osfmk/man/mach_port_limits.html

   1 <h2>mach_port_limits</h2>
   2 <hr>
   3 <p>
   4 <strong>Structure</strong> - Specifies a port's resource and message queue limits.
   5 <h3>SYNOPSIS</h3>
   6 <pre>
   7 <strong>struct mach_port_limits</strong>
   8 <strong>{</strong>
   9        <strong>mach_port_msgcount_t</strong>      <var>queue_limit</var><strong>;</strong>
  10 <strong>};</strong>
  11
  12 <strong>typedef struct mach_port_limits* mach_port_limits_t;</strong>
  13 </pre>
  14 <h3>FIELDS</h3>
  15 <dl>
  16 <dt> <var>queue_limit</var>
  17 <dd>
  18 Number of messages allowed to be on the message queue at any given
  19 time.  Attempts to queue more messages than this limit will block.
  20 </dl>
  21 <h3>DESCRIPTION</h3>
  22 <p>
  23 The <strong>mach_port_limits</strong> structure defines various limits
  24 governing the messages that can be sent through the port. (In the current
  25 implementation, the structure maintains only a queue length limit.)
  26 <h3>RELATED INFORMATION</h3>
  27 <p>
  28 Functions:
  29 <a href="mach_port_get_attributes.html"><strong>mach_port_get_attributes</strong></a>,
  30 <a href="mach_port_set_attributes.html"><strong>mach_port_set_attributes</strong></a>.
  31 <p>
  32 Structures:
  33 <a href="mach_port_qos.html"><strong>mach_port_qos</strong></a>.
  34