Module: Datadog::Core::ProcessDiscovery

Defined in:
lib/datadog/core/process_discovery.rb,
lib/datadog/core/process_discovery/tracer_memfd.rb,
ext/libdatadog_api/process_discovery.c

Overview

Class used to store tracer metadata in a native file descriptor.

Defined Under Namespace

Classes: TracerMemfd

Class Method Summary collapse

Class Method Details

._native_close_tracer_memfd ⇒ Object 



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# File 'ext/libdatadog_api/process_discovery.c', line 10

static VALUE _native_close_tracer_memfd(DDTRACE_UNUSED VALUE _self, VALUE tracer_memfd, VALUE logger);

._native_store_tracer_metadata ⇒ Object

Class cannot be instantiated from Ruby



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# File 'ext/libdatadog_api/process_discovery.c', line 8

static VALUE _native_store_tracer_metadata(int argc, VALUE *argv, DDTRACE_UNUSED VALUE _self);

._native_to_rb_int ⇒ Object 



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# File 'ext/libdatadog_api/process_discovery.c', line 9

static VALUE _native_to_rb_int(DDTRACE_UNUSED VALUE _self, VALUE tracer_memfd);

.after_fork ⇒ Object 



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# File 'lib/datadog/core/process_discovery.rb', line 31

def after_fork
  # The runtime-id changes after a fork. We call publish to ensure that the runtime-id is updated.
  publish(Datadog.configuration)
end

.publish(settings) ⇒ Object 



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# File 'lib/datadog/core/process_discovery.rb', line 12

def publish(settings)
  if (libdatadog_api_failure = Datadog::Core::LIBDATADOG_API_FAILURE)
    Datadog.logger.debug { "Cannot enable process discovery: #{libdatadog_api_failure}" }
    return
  end

  metadata = get_metadata(settings)

  shutdown!
  @file_descriptor = _native_store_tracer_metadata(Datadog.logger, **metadata)
end

.shutdown! ⇒ Object 



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# File 'lib/datadog/core/process_discovery.rb', line 24

def shutdown!
  if defined?(@file_descriptor)
    @file_descriptor&.shutdown!(Datadog.logger)
    @file_descriptor = nil
  end
end