1*2c2f96dcSApple OSS Distributions<h2>io_done_queue_create</h2> 2*2c2f96dcSApple OSS Distributions<hr> 3*2c2f96dcSApple OSS Distributions<p> 4*2c2f96dcSApple OSS Distributions<strong>Function</strong> - Create an <strong>io_done_queue</strong> kernel object. 5*2c2f96dcSApple OSS Distributions<h3>SYNOPSIS</h3> 6*2c2f96dcSApple OSS Distributions<pre> 7*2c2f96dcSApple OSS Distributions<strong>kern_return_t io_done_queue_create</strong> 8*2c2f96dcSApple OSS Distributions <strong>(mach_port_t</strong> <var>host</var>, 9*2c2f96dcSApple OSS Distributions <strong>mach_port_t</strong> <var>queue</var><strong>);</strong> 10*2c2f96dcSApple OSS Distributions</pre> 11*2c2f96dcSApple OSS Distributions<h3>PARAMETERS</h3> 12*2c2f96dcSApple OSS Distributions<dl> 13*2c2f96dcSApple OSS Distributions<p> 14*2c2f96dcSApple OSS Distributions<dt> <var>host</var> 15*2c2f96dcSApple OSS Distributions<dd> 16*2c2f96dcSApple OSS Distributions[in host-name send right] The name (or control) port for the host on 17*2c2f96dcSApple OSS Distributionswhich the io_done_queue should be created. 18*2c2f96dcSApple OSS Distributions<p> 19*2c2f96dcSApple OSS Distributions<dt> <var>queue</var> 20*2c2f96dcSApple OSS Distributions<dd> 21*2c2f96dcSApple OSS Distributions[out io-done-queue send right] The port referencing the created 22*2c2f96dcSApple OSS Distributionsio_done_queue. 23*2c2f96dcSApple OSS Distributions</dl> 24*2c2f96dcSApple OSS Distributions<h3>DESCRIPTION</h3> 25*2c2f96dcSApple OSS Distributions<p> 26*2c2f96dcSApple OSS DistributionsThe io_done_queue_create function is called to create a new 27*2c2f96dcSApple OSS Distributionsinstatiation of the kernel object supporting asynchronous read/write 28*2c2f96dcSApple OSS Distributionsoperations on a device. 29*2c2f96dcSApple OSS Distributions<h3>RETURN VALUES</h3> 30*2c2f96dcSApple OSS Distributions<dl> 31*2c2f96dcSApple OSS Distributions<dt> <strong>KERN_INVALID_ARGUMENT</strong> 32*2c2f96dcSApple OSS Distributions<dd> 33*2c2f96dcSApple OSS Distributions Invalid <var>host</var> parameter. 34*2c2f96dcSApple OSS Distributions <p> 35*2c2f96dcSApple OSS Distributions <dt> <strong>KERN_RESOURCE_SHORTAGE</strong> 36*2c2f96dcSApple OSS Distributions<dd> 37*2c2f96dcSApple OSS Distributions Insufficient kernel resources to allocate kernel object. 38*2c2f96dcSApple OSS Distributions</dl> 39*2c2f96dcSApple OSS Distributions<h3>RELATED INFORMATION</h3> 40*2c2f96dcSApple OSS Distributions<p> 41*2c2f96dcSApple OSS DistributionsFunctions: 42*2c2f96dcSApple OSS Distributions<a href="io_done_queue_terminate.html"><strong>io_done_queue_terminate</strong></a>, 43*2c2f96dcSApple OSS Distributions<a href="io_done_queue_wait.html"><strong>io_done_queue_wait</strong></a>, 44*2c2f96dcSApple OSS Distributions<a href="device_read_async.html"><strong>device_read_async</strong></a>, 45*2c2f96dcSApple OSS Distributions<a href="device_read_async_inband.html"><strong>device_read_async_inband</strong></a>, 46*2c2f96dcSApple OSS Distributions<a href="DR_overwrite_async.html"><strong>device_read_overwrite_async</strong></a>, 47*2c2f96dcSApple OSS Distributions<a href="device_write_async.html"><strong>device_write_async</strong></a>, 48*2c2f96dcSApple OSS Distributions<a href="device_write_async_inband.html"><strong>device_write_async_inband</strong></a>. 49