Class: CPUExtension::CPUGov

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# File 'ext/distem/cpugov/cpugov.c', line 24

static VALUE cpugov_init(
  VALUE self,
  VALUE cores,
  VALUE freqmax,
  VALUE cgroup_path
)
{
	rb_iv_set(self, "@pitch", rb_float_new(DEFAULT_PITCH));
	rb_iv_set(self, "@cores", rb_ary_dup(cores));
	rb_iv_set(self, "@freqmax", freqmax);
	rb_iv_set(self, "@pid", INT2NUM(0));
	rb_iv_set(self, "@cgrouppath", rb_str_dup(cgroup_path));

  freq_max = freqmax;

	return self;
}

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# File 'ext/distem/cpugov/cpugov.c', line 42

static VALUE cpugov_run(
  VALUE self,
  VALUE low_freq,
  VALUE high_freq,
  VALUE low_rate
)
{
  int pid;

  pid = fork();
  if (pid < 0)
    rb_raise(rb_eRuntimeError,"fork");
  if (!pid)
    {
      if (setsid() < 0)
	rb_raise(rb_eRuntimeError,"setsid");
      close(STDIN_FILENO);
      close(STDOUT_FILENO);
      close(STDERR_FILENO);

      rb_iterate(rb_each, rb_iv_get(self,"@cores"), cpugov_parse_core, Qnil);

      extrun(
	     (unsigned long long) (NUM2DBL(rb_iv_get(self, "@pitch")) * 1000000),
	     NUM2INT(low_freq),NUM2INT(high_freq),NUM2DBL(low_rate),
	     STR2CSTR(rb_iv_get(self,"@cgrouppath"))
	     );
      exit(0);
    }
  else
    rb_iv_set(self, "@pid", INT2NUM(pid));

  return Qnil;
}