mach.subproj/port_obj.c

   1 /*
   2  * @OSF_COPYRIGHT@
   3  */
   4
   5 /*
   6  * Define a service to map from a kernel-generated port name
   7  * to server-defined "type" and "value" data to be associated
   8  * with the port.
   9  */
  10 #include <mach/port_obj.h>
  11 #include <mach/mach.h>
  12
  13 #define DEFAULT_TABLE_SIZE      (64 * 1024)
  14
  15 struct port_obj_tentry *port_obj_table;
  16 int port_obj_table_size = DEFAULT_TABLE_SIZE;
  17
  18 void port_obj_init(
  19         int maxsize)
  20 {
  21         kern_return_t kr;
  22
  23         kr = vm_allocate(mach_task_self(),
  24                 (vm_offset_t *)&port_obj_table,
  25                 (vm_size_t)(maxsize * sizeof (*port_obj_table)),
  26                 TRUE);
  27         if (kr != KERN_SUCCESS)
  28                 panic("port_obj_init: can't vm_allocate");
  29 }