1*699cd480SApple OSS Distributions<h2>vm_region_basic_info</h2> 2*699cd480SApple OSS Distributions<hr> 3*699cd480SApple OSS Distributions<p> 4*699cd480SApple OSS Distributions<strong>Structure</strong> - Defines the attributes of a task's memory region. 5*699cd480SApple OSS Distributions<h3>SYNOPSIS</h3> 6*699cd480SApple OSS Distributions<pre> 7*699cd480SApple OSS Distributions<strong>struct vm_region_basic_info</strong> 8*699cd480SApple OSS Distributions<strong>{</strong> 9*699cd480SApple OSS Distributions <strong>vm_prot_t</strong> <var>protection</var><strong>;</strong> 10*699cd480SApple OSS Distributions <strong>vm_prot_t</strong> <var>max_protection</var><strong>;</strong> 11*699cd480SApple OSS Distributions <strong>vm_inherit_t</strong> <var>inheritance</var><strong>;</strong> 12*699cd480SApple OSS Distributions <strong>boolean_t</strong> <var>shared</var><strong>;</strong> 13*699cd480SApple OSS Distributions <strong>boolean_t</strong> <var>reserved</var><strong>;</strong> 14*699cd480SApple OSS Distributions <strong>vm_offset_t</strong> <var>offset</var><strong>;</strong> 15*699cd480SApple OSS Distributions <strong>vm_behavior_t</strong> <var>behavior</var><strong>;</strong> 16*699cd480SApple OSS Distributions <strong>unsigned short</strong> <var>user_wired_count</var><strong>;</strong> 17*699cd480SApple OSS Distributions<strong>};</strong> 18*699cd480SApple OSS Distributions 19*699cd480SApple OSS Distributions<strong>typedef struct vm_region_basic_info* vm_region_basic_info_t;</strong> 20*699cd480SApple OSS Distributions</pre> 21*699cd480SApple OSS Distributions<h3>FIELDS</h3> 22*699cd480SApple OSS Distributions<dl> 23*699cd480SApple OSS Distributions<dt> <var>protection</var> 24*699cd480SApple OSS Distributions<dd> 25*699cd480SApple OSS DistributionsThe current protection for the region. 26*699cd480SApple OSS Distributions<p> 27*699cd480SApple OSS Distributions<dt> <var>max_protection</var> 28*699cd480SApple OSS Distributions<dd> 29*699cd480SApple OSS DistributionsThe maximum protection allowed for the region. 30*699cd480SApple OSS Distributions<p> 31*699cd480SApple OSS Distributions<dt> <var>inheritance</var> 32*699cd480SApple OSS Distributions<dd> 33*699cd480SApple OSS DistributionsThe inheritance attribute for the region. 34*699cd480SApple OSS Distributions<p> 35*699cd480SApple OSS Distributions<dt> <var>shared</var> 36*699cd480SApple OSS Distributions<dd> 37*699cd480SApple OSS DistributionsShared indicator. If true, the region is shared by another task. If false, 38*699cd480SApple OSS Distributionsthe region is not shared. 39*699cd480SApple OSS Distributions<p> 40*699cd480SApple OSS Distributions<dt> <var>reserved</var> 41*699cd480SApple OSS Distributions<dd> 42*699cd480SApple OSS DistributionsIf true the region is protected from random allocation. 43*699cd480SApple OSS Distributions<p> 44*699cd480SApple OSS Distributions<dt> <var>offset</var> 45*699cd480SApple OSS Distributions<dd> 46*699cd480SApple OSS DistributionsThe region's offset into the memory object. The region begins at this 47*699cd480SApple OSS Distributionsoffset. 48*699cd480SApple OSS Distributions<p> 49*699cd480SApple OSS Distributions<dt> <var>behavior</var> 50*699cd480SApple OSS Distributions<dd> 51*699cd480SApple OSS DistributionsExpected reference pattern for the memory. Valid values are: 52*699cd480SApple OSS Distributions<dl> 53*699cd480SApple OSS Distributions<p> 54*699cd480SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_DEFAULT</strong> 55*699cd480SApple OSS Distributions<dd> 56*699cd480SApple OSS DistributionsThe system's default behavior. 57*699cd480SApple OSS Distributions<p> 58*699cd480SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_RANDOM</strong> 59*699cd480SApple OSS Distributions<dd> 60*699cd480SApple OSS DistributionsNo particular order expected. 61*699cd480SApple OSS Distributions<p> 62*699cd480SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_SEQUENTIAL</strong> 63*699cd480SApple OSS Distributions<dd> 64*699cd480SApple OSS DistributionsForward sequential order. 65*699cd480SApple OSS Distributions<p> 66*699cd480SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_RSEQNTL</strong> 67*699cd480SApple OSS Distributions<dd> 68*699cd480SApple OSS DistributionsReverse sequential order. 69*699cd480SApple OSS Distributions</dl> 70*699cd480SApple OSS Distributions</dl> 71*699cd480SApple OSS Distributions<h3>DESCRIPTION</h3> 72*699cd480SApple OSS Distributions<p> 73*699cd480SApple OSS DistributionsThe <strong>vm_region_basic_info</strong> structure defines the attributes 74*699cd480SApple OSS Distributionsof a memory region returned by <strong>vm_region</strong>. 75*699cd480SApple OSS Distributions<h3>RELATED INFORMATION</h3> 76*699cd480SApple OSS Distributions<p> 77*699cd480SApple OSS DistributionsFunctions: 78*699cd480SApple OSS Distributions<a href="vm_region.html"><strong>vm_region</strong></a>, 79*699cd480SApple OSS Distributions<a href="vm_inherit.html"><strong>vm_inherit</strong></a>, 80*699cd480SApple OSS Distributions<a href="vm_protect.html"><strong>vm_protect</strong></a>. 81