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Add fiber scheduler hooks for pread/pwrite, and add support to IO::Buffer.

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Samuel Williams 2021-12-23 12:20:09 +13:00 • committed by GitHub
parent 91c5c1c132
commit bed920f073
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Notes: git 2021-12-23 08:20:31 +09:00 
Merged: https://github.com/ruby/ruby/pull/5249

Merged-By: ioquatix <samuel@codeotaku.com>
6 changed files with 288 additions and 2 deletions
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26
include/ruby/fiber/scheduler.h
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@ -261,6 +261,32 @@ VALUE rb_fiber_scheduler_io_read(VALUE scheduler, VALUE io, VALUE buffer, size_t
*/
VALUE rb_fiber_scheduler_io_write(VALUE scheduler, VALUE io, VALUE buffer, size_t length);
/**
* Nonblocking read from the passed IO at the specified offset.
*
* @param[in] scheduler Target scheduler.
* @param[out] io An io object to read from.
* @param[out] buffer Return buffer.
* @param[in] length Requested number of bytes to read.
* @param[in] offset The offset in the given IO to read the data from.
* @retval RUBY_Qundef `scheduler` doesn't have `#io_read`.
* @return otherwise What `scheduler.io_read` returns.
*/
VALUE rb_fiber_scheduler_io_pread(VALUE scheduler, VALUE io, VALUE buffer, size_t length, off_t offset);
/**
* Nonblocking write to the passed IO at the specified offset.
*
* @param[in] scheduler Target scheduler.
* @param[out] io An io object to write to.
* @param[in] buffer What to write.
* @param[in] length Number of bytes to write.
* @param[in] offset The offset in the given IO to write the data to.
* @retval RUBY_Qundef `scheduler` doesn't have `#io_write`.
* @return otherwise What `scheduler.io_write` returns.
*/
VALUE rb_fiber_scheduler_io_pwrite(VALUE scheduler, VALUE io, VALUE buffer, size_t length, off_t offset);
/**
* Nonblocking read from the passed IO using a native buffer.
*