1*5e3eaea3SApple OSS Distributions<h2>vm_region_basic_info</h2> 2*5e3eaea3SApple OSS Distributions<hr> 3*5e3eaea3SApple OSS Distributions<p> 4*5e3eaea3SApple OSS Distributions<strong>Structure</strong> - Defines the attributes of a task's memory region. 5*5e3eaea3SApple OSS Distributions<h3>SYNOPSIS</h3> 6*5e3eaea3SApple OSS Distributions<pre> 7*5e3eaea3SApple OSS Distributions<strong>struct vm_region_basic_info</strong> 8*5e3eaea3SApple OSS Distributions<strong>{</strong> 9*5e3eaea3SApple OSS Distributions <strong>vm_prot_t</strong> <var>protection</var><strong>;</strong> 10*5e3eaea3SApple OSS Distributions <strong>vm_prot_t</strong> <var>max_protection</var><strong>;</strong> 11*5e3eaea3SApple OSS Distributions <strong>vm_inherit_t</strong> <var>inheritance</var><strong>;</strong> 12*5e3eaea3SApple OSS Distributions <strong>boolean_t</strong> <var>shared</var><strong>;</strong> 13*5e3eaea3SApple OSS Distributions <strong>boolean_t</strong> <var>reserved</var><strong>;</strong> 14*5e3eaea3SApple OSS Distributions <strong>vm_offset_t</strong> <var>offset</var><strong>;</strong> 15*5e3eaea3SApple OSS Distributions <strong>vm_behavior_t</strong> <var>behavior</var><strong>;</strong> 16*5e3eaea3SApple OSS Distributions <strong>unsigned short</strong> <var>user_wired_count</var><strong>;</strong> 17*5e3eaea3SApple OSS Distributions<strong>};</strong> 18*5e3eaea3SApple OSS Distributions 19*5e3eaea3SApple OSS Distributions<strong>typedef struct vm_region_basic_info* vm_region_basic_info_t;</strong> 20*5e3eaea3SApple OSS Distributions</pre> 21*5e3eaea3SApple OSS Distributions<h3>FIELDS</h3> 22*5e3eaea3SApple OSS Distributions<dl> 23*5e3eaea3SApple OSS Distributions<dt> <var>protection</var> 24*5e3eaea3SApple OSS Distributions<dd> 25*5e3eaea3SApple OSS DistributionsThe current protection for the region. 26*5e3eaea3SApple OSS Distributions<p> 27*5e3eaea3SApple OSS Distributions<dt> <var>max_protection</var> 28*5e3eaea3SApple OSS Distributions<dd> 29*5e3eaea3SApple OSS DistributionsThe maximum protection allowed for the region. 30*5e3eaea3SApple OSS Distributions<p> 31*5e3eaea3SApple OSS Distributions<dt> <var>inheritance</var> 32*5e3eaea3SApple OSS Distributions<dd> 33*5e3eaea3SApple OSS DistributionsThe inheritance attribute for the region. 34*5e3eaea3SApple OSS Distributions<p> 35*5e3eaea3SApple OSS Distributions<dt> <var>shared</var> 36*5e3eaea3SApple OSS Distributions<dd> 37*5e3eaea3SApple OSS DistributionsShared indicator. If true, the region is shared by another task. If false, 38*5e3eaea3SApple OSS Distributionsthe region is not shared. 39*5e3eaea3SApple OSS Distributions<p> 40*5e3eaea3SApple OSS Distributions<dt> <var>reserved</var> 41*5e3eaea3SApple OSS Distributions<dd> 42*5e3eaea3SApple OSS DistributionsIf true the region is protected from random allocation. 43*5e3eaea3SApple OSS Distributions<p> 44*5e3eaea3SApple OSS Distributions<dt> <var>offset</var> 45*5e3eaea3SApple OSS Distributions<dd> 46*5e3eaea3SApple OSS DistributionsThe region's offset into the memory object. The region begins at this 47*5e3eaea3SApple OSS Distributionsoffset. 48*5e3eaea3SApple OSS Distributions<p> 49*5e3eaea3SApple OSS Distributions<dt> <var>behavior</var> 50*5e3eaea3SApple OSS Distributions<dd> 51*5e3eaea3SApple OSS DistributionsExpected reference pattern for the memory. Valid values are: 52*5e3eaea3SApple OSS Distributions<dl> 53*5e3eaea3SApple OSS Distributions<p> 54*5e3eaea3SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_DEFAULT</strong> 55*5e3eaea3SApple OSS Distributions<dd> 56*5e3eaea3SApple OSS DistributionsThe system's default behavior. 57*5e3eaea3SApple OSS Distributions<p> 58*5e3eaea3SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_RANDOM</strong> 59*5e3eaea3SApple OSS Distributions<dd> 60*5e3eaea3SApple OSS DistributionsNo particular order expected. 61*5e3eaea3SApple OSS Distributions<p> 62*5e3eaea3SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_SEQUENTIAL</strong> 63*5e3eaea3SApple OSS Distributions<dd> 64*5e3eaea3SApple OSS DistributionsForward sequential order. 65*5e3eaea3SApple OSS Distributions<p> 66*5e3eaea3SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_RSEQNTL</strong> 67*5e3eaea3SApple OSS Distributions<dd> 68*5e3eaea3SApple OSS DistributionsReverse sequential order. 69*5e3eaea3SApple OSS Distributions</dl> 70*5e3eaea3SApple OSS Distributions</dl> 71*5e3eaea3SApple OSS Distributions<h3>DESCRIPTION</h3> 72*5e3eaea3SApple OSS Distributions<p> 73*5e3eaea3SApple OSS DistributionsThe <strong>vm_region_basic_info</strong> structure defines the attributes 74*5e3eaea3SApple OSS Distributionsof a memory region returned by <strong>vm_region</strong>. 75*5e3eaea3SApple OSS Distributions<h3>RELATED INFORMATION</h3> 76*5e3eaea3SApple OSS Distributions<p> 77*5e3eaea3SApple OSS DistributionsFunctions: 78*5e3eaea3SApple OSS Distributions<a href="vm_region.html"><strong>vm_region</strong></a>, 79*5e3eaea3SApple OSS Distributions<a href="vm_inherit.html"><strong>vm_inherit</strong></a>, 80*5e3eaea3SApple OSS Distributions<a href="vm_protect.html"><strong>vm_protect</strong></a>. 81