[apple/xnu.git] / osfmk / man / mach_port_limits.html

<h2>mach_port_limits</h2>\r<hr>\r<p>\r<strong>Structure</strong> - Specifies a port's resource and message queue limits.\r<h3>SYNOPSIS</h3>\r<pre>\r<strong>struct mach_port_limits</strong>\r<strong>{</strong>\r       <strong>mach_port_msgcount_t</strong>      <var>queue_limit</var><strong>;</strong>\r<strong>};</strong>\r\r<strong>typedef struct mach_port_limits* mach_port_limits_t;</strong>\r</pre>\r<h3>FIELDS</h3>\r<dl>\r<dt> <var>queue_limit</var>\r<dd>\rNumber of messages allowed to be on the message queue at any given \rtime.  Attempts to queue more messages than this limit will block.\r</dl>\r<h3>DESCRIPTION</h3>\r<p>\rThe <strong>mach_port_limits</strong> structure defines various limits\rgoverning the messages that can be sent through the port. (In the current\rimplementation, the structure maintains only a queue length limit.)\r<h3>RELATED INFORMATION</h3>\r<p>\rFunctions:\r<a href="mach_port_get_attributes.html"><strong>mach_port_get_attributes</strong></a>,\r<a href="mach_port_set_attributes.html"><strong>mach_port_set_attributes</strong></a>.\r<p>\rStructures:\r<a href="mach_port_qos.html"><strong>mach_port_qos</strong></a>.\r\r