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Add support for anonymous shared IO buffers. (#6580)

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Samuel Williams 2022-10-19 18:53:38 +13:00 • committed by GitHub
parent f982a26374
commit fc3137ef54
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Notes: git 2022-10-19 05:54:07 +00:00 
Merged-By: ioquatix <samuel@codeotaku.com>
3 changed files with 52 additions and 3 deletions
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include/ruby/io/buffer.h
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@ -37,6 +37,9 @@ enum rb_io_buffer_flags {
// A non-private mapping is marked as external.
RB_IO_BUFFER_MAPPED = 4,
// A mapped buffer that is also shared.
RB_IO_BUFFER_SHARED = 8,
// The buffer is locked and cannot be resized.
// More specifically, it means we can't change the base address or size.
// A buffer is typically locked before a system call that uses the data.