1*19c3b8c2SApple OSS Distributions<h2>vm_region_basic_info</h2> 2*19c3b8c2SApple OSS Distributions<hr> 3*19c3b8c2SApple OSS Distributions<p> 4*19c3b8c2SApple OSS Distributions<strong>Structure</strong> - Defines the attributes of a task's memory region. 5*19c3b8c2SApple OSS Distributions<h3>SYNOPSIS</h3> 6*19c3b8c2SApple OSS Distributions<pre> 7*19c3b8c2SApple OSS Distributions<strong>struct vm_region_basic_info</strong> 8*19c3b8c2SApple OSS Distributions<strong>{</strong> 9*19c3b8c2SApple OSS Distributions <strong>vm_prot_t</strong> <var>protection</var><strong>;</strong> 10*19c3b8c2SApple OSS Distributions <strong>vm_prot_t</strong> <var>max_protection</var><strong>;</strong> 11*19c3b8c2SApple OSS Distributions <strong>vm_inherit_t</strong> <var>inheritance</var><strong>;</strong> 12*19c3b8c2SApple OSS Distributions <strong>boolean_t</strong> <var>shared</var><strong>;</strong> 13*19c3b8c2SApple OSS Distributions <strong>boolean_t</strong> <var>reserved</var><strong>;</strong> 14*19c3b8c2SApple OSS Distributions <strong>vm_offset_t</strong> <var>offset</var><strong>;</strong> 15*19c3b8c2SApple OSS Distributions <strong>vm_behavior_t</strong> <var>behavior</var><strong>;</strong> 16*19c3b8c2SApple OSS Distributions <strong>unsigned short</strong> <var>user_wired_count</var><strong>;</strong> 17*19c3b8c2SApple OSS Distributions<strong>};</strong> 18*19c3b8c2SApple OSS Distributions 19*19c3b8c2SApple OSS Distributions<strong>typedef struct vm_region_basic_info* vm_region_basic_info_t;</strong> 20*19c3b8c2SApple OSS Distributions</pre> 21*19c3b8c2SApple OSS Distributions<h3>FIELDS</h3> 22*19c3b8c2SApple OSS Distributions<dl> 23*19c3b8c2SApple OSS Distributions<dt> <var>protection</var> 24*19c3b8c2SApple OSS Distributions<dd> 25*19c3b8c2SApple OSS DistributionsThe current protection for the region. 26*19c3b8c2SApple OSS Distributions<p> 27*19c3b8c2SApple OSS Distributions<dt> <var>max_protection</var> 28*19c3b8c2SApple OSS Distributions<dd> 29*19c3b8c2SApple OSS DistributionsThe maximum protection allowed for the region. 30*19c3b8c2SApple OSS Distributions<p> 31*19c3b8c2SApple OSS Distributions<dt> <var>inheritance</var> 32*19c3b8c2SApple OSS Distributions<dd> 33*19c3b8c2SApple OSS DistributionsThe inheritance attribute for the region. 34*19c3b8c2SApple OSS Distributions<p> 35*19c3b8c2SApple OSS Distributions<dt> <var>shared</var> 36*19c3b8c2SApple OSS Distributions<dd> 37*19c3b8c2SApple OSS DistributionsShared indicator. If true, the region is shared by another task. If false, 38*19c3b8c2SApple OSS Distributionsthe region is not shared. 39*19c3b8c2SApple OSS Distributions<p> 40*19c3b8c2SApple OSS Distributions<dt> <var>reserved</var> 41*19c3b8c2SApple OSS Distributions<dd> 42*19c3b8c2SApple OSS DistributionsIf true the region is protected from random allocation. 43*19c3b8c2SApple OSS Distributions<p> 44*19c3b8c2SApple OSS Distributions<dt> <var>offset</var> 45*19c3b8c2SApple OSS Distributions<dd> 46*19c3b8c2SApple OSS DistributionsThe region's offset into the memory object. The region begins at this 47*19c3b8c2SApple OSS Distributionsoffset. 48*19c3b8c2SApple OSS Distributions<p> 49*19c3b8c2SApple OSS Distributions<dt> <var>behavior</var> 50*19c3b8c2SApple OSS Distributions<dd> 51*19c3b8c2SApple OSS DistributionsExpected reference pattern for the memory. Valid values are: 52*19c3b8c2SApple OSS Distributions<dl> 53*19c3b8c2SApple OSS Distributions<p> 54*19c3b8c2SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_DEFAULT</strong> 55*19c3b8c2SApple OSS Distributions<dd> 56*19c3b8c2SApple OSS DistributionsThe system's default behavior. 57*19c3b8c2SApple OSS Distributions<p> 58*19c3b8c2SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_RANDOM</strong> 59*19c3b8c2SApple OSS Distributions<dd> 60*19c3b8c2SApple OSS DistributionsNo particular order expected. 61*19c3b8c2SApple OSS Distributions<p> 62*19c3b8c2SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_SEQUENTIAL</strong> 63*19c3b8c2SApple OSS Distributions<dd> 64*19c3b8c2SApple OSS DistributionsForward sequential order. 65*19c3b8c2SApple OSS Distributions<p> 66*19c3b8c2SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_RSEQNTL</strong> 67*19c3b8c2SApple OSS Distributions<dd> 68*19c3b8c2SApple OSS DistributionsReverse sequential order. 69*19c3b8c2SApple OSS Distributions</dl> 70*19c3b8c2SApple OSS Distributions</dl> 71*19c3b8c2SApple OSS Distributions<h3>DESCRIPTION</h3> 72*19c3b8c2SApple OSS Distributions<p> 73*19c3b8c2SApple OSS DistributionsThe <strong>vm_region_basic_info</strong> structure defines the attributes 74*19c3b8c2SApple OSS Distributionsof a memory region returned by <strong>vm_region</strong>. 75*19c3b8c2SApple OSS Distributions<h3>RELATED INFORMATION</h3> 76*19c3b8c2SApple OSS Distributions<p> 77*19c3b8c2SApple OSS DistributionsFunctions: 78*19c3b8c2SApple OSS Distributions<a href="vm_region.html"><strong>vm_region</strong></a>, 79*19c3b8c2SApple OSS Distributions<a href="vm_inherit.html"><strong>vm_inherit</strong></a>, 80*19c3b8c2SApple OSS Distributions<a href="vm_protect.html"><strong>vm_protect</strong></a>. 81