src/kernel/system/do_safecopy.c File Reference

#include <minix/type.h>
#include <minix/safecopies.h>
#include "../system.h"

Go to the source code of this file.

Defines
#define	MAX_INDIRECT_DEPTH   5
#define	MEM_TOP   0xFFFFFFFFUL
#define	USE_COW_SAFECOPY   0
#define	HASGRANTTABLE(gr)   (!RTS_ISSET(gr, RTS_NO_PRIV) && priv(gr) && priv(gr)->s_grant_table > 0)
Functions
FORWARD	_PROTOTYPE (int safecopy,(endpoint_t, endpoint_t, cp_grant_id_t, int, int, size_t, vir_bytes, vir_bytes, int))
PUBLIC int	verify_grant (endpoint_t granter, endpoint_t grantee, cp_grant_id_t grant, vir_bytes bytes, int access, vir_bytes offset_in, vir_bytes *offset_result, endpoint_t *e_granter)
PRIVATE int	safecopy (endpoint_t granter, endpoint_t grantee, cp_grant_id_t grantid, int src_seg, int dst_seg, size_t bytes, vir_bytes g_offset, vir_bytes addr, int access)
PUBLIC int	do_safecopy (message *m_ptr)
PUBLIC int	do_vsafecopy (message *m_ptr)

---

Define Documentation

#define HASGRANTTABLE

(

gr

)

(!RTS_ISSET(gr, RTS_NO_PRIV) && priv(gr) && priv(gr)->s_grant_table > 0)

Definition at line 30 of file do_safecopy.c.

#define MAX_INDIRECT_DEPTH   5

Definition at line 22 of file do_safecopy.c.

#define MEM_TOP   0xFFFFFFFFUL

Definition at line 24 of file do_safecopy.c.

#define USE_COW_SAFECOPY   0

Definition at line 26 of file do_safecopy.c.

---

Function Documentation

FORWARD _PROTOTYPE	(	int	safecopy,
		(endpoint_t, endpoint_t, cp_grant_id_t, int, int, size_t, vir_bytes, vir_bytes, int)
	)

PUBLIC int do_safecopy

(

message *

m_ptr

)

Definition at line 331 of file do_safecopy.c.

PUBLIC int do_vsafecopy

(

message *

m_ptr

)

Definition at line 355 of file do_safecopy.c.

PRIVATE int safecopy	(	endpoint_t	granter,
		endpoint_t	grantee,
		cp_grant_id_t	grantid,
		int	src_seg,
		int	dst_seg,
		size_t	bytes,
		vir_bytes	g_offset,
		vir_bytes	addr,
		int	access
	)

Definition at line 220 of file do_safecopy.c.

PUBLIC int verify_grant	(	endpoint_t	granter,
		endpoint_t	grantee,
		cp_grant_id_t	grant,
		vir_bytes	bytes,
		int	access,
		vir_bytes	offset_in,
		vir_bytes *	offset_result,
		endpoint_t *	e_granter
	)

Definition at line 36 of file do_safecopy.c.