vec_prefix Struct Reference

#include <vec.h>

Public Member Functions
void	register_overhead (void *, size_t, size_t CXX_MEM_STAT_INFO)
void	release_overhead (void *, size_t, size_t, bool CXX_MEM_STAT_INFO)

Static Public Member Functions
static unsigned	calculate_allocation (vec_prefix *, unsigned, bool)
static unsigned	calculate_allocation_1 (unsigned, unsigned)

Data Fields
unsigned	m_alloc: 31
unsigned	m_using_auto_storage: 1
unsigned	m_num

Friends
template<typename , typename , typename >
struct	vec
struct	va_gc
struct	va_gc_atomic
struct	va_heap

Detailed Description

Control data for vectors.  This contains the number of allocated
and used slots inside a vector.   

Member Function Documentation

calculate_allocation()

unsigned vec_prefix::calculate_allocation ( vec_prefix * pfx, unsigned reserve, bool exact )

inlinestatic

Calculate the number of slots to reserve a vector, making sure that
RESERVE slots are free.  If EXACT grow exactly, otherwise grow
exponentially.  PFX is the control data for the vector.   

References calculate_allocation_1(), ggc_alloc(), and MAX.

Referenced by va_gc::reserve(), and va_heap::reserve().

calculate_allocation_1()

unsigned vec_prefix::calculate_allocation_1 ( unsigned alloc, unsigned desired )

static

Calculate the number of slots to reserve a vector, making sure that
it is of at least DESIRED size by growing ALLOC exponentially.   

References gcc_assert, and ggc_alloc().

Referenced by calculate_allocation().

register_overhead()

void vec_prefix::register_overhead	(	void *	,
		size_t	,
		size_t	CXX_MEM_STAT_INFO )

Account the overhead.   

References FINAL_PASS_MEM_STAT, ggc_alloc(), vec_usage::m_element_size, usage(), vec_mem_desc, and VEC_ORIGIN.

release_overhead()

void vec_prefix::release_overhead	(	void *	,
		size_t	,
		size_t	,
		bool	CXX_MEM_STAT_INFO )

Notice that the memory allocated for the vector has been freed.   

References FINAL_PASS_MEM_STAT, ggc_alloc(), vec_usage::m_items, usage(), vec_mem_desc, and VEC_ORIGIN.

Friends And Related Symbol Documentation

va_gc

friend struct va_gc

friend

va_gc_atomic

friend struct va_gc_atomic

friend

va_heap

friend struct va_heap

friend

vec

template<typename , typename , typename >

friend struct vec

friend

Field Documentation

m_alloc

unsigned vec_prefix::m_alloc

m_num

unsigned vec_prefix::m_num

m_using_auto_storage

unsigned vec_prefix::m_using_auto_storage

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

• vec.h
• vec.cc