IO::Buffer & documentation. 2021-12-22 10:57:34 +13:00