Module: SubSpawn::POSIX::Internal::OpenPTY

Extended by:
FFI::Library
Defined in:
lib/subspawn/posix/ffi_helper.rb

Class Method Summary collapse

Class Method Details

.call(termios: nil, winsize: nil) ⇒ Object 



29
30
31
32
33
34
35
36
37
 
# File 'lib/subspawn/posix/ffi_helper.rb', line 29

def self.call(termios: nil, winsize: nil)
	FFI::MemoryPointer.new(:int, 2) do |fds|
		FFI::MemoryPointer.new(:char, 4096) do |name| # max on linux = 4096
			ret = self.openpty(fds[0], fds[1], name, termios, winsize)
			raise SystemCallError.new("OpenPTY Error", LFP.errno) unless ret == 0
			return [*fds.read_array_of_int(2), name.read_string]
		end
	end
end