Class: DockerToolkit::ChildProcess::Unix::Lib::FileActions

Inherits:
Object
  • Object
show all
Defined in:
lib/docker_toolkit/childprocess/unix/lib.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ FileActions

Returns a new instance of FileActions.



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# File 'lib/docker_toolkit/childprocess/unix/lib.rb', line 101

def initialize
  @ptr = FFI::MemoryPointer.new(1, Platform::SIZEOF.fetch(:posix_spawn_file_actions_t), false)
  Lib.check Lib.posix_spawn_file_actions_init(@ptr)
end

Instance Method Details

#add_close(fileno) ⇒ Object 



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# File 'lib/docker_toolkit/childprocess/unix/lib.rb', line 106

def add_close(fileno)
  Lib.check Lib.posix_spawn_file_actions_addclose(
    @ptr,
    fileno
  )
end

#add_dup(fileno, new_fileno) ⇒ Object 



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# File 'lib/docker_toolkit/childprocess/unix/lib.rb', line 123

def add_dup(fileno, new_fileno)
  Lib.check Lib.posix_spawn_file_actions_adddup2(
    @ptr,
    fileno,
    new_fileno
  )
end

#add_open(fileno, path, oflag, mode) ⇒ Object 



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# File 'lib/docker_toolkit/childprocess/unix/lib.rb', line 113

def add_open(fileno, path, oflag, mode)
  Lib.check Lib.posix_spawn_file_actions_addopen(
    @ptr,
    fileno,
    path,
    oflag,
    mode
  )
end

#free ⇒ Object 



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# File 'lib/docker_toolkit/childprocess/unix/lib.rb', line 131

def free
  Lib.check Lib.posix_spawn_file_actions_destroy(@ptr)
  @ptr = nil
end

#to_ptr ⇒ Object 



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# File 'lib/docker_toolkit/childprocess/unix/lib.rb', line 136

def to_ptr
  @ptr
end