1*a1e26a70SApple OSS Distributions<h2>vm_region_basic_info</h2> 2*a1e26a70SApple OSS Distributions<hr> 3*a1e26a70SApple OSS Distributions<p> 4*a1e26a70SApple OSS Distributions<strong>Structure</strong> - Defines the attributes of a task's memory region. 5*a1e26a70SApple OSS Distributions<h3>SYNOPSIS</h3> 6*a1e26a70SApple OSS Distributions<pre> 7*a1e26a70SApple OSS Distributions<strong>struct vm_region_basic_info</strong> 8*a1e26a70SApple OSS Distributions<strong>{</strong> 9*a1e26a70SApple OSS Distributions <strong>vm_prot_t</strong> <var>protection</var><strong>;</strong> 10*a1e26a70SApple OSS Distributions <strong>vm_prot_t</strong> <var>max_protection</var><strong>;</strong> 11*a1e26a70SApple OSS Distributions <strong>vm_inherit_t</strong> <var>inheritance</var><strong>;</strong> 12*a1e26a70SApple OSS Distributions <strong>boolean_t</strong> <var>shared</var><strong>;</strong> 13*a1e26a70SApple OSS Distributions <strong>boolean_t</strong> <var>reserved</var><strong>;</strong> 14*a1e26a70SApple OSS Distributions <strong>vm_offset_t</strong> <var>offset</var><strong>;</strong> 15*a1e26a70SApple OSS Distributions <strong>vm_behavior_t</strong> <var>behavior</var><strong>;</strong> 16*a1e26a70SApple OSS Distributions <strong>unsigned short</strong> <var>user_wired_count</var><strong>;</strong> 17*a1e26a70SApple OSS Distributions<strong>};</strong> 18*a1e26a70SApple OSS Distributions 19*a1e26a70SApple OSS Distributions<strong>typedef struct vm_region_basic_info* vm_region_basic_info_t;</strong> 20*a1e26a70SApple OSS Distributions</pre> 21*a1e26a70SApple OSS Distributions<h3>FIELDS</h3> 22*a1e26a70SApple OSS Distributions<dl> 23*a1e26a70SApple OSS Distributions<dt> <var>protection</var> 24*a1e26a70SApple OSS Distributions<dd> 25*a1e26a70SApple OSS DistributionsThe current protection for the region. 26*a1e26a70SApple OSS Distributions<p> 27*a1e26a70SApple OSS Distributions<dt> <var>max_protection</var> 28*a1e26a70SApple OSS Distributions<dd> 29*a1e26a70SApple OSS DistributionsThe maximum protection allowed for the region. 30*a1e26a70SApple OSS Distributions<p> 31*a1e26a70SApple OSS Distributions<dt> <var>inheritance</var> 32*a1e26a70SApple OSS Distributions<dd> 33*a1e26a70SApple OSS DistributionsThe inheritance attribute for the region. 34*a1e26a70SApple OSS Distributions<p> 35*a1e26a70SApple OSS Distributions<dt> <var>shared</var> 36*a1e26a70SApple OSS Distributions<dd> 37*a1e26a70SApple OSS DistributionsShared indicator. If true, the region is shared by another task. If false, 38*a1e26a70SApple OSS Distributionsthe region is not shared. 39*a1e26a70SApple OSS Distributions<p> 40*a1e26a70SApple OSS Distributions<dt> <var>reserved</var> 41*a1e26a70SApple OSS Distributions<dd> 42*a1e26a70SApple OSS DistributionsIf true the region is protected from random allocation. 43*a1e26a70SApple OSS Distributions<p> 44*a1e26a70SApple OSS Distributions<dt> <var>offset</var> 45*a1e26a70SApple OSS Distributions<dd> 46*a1e26a70SApple OSS DistributionsThe region's offset into the memory object. The region begins at this 47*a1e26a70SApple OSS Distributionsoffset. 48*a1e26a70SApple OSS Distributions<p> 49*a1e26a70SApple OSS Distributions<dt> <var>behavior</var> 50*a1e26a70SApple OSS Distributions<dd> 51*a1e26a70SApple OSS DistributionsExpected reference pattern for the memory. Valid values are: 52*a1e26a70SApple OSS Distributions<dl> 53*a1e26a70SApple OSS Distributions<p> 54*a1e26a70SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_DEFAULT</strong> 55*a1e26a70SApple OSS Distributions<dd> 56*a1e26a70SApple OSS DistributionsThe system's default behavior. 57*a1e26a70SApple OSS Distributions<p> 58*a1e26a70SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_RANDOM</strong> 59*a1e26a70SApple OSS Distributions<dd> 60*a1e26a70SApple OSS DistributionsNo particular order expected. 61*a1e26a70SApple OSS Distributions<p> 62*a1e26a70SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_SEQUENTIAL</strong> 63*a1e26a70SApple OSS Distributions<dd> 64*a1e26a70SApple OSS DistributionsForward sequential order. 65*a1e26a70SApple OSS Distributions<p> 66*a1e26a70SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_RSEQNTL</strong> 67*a1e26a70SApple OSS Distributions<dd> 68*a1e26a70SApple OSS DistributionsReverse sequential order. 69*a1e26a70SApple OSS Distributions</dl> 70*a1e26a70SApple OSS Distributions</dl> 71*a1e26a70SApple OSS Distributions<h3>DESCRIPTION</h3> 72*a1e26a70SApple OSS Distributions<p> 73*a1e26a70SApple OSS DistributionsThe <strong>vm_region_basic_info</strong> structure defines the attributes 74*a1e26a70SApple OSS Distributionsof a memory region returned by <strong>vm_region</strong>. 75*a1e26a70SApple OSS Distributions<h3>RELATED INFORMATION</h3> 76*a1e26a70SApple OSS Distributions<p> 77*a1e26a70SApple OSS DistributionsFunctions: 78*a1e26a70SApple OSS Distributions<a href="vm_region.html"><strong>vm_region</strong></a>, 79*a1e26a70SApple OSS Distributions<a href="vm_inherit.html"><strong>vm_inherit</strong></a>, 80*a1e26a70SApple OSS Distributions<a href="vm_protect.html"><strong>vm_protect</strong></a>. 81