1*0f4c859eSApple OSS Distributions<h2>io_done_queue_create</h2> 2*0f4c859eSApple OSS Distributions<hr> 3*0f4c859eSApple OSS Distributions<p> 4*0f4c859eSApple OSS Distributions<strong>Function</strong> - Create an <strong>io_done_queue</strong> kernel object. 5*0f4c859eSApple OSS Distributions<h3>SYNOPSIS</h3> 6*0f4c859eSApple OSS Distributions<pre> 7*0f4c859eSApple OSS Distributions<strong>kern_return_t io_done_queue_create</strong> 8*0f4c859eSApple OSS Distributions <strong>(mach_port_t</strong> <var>host</var>, 9*0f4c859eSApple OSS Distributions <strong>mach_port_t</strong> <var>queue</var><strong>);</strong> 10*0f4c859eSApple OSS Distributions</pre> 11*0f4c859eSApple OSS Distributions<h3>PARAMETERS</h3> 12*0f4c859eSApple OSS Distributions<dl> 13*0f4c859eSApple OSS Distributions<p> 14*0f4c859eSApple OSS Distributions<dt> <var>host</var> 15*0f4c859eSApple OSS Distributions<dd> 16*0f4c859eSApple OSS Distributions[in host-name send right] The name (or control) port for the host on 17*0f4c859eSApple OSS Distributionswhich the io_done_queue should be created. 18*0f4c859eSApple OSS Distributions<p> 19*0f4c859eSApple OSS Distributions<dt> <var>queue</var> 20*0f4c859eSApple OSS Distributions<dd> 21*0f4c859eSApple OSS Distributions[out io-done-queue send right] The port referencing the created 22*0f4c859eSApple OSS Distributionsio_done_queue. 23*0f4c859eSApple OSS Distributions</dl> 24*0f4c859eSApple OSS Distributions<h3>DESCRIPTION</h3> 25*0f4c859eSApple OSS Distributions<p> 26*0f4c859eSApple OSS DistributionsThe io_done_queue_create function is called to create a new 27*0f4c859eSApple OSS Distributionsinstatiation of the kernel object supporting asynchronous read/write 28*0f4c859eSApple OSS Distributionsoperations on a device. 29*0f4c859eSApple OSS Distributions<h3>RETURN VALUES</h3> 30*0f4c859eSApple OSS Distributions<dl> 31*0f4c859eSApple OSS Distributions<dt> <strong>KERN_INVALID_ARGUMENT</strong> 32*0f4c859eSApple OSS Distributions<dd> 33*0f4c859eSApple OSS Distributions Invalid <var>host</var> parameter. 34*0f4c859eSApple OSS Distributions <p> 35*0f4c859eSApple OSS Distributions <dt> <strong>KERN_RESOURCE_SHORTAGE</strong> 36*0f4c859eSApple OSS Distributions<dd> 37*0f4c859eSApple OSS Distributions Insufficient kernel resources to allocate kernel object. 38*0f4c859eSApple OSS Distributions</dl> 39*0f4c859eSApple OSS Distributions<h3>RELATED INFORMATION</h3> 40*0f4c859eSApple OSS Distributions<p> 41*0f4c859eSApple OSS DistributionsFunctions: 42*0f4c859eSApple OSS Distributions<a href="io_done_queue_terminate.html"><strong>io_done_queue_terminate</strong></a>, 43*0f4c859eSApple OSS Distributions<a href="io_done_queue_wait.html"><strong>io_done_queue_wait</strong></a>, 44*0f4c859eSApple OSS Distributions<a href="device_read_async.html"><strong>device_read_async</strong></a>, 45*0f4c859eSApple OSS Distributions<a href="device_read_async_inband.html"><strong>device_read_async_inband</strong></a>, 46*0f4c859eSApple OSS Distributions<a href="DR_overwrite_async.html"><strong>device_read_overwrite_async</strong></a>, 47*0f4c859eSApple OSS Distributions<a href="device_write_async.html"><strong>device_write_async</strong></a>, 48*0f4c859eSApple OSS Distributions<a href="device_write_async_inband.html"><strong>device_write_async_inband</strong></a>. 49