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Contents
# encoding: utf-8
module Adhearsion
# https://gist.github.com/1350729
#
# Eric Lindvall <eric@5stops.com>
#
# Update the process name for the process you're running in.
#
# $0 => updates proc name for ps command
# prctl => updates proc name for lsof, top, killall commands (...)
#
# prctl does not work on OS X
#
module LinuxProcName
# Set process name
PR_SET_NAME = 15
class << self
attr_accessor :error
def set_proc_name(name)
$0 = name # process name in ps command
if error
logger.debug error
return false
end
return false unless LibC.respond_to?(:prctl)
# The name can be up to 16 bytes long, and should be null-terminated if
# it contains fewer bytes.
name = name.slice(0, 16)
ptr = FFI::MemoryPointer.from_string(name)
LibC.prctl(PR_SET_NAME, ptr.address, 0, 0) # process name in top, lsof, etc
ensure
ptr.free if ptr
end
end
end
end
Version data entries
30 entries across 30 versions & 1 rubygems