vspace::internals::refcount_t Struct Reference

#include <vspace.h>

Public Member Functions
	refcount_t (ptrdiff_t init)
ptrdiff_t	inc (vaddr_t vaddr)
ptrdiff_t	dec (vaddr_t vaddr)

Static Public Member Functions
static void	lock (vaddr_t vaddr)
static void	unlock (vaddr_t vaddr)

Data Fields
ptrdiff_t	rc

Detailed Description

Definition at line 321 of file vspace.h.

Constructor & Destructor Documentation

refcount_t()

vspace::internals::refcount_t::refcount_t ( ptrdiff_t  init )

inline

Definition at line 329 of file vspace.h.

                             : rc(init) {
  }

Member Function Documentation

dec()

ptrdiff_t vspace::internals::refcount_t::dec ( vaddr_t  vaddr )

inline

Definition at line 337 of file vspace.h.

                               {
    lock(vaddr);
    ptrdiff_t result = --rc;
    unlock(vaddr);
    return result;
  }

inc()

ptrdiff_t vspace::internals::refcount_t::inc ( vaddr_t  vaddr )

inline

Definition at line 331 of file vspace.h.

                               {
    lock(vaddr);
    ptrdiff_t result = ++rc;
    unlock(vaddr);
    return result;
  }

lock()

static void vspace::internals::refcount_t::lock ( vaddr_t  vaddr )

inlinestatic

Definition at line 323 of file vspace.h.

                                  {
    lock_file(vmem.fd, METABLOCK_SIZE + vaddr);
  }

unlock()

static void vspace::internals::refcount_t::unlock ( vaddr_t  vaddr )

inlinestatic

Definition at line 326 of file vspace.h.

                                    {
    unlock_file(vmem.fd, METABLOCK_SIZE + vaddr);
  }

Field Documentation

rc

ptrdiff_t vspace::internals::refcount_t::rc

Definition at line 322 of file vspace.h.

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The documentation for this struct was generated from the following file:

• kernel/oswrapper/vspace.h