1*33de042dSApple OSS Distributions<h2>vm_region_basic_info</h2> 2*33de042dSApple OSS Distributions<hr> 3*33de042dSApple OSS Distributions<p> 4*33de042dSApple OSS Distributions<strong>Structure</strong> - Defines the attributes of a task's memory region. 5*33de042dSApple OSS Distributions<h3>SYNOPSIS</h3> 6*33de042dSApple OSS Distributions<pre> 7*33de042dSApple OSS Distributions<strong>struct vm_region_basic_info</strong> 8*33de042dSApple OSS Distributions<strong>{</strong> 9*33de042dSApple OSS Distributions <strong>vm_prot_t</strong> <var>protection</var><strong>;</strong> 10*33de042dSApple OSS Distributions <strong>vm_prot_t</strong> <var>max_protection</var><strong>;</strong> 11*33de042dSApple OSS Distributions <strong>vm_inherit_t</strong> <var>inheritance</var><strong>;</strong> 12*33de042dSApple OSS Distributions <strong>boolean_t</strong> <var>shared</var><strong>;</strong> 13*33de042dSApple OSS Distributions <strong>boolean_t</strong> <var>reserved</var><strong>;</strong> 14*33de042dSApple OSS Distributions <strong>vm_offset_t</strong> <var>offset</var><strong>;</strong> 15*33de042dSApple OSS Distributions <strong>vm_behavior_t</strong> <var>behavior</var><strong>;</strong> 16*33de042dSApple OSS Distributions <strong>unsigned short</strong> <var>user_wired_count</var><strong>;</strong> 17*33de042dSApple OSS Distributions<strong>};</strong> 18*33de042dSApple OSS Distributions 19*33de042dSApple OSS Distributions<strong>typedef struct vm_region_basic_info* vm_region_basic_info_t;</strong> 20*33de042dSApple OSS Distributions</pre> 21*33de042dSApple OSS Distributions<h3>FIELDS</h3> 22*33de042dSApple OSS Distributions<dl> 23*33de042dSApple OSS Distributions<dt> <var>protection</var> 24*33de042dSApple OSS Distributions<dd> 25*33de042dSApple OSS DistributionsThe current protection for the region. 26*33de042dSApple OSS Distributions<p> 27*33de042dSApple OSS Distributions<dt> <var>max_protection</var> 28*33de042dSApple OSS Distributions<dd> 29*33de042dSApple OSS DistributionsThe maximum protection allowed for the region. 30*33de042dSApple OSS Distributions<p> 31*33de042dSApple OSS Distributions<dt> <var>inheritance</var> 32*33de042dSApple OSS Distributions<dd> 33*33de042dSApple OSS DistributionsThe inheritance attribute for the region. 34*33de042dSApple OSS Distributions<p> 35*33de042dSApple OSS Distributions<dt> <var>shared</var> 36*33de042dSApple OSS Distributions<dd> 37*33de042dSApple OSS DistributionsShared indicator. If true, the region is shared by another task. If false, 38*33de042dSApple OSS Distributionsthe region is not shared. 39*33de042dSApple OSS Distributions<p> 40*33de042dSApple OSS Distributions<dt> <var>reserved</var> 41*33de042dSApple OSS Distributions<dd> 42*33de042dSApple OSS DistributionsIf true the region is protected from random allocation. 43*33de042dSApple OSS Distributions<p> 44*33de042dSApple OSS Distributions<dt> <var>offset</var> 45*33de042dSApple OSS Distributions<dd> 46*33de042dSApple OSS DistributionsThe region's offset into the memory object. The region begins at this 47*33de042dSApple OSS Distributionsoffset. 48*33de042dSApple OSS Distributions<p> 49*33de042dSApple OSS Distributions<dt> <var>behavior</var> 50*33de042dSApple OSS Distributions<dd> 51*33de042dSApple OSS DistributionsExpected reference pattern for the memory. Valid values are: 52*33de042dSApple OSS Distributions<dl> 53*33de042dSApple OSS Distributions<p> 54*33de042dSApple OSS Distributions<dt> <strong>VM_BEHAVIOR_DEFAULT</strong> 55*33de042dSApple OSS Distributions<dd> 56*33de042dSApple OSS DistributionsThe system's default behavior. 57*33de042dSApple OSS Distributions<p> 58*33de042dSApple OSS Distributions<dt> <strong>VM_BEHAVIOR_RANDOM</strong> 59*33de042dSApple OSS Distributions<dd> 60*33de042dSApple OSS DistributionsNo particular order expected. 61*33de042dSApple OSS Distributions<p> 62*33de042dSApple OSS Distributions<dt> <strong>VM_BEHAVIOR_SEQUENTIAL</strong> 63*33de042dSApple OSS Distributions<dd> 64*33de042dSApple OSS DistributionsForward sequential order. 65*33de042dSApple OSS Distributions<p> 66*33de042dSApple OSS Distributions<dt> <strong>VM_BEHAVIOR_RSEQNTL</strong> 67*33de042dSApple OSS Distributions<dd> 68*33de042dSApple OSS DistributionsReverse sequential order. 69*33de042dSApple OSS Distributions</dl> 70*33de042dSApple OSS Distributions</dl> 71*33de042dSApple OSS Distributions<h3>DESCRIPTION</h3> 72*33de042dSApple OSS Distributions<p> 73*33de042dSApple OSS DistributionsThe <strong>vm_region_basic_info</strong> structure defines the attributes 74*33de042dSApple OSS Distributionsof a memory region returned by <strong>vm_region</strong>. 75*33de042dSApple OSS Distributions<h3>RELATED INFORMATION</h3> 76*33de042dSApple OSS Distributions<p> 77*33de042dSApple OSS DistributionsFunctions: 78*33de042dSApple OSS Distributions<a href="vm_region.html"><strong>vm_region</strong></a>, 79*33de042dSApple OSS Distributions<a href="vm_inherit.html"><strong>vm_inherit</strong></a>, 80*33de042dSApple OSS Distributions<a href="vm_protect.html"><strong>vm_protect</strong></a>. 81