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: / proc / self / root / opt / alt / ruby34 / share / ri / system / IO / Buffer /
Filename : locked-i.ri
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U:RDoc::AnyMethod[iI"locked:ETI"IO::Buffer#locked;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[	I"PAllows to process a buffer in exclusive way, for concurrency-safety. While ;TI"Pthe block is performed, the buffer is considered locked, and no other code ;TI"Ncan enter the lock. Also, locked buffer can't be changed with #resize or ;TI"#free.;To:RDoc::Markup::BlankLine�o;
;	[I"=The following operations acquire a lock: #resize, #free.;T@o;
;	[I"GLocking is not thread safe. It is designed as a safety net around ;TI"Qnon-blocking system calls. You can only share a buffer between threads with ;TI",appropriate synchronisation techniques.;T@o:RDoc::Markup::Verbatim;	[I" buffer = IO::Buffer.new(4)
;TI"buffer.locked? #=> false
;TI"
;TI"Fiber.schedule do
;TI"  buffer.locked do
;TI">    buffer.write(io) # theoretical system call interface
;TI"  end
;TI"	end
;TI"
;TI"Fiber.schedule do
;TI"G  # in `locked': Buffer already locked! (IO::Buffer::LockedError)
;TI"  buffer.locked do
;TI"&    buffer.set_string("test", 0)
;TI"  end
;TI"end;T:@format0:
@fileI"io_buffer.c;T:0@omit_headings_from_table_of_contents_below0I"locked { ... }
;T0[�I"();T@+FI"Buffer;TcRDoc::NormalClass00