1*bbb1b6f9SApple OSS Distributions<h2>vm_region_basic_info</h2> 2*bbb1b6f9SApple OSS Distributions<hr> 3*bbb1b6f9SApple OSS Distributions<p> 4*bbb1b6f9SApple OSS Distributions<strong>Structure</strong> - Defines the attributes of a task's memory region. 5*bbb1b6f9SApple OSS Distributions<h3>SYNOPSIS</h3> 6*bbb1b6f9SApple OSS Distributions<pre> 7*bbb1b6f9SApple OSS Distributions<strong>struct vm_region_basic_info</strong> 8*bbb1b6f9SApple OSS Distributions<strong>{</strong> 9*bbb1b6f9SApple OSS Distributions <strong>vm_prot_t</strong> <var>protection</var><strong>;</strong> 10*bbb1b6f9SApple OSS Distributions <strong>vm_prot_t</strong> <var>max_protection</var><strong>;</strong> 11*bbb1b6f9SApple OSS Distributions <strong>vm_inherit_t</strong> <var>inheritance</var><strong>;</strong> 12*bbb1b6f9SApple OSS Distributions <strong>boolean_t</strong> <var>shared</var><strong>;</strong> 13*bbb1b6f9SApple OSS Distributions <strong>boolean_t</strong> <var>reserved</var><strong>;</strong> 14*bbb1b6f9SApple OSS Distributions <strong>vm_offset_t</strong> <var>offset</var><strong>;</strong> 15*bbb1b6f9SApple OSS Distributions <strong>vm_behavior_t</strong> <var>behavior</var><strong>;</strong> 16*bbb1b6f9SApple OSS Distributions <strong>unsigned short</strong> <var>user_wired_count</var><strong>;</strong> 17*bbb1b6f9SApple OSS Distributions<strong>};</strong> 18*bbb1b6f9SApple OSS Distributions 19*bbb1b6f9SApple OSS Distributions<strong>typedef struct vm_region_basic_info* vm_region_basic_info_t;</strong> 20*bbb1b6f9SApple OSS Distributions</pre> 21*bbb1b6f9SApple OSS Distributions<h3>FIELDS</h3> 22*bbb1b6f9SApple OSS Distributions<dl> 23*bbb1b6f9SApple OSS Distributions<dt> <var>protection</var> 24*bbb1b6f9SApple OSS Distributions<dd> 25*bbb1b6f9SApple OSS DistributionsThe current protection for the region. 26*bbb1b6f9SApple OSS Distributions<p> 27*bbb1b6f9SApple OSS Distributions<dt> <var>max_protection</var> 28*bbb1b6f9SApple OSS Distributions<dd> 29*bbb1b6f9SApple OSS DistributionsThe maximum protection allowed for the region. 30*bbb1b6f9SApple OSS Distributions<p> 31*bbb1b6f9SApple OSS Distributions<dt> <var>inheritance</var> 32*bbb1b6f9SApple OSS Distributions<dd> 33*bbb1b6f9SApple OSS DistributionsThe inheritance attribute for the region. 34*bbb1b6f9SApple OSS Distributions<p> 35*bbb1b6f9SApple OSS Distributions<dt> <var>shared</var> 36*bbb1b6f9SApple OSS Distributions<dd> 37*bbb1b6f9SApple OSS DistributionsShared indicator. If true, the region is shared by another task. If false, 38*bbb1b6f9SApple OSS Distributionsthe region is not shared. 39*bbb1b6f9SApple OSS Distributions<p> 40*bbb1b6f9SApple OSS Distributions<dt> <var>reserved</var> 41*bbb1b6f9SApple OSS Distributions<dd> 42*bbb1b6f9SApple OSS DistributionsIf true the region is protected from random allocation. 43*bbb1b6f9SApple OSS Distributions<p> 44*bbb1b6f9SApple OSS Distributions<dt> <var>offset</var> 45*bbb1b6f9SApple OSS Distributions<dd> 46*bbb1b6f9SApple OSS DistributionsThe region's offset into the memory object. The region begins at this 47*bbb1b6f9SApple OSS Distributionsoffset. 48*bbb1b6f9SApple OSS Distributions<p> 49*bbb1b6f9SApple OSS Distributions<dt> <var>behavior</var> 50*bbb1b6f9SApple OSS Distributions<dd> 51*bbb1b6f9SApple OSS DistributionsExpected reference pattern for the memory. Valid values are: 52*bbb1b6f9SApple OSS Distributions<dl> 53*bbb1b6f9SApple OSS Distributions<p> 54*bbb1b6f9SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_DEFAULT</strong> 55*bbb1b6f9SApple OSS Distributions<dd> 56*bbb1b6f9SApple OSS DistributionsThe system's default behavior. 57*bbb1b6f9SApple OSS Distributions<p> 58*bbb1b6f9SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_RANDOM</strong> 59*bbb1b6f9SApple OSS Distributions<dd> 60*bbb1b6f9SApple OSS DistributionsNo particular order expected. 61*bbb1b6f9SApple OSS Distributions<p> 62*bbb1b6f9SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_SEQUENTIAL</strong> 63*bbb1b6f9SApple OSS Distributions<dd> 64*bbb1b6f9SApple OSS DistributionsForward sequential order. 65*bbb1b6f9SApple OSS Distributions<p> 66*bbb1b6f9SApple OSS Distributions<dt> <strong>VM_BEHAVIOR_RSEQNTL</strong> 67*bbb1b6f9SApple OSS Distributions<dd> 68*bbb1b6f9SApple OSS DistributionsReverse sequential order. 69*bbb1b6f9SApple OSS Distributions</dl> 70*bbb1b6f9SApple OSS Distributions</dl> 71*bbb1b6f9SApple OSS Distributions<h3>DESCRIPTION</h3> 72*bbb1b6f9SApple OSS Distributions<p> 73*bbb1b6f9SApple OSS DistributionsThe <strong>vm_region_basic_info</strong> structure defines the attributes 74*bbb1b6f9SApple OSS Distributionsof a memory region returned by <strong>vm_region</strong>. 75*bbb1b6f9SApple OSS Distributions<h3>RELATED INFORMATION</h3> 76*bbb1b6f9SApple OSS Distributions<p> 77*bbb1b6f9SApple OSS DistributionsFunctions: 78*bbb1b6f9SApple OSS Distributions<a href="vm_region.html"><strong>vm_region</strong></a>, 79*bbb1b6f9SApple OSS Distributions<a href="vm_inherit.html"><strong>vm_inherit</strong></a>, 80*bbb1b6f9SApple OSS Distributions<a href="vm_protect.html"><strong>vm_protect</strong></a>. 81