everything related to duct tape audio suite (dtas)
 help / color / mirror / Atom feed
4c3203dcbe69d5791c676431429965a488449b9a blob 1343 bytes (raw)

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
 
# Copyright (C) 2013-2019 all contributors <dtas-all@nongnu.org>
# License: GPL-3.0+ <https://www.gnu.org/licenses/gpl-3.0.txt>
# frozen_string_literal: true
require_relative '../dtas'
require_relative 'writable_iter'
require_relative 'nonblock'

# pipe wrapper for -player sinks
class DTAS::Pipe < DTAS::Nonblock # :nodoc:
  include DTAS::WritableIter
  attr_accessor :sink

  if RUBY_PLATFORM =~ /linux/i && File.readable?('/proc/sys/fs/pipe-max-size')
    F_SETPIPE_SZ = 1031
    F_GETPIPE_SZ = 1032
  end

  def self.new
    _, w = rv = pipe
    w.writable_iter_init
    rv
  end

  def pipe_size=(nr)
    fcntl(F_SETPIPE_SZ, nr) if defined?(F_SETPIPE_SZ)
  rescue Errno::EINVAL # old kernel
  rescue Errno::EPERM
    # resizes fail if Linux is close to the pipe limit for the user
    # or if the user does not have permissions to resize
  end

  def pipe_size
    fcntl(F_GETPIPE_SZ)
  end if defined?(F_GETPIPE_SZ)

  # avoid syscall, we never change IO#nonblock= directly
  def nonblock?
    false
  end
end

# for non-blocking sinks, this avoids extra fcntl(..., F_GETFL) syscalls
# We don't need fcntl at all for splice/tee in Linux
# For non-Linux, we write_nonblock/read_nonblock already call fcntl()
# behind our backs, so there's no need to repeat it.
class DTAS::PipeNB < DTAS::Pipe # :nodoc:
  def nonblock?
    true
  end
end
debug log:

solving 4c3203d ...
found 4c3203d in https://80x24.org/dtas.git

everything related to duct tape audio suite (dtas)

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://80x24.org/dtas-all
	git clone --mirror http://ou63pmih66umazou.onion/dtas-all

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V1 dtas-all dtas-all/ https://80x24.org/dtas-all \
		dtas-all@nongnu.org
	public-inbox-index dtas-all

Example config snippet for mirrors.
Newsgroups are available over NNTP:
	nntp://news.public-inbox.org/inbox.comp.audio.dtas
	nntp://ou63pmih66umazou.onion/inbox.comp.audio.dtas
 note: .onion URLs require Tor: https://www.torproject.org/

code repositories for the project(s) associated with this inbox:

	dtas.git

AGPL code for this site: git clone https://public-inbox.org/public-inbox.git