1
2 #include "syslib.h"
3
4 #include <minix/safecopies.h>
5
sys_safecopyfrom(endpoint_t src_e,cp_grant_id_t gr_id,vir_bytes offset,vir_bytes address,size_t bytes)6 int sys_safecopyfrom(endpoint_t src_e,
7 cp_grant_id_t gr_id, vir_bytes offset,
8 vir_bytes address, size_t bytes)
9 {
10 /* Transfer a block of data for which the other process has previously
11 * given permission.
12 */
13
14 message copy_mess;
15
16 copy_mess.m_lsys_kern_safecopy.from_to = src_e;
17 copy_mess.m_lsys_kern_safecopy.gid = gr_id;
18 copy_mess.m_lsys_kern_safecopy.offset = offset;
19 copy_mess.m_lsys_kern_safecopy.address = (void *)address;
20 copy_mess.m_lsys_kern_safecopy.bytes = bytes;
21
22 return(_kernel_call(SYS_SAFECOPYFROM, ©_mess));
23
24 }
25
sys_safecopyto(endpoint_t dst_e,cp_grant_id_t gr_id,vir_bytes offset,vir_bytes address,size_t bytes)26 int sys_safecopyto(endpoint_t dst_e,
27 cp_grant_id_t gr_id, vir_bytes offset,
28 vir_bytes address, size_t bytes)
29 {
30 /* Transfer a block of data for which the other process has previously
31 * given permission.
32 */
33
34 message copy_mess;
35
36 copy_mess.m_lsys_kern_safecopy.from_to = dst_e;
37 copy_mess.m_lsys_kern_safecopy.gid = gr_id;
38 copy_mess.m_lsys_kern_safecopy.offset = offset;
39 copy_mess.m_lsys_kern_safecopy.address = (void *)address;
40 copy_mess.m_lsys_kern_safecopy.bytes = bytes;
41
42 return(_kernel_call(SYS_SAFECOPYTO, ©_mess));
43
44 }
45