xv6/umalloc.c File Reference

#include "types.h"
#include "stat.h"
#include "user.h"
#include "param.h"

Go to the source code of this file.

Data Structures
union	header
Typedefs
typedef long	Align
typedef union header	Header
Functions
void	free (void *ap)
static Header *	morecore (uint nu)
void *	malloc (uint nbytes)
Variables
static Header	base
static Header *	freep

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Typedef Documentation

typedef long Align

Definition at line 9 of file umalloc.c.

typedef union header Header

Definition at line 19 of file umalloc.c.

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Function Documentation

void free

(

void *

ap

)

Definition at line 25 of file umalloc.c.

References header::ptr, header::s, and header::size.

Referenced by mem(), and morecore().

void* malloc

(

uint

nbytes

)

Definition at line 64 of file umalloc.c.

References morecore(), header::ptr, header::s, and header::size.

Referenced by backcmd(), execcmd(), listcmd(), mem(), pipecmd(), and redircmd().

static Header* morecore

(

uint

nu

)

[static]

Definition at line 47 of file umalloc.c.

References free(), PAGE, header::s, sbrk(), and header::size.

Referenced by malloc().

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Variable Documentation

Header base [static]

Definition at line 21 of file umalloc.c.

Header* freep [static]

Definition at line 22 of file umalloc.c.