1*5e3eaea3SApple OSS Distributions<h2>device_get_status</h2> 2*5e3eaea3SApple OSS Distributions<hr> 3*5e3eaea3SApple OSS Distributions<p> 4*5e3eaea3SApple OSS Distributions<strong>Function</strong> - Return the current device status. 5*5e3eaea3SApple OSS Distributions<h3>SYNOPSIS</h3> 6*5e3eaea3SApple OSS Distributions<pre> 7*5e3eaea3SApple OSS Distributions<strong>#include< device/device.h></strong> 8*5e3eaea3SApple OSS Distributions 9*5e3eaea3SApple OSS Distributions<strong>kern_return_t device_get_status</strong> 10*5e3eaea3SApple OSS Distributions <strong>(mach_port_t</strong> <var>device</var>, 11*5e3eaea3SApple OSS Distributions <strong>dev_flavor_t</strong> <var>flavor</var>, 12*5e3eaea3SApple OSS Distributions <strong>dev_status_t</strong> <var>status</var>, 13*5e3eaea3SApple OSS Distributions <strong>mach_msg_type_number_t</strong> <var>*status_count</var><strong>);</strong> 14*5e3eaea3SApple OSS Distributions</pre> 15*5e3eaea3SApple OSS Distributions<h3>PARAMETERS</h3> 16*5e3eaea3SApple OSS Distributions<dl> 17*5e3eaea3SApple OSS Distributions<p> 18*5e3eaea3SApple OSS Distributions<dt> <var>device</var> 19*5e3eaea3SApple OSS Distributions<dd> 20*5e3eaea3SApple OSS Distributions[in device send right] 21*5e3eaea3SApple OSS DistributionsA device port to the device to be interrogated. 22*5e3eaea3SApple OSS Distributions<p> 23*5e3eaea3SApple OSS Distributions<dt> <var>flavor</var> 24*5e3eaea3SApple OSS Distributions<dd> 25*5e3eaea3SApple OSS Distributions[in scalar] 26*5e3eaea3SApple OSS DistributionsThe type of status information requested. 27*5e3eaea3SApple OSS Distributions<p> 28*5e3eaea3SApple OSS Distributions<dt> <var>status</var> 29*5e3eaea3SApple OSS Distributions<dd> 30*5e3eaea3SApple OSS Distributions[out array of natural-sized units] 31*5e3eaea3SApple OSS DistributionsThe returned device status. 32*5e3eaea3SApple OSS Distributions<p> 33*5e3eaea3SApple OSS Distributions<dt> <var>status_count</var> 34*5e3eaea3SApple OSS Distributions<dd> 35*5e3eaea3SApple OSS Distributions[pointer to in/out scalar] 36*5e3eaea3SApple OSS DistributionsOn input, the reserved size of <var>status</var>; on 37*5e3eaea3SApple OSS Distributionsoutput, the size of the returned device status (in natural-sized units). 38*5e3eaea3SApple OSS Distributions</dl> 39*5e3eaea3SApple OSS Distributions<h3>DESCRIPTION</h3> 40*5e3eaea3SApple OSS Distributions<p> 41*5e3eaea3SApple OSS DistributionsThe <strong>device_get_status</strong> function returns status information 42*5e3eaea3SApple OSS Distributionspertaining to an open device. The possible values for <var>flavor</var> as well 43*5e3eaea3SApple OSS Distributionsas the meaning of the returned status information is device dependent. 44*5e3eaea3SApple OSS Distributions<h3>RETURN VALUES</h3> 45*5e3eaea3SApple OSS Distributions<dl> 46*5e3eaea3SApple OSS Distributions<p> 47*5e3eaea3SApple OSS Distributions<dt> <strong>D_DEVICE_DOWN</strong> 48*5e3eaea3SApple OSS Distributions<dd> 49*5e3eaea3SApple OSS DistributionsDevice has been shut down 50*5e3eaea3SApple OSS Distributions<p> 51*5e3eaea3SApple OSS Distributions<dt> <strong>D_NO_SUCH_DEVICE</strong> 52*5e3eaea3SApple OSS Distributions<dd> 53*5e3eaea3SApple OSS DistributionsNo device with that name, or the device is not operational. 54*5e3eaea3SApple OSS Distributions<p> 55*5e3eaea3SApple OSS Distributions<dt> <strong>D_OUT_OF_BAND</strong> 56*5e3eaea3SApple OSS Distributions<dd> 57*5e3eaea3SApple OSS DistributionsOut-of-band condition occurred on device (such as typing \*L<Ctrl>-C\*O) 58*5e3eaea3SApple OSS Distributions</dl> 59*5e3eaea3SApple OSS Distributions<h3>RELATED INFORMATION</h3> 60*5e3eaea3SApple OSS Distributions<p> 61*5e3eaea3SApple OSS DistributionsFunctions: 62*5e3eaea3SApple OSS Distributions<a href="device_set_status.html"><strong>device_set_status</strong></a>. 63