minix/lib/syslib/sys_safecopy.c
David van Moolenbroek ac9ab099c8 General cleanup:
- clean up kernel section of minix/com.h somewhat
- remove ALLOCMEM and VM_ALLOCMEM calls
- remove non-safecopy and minix-vmd support from Inet
- remove SYS_VIRVCOPY and SYS_PHYSVCOPY calls
- remove obsolete segment encoding in SYS_SAFECOPY*
- remove DEVCTL call, svrctl(FSDEVUNMAP), map_driverX
- remove declarations of unimplemented svrctl requests
- remove everything related to swapping to disk
- remove floppysetup.sh
- remove traces of rescue device
- update DESCRIBE.sh with new devices
- some other small changes
2010-01-05 19:39:27 +00:00

48 lines
1.1 KiB
C

#include "syslib.h"
#include <minix/safecopies.h>
PUBLIC int sys_safecopyfrom(endpoint_t src_e,
cp_grant_id_t gr_id, vir_bytes offset,
vir_bytes address, size_t bytes,
int my_seg)
{
/* Transfer a block of data for which the other process has previously
* given permission.
*/
message copy_mess;
copy_mess.SCP_FROM_TO = src_e;
copy_mess.SCP_SEG = my_seg;
copy_mess.SCP_GID = gr_id;
copy_mess.SCP_OFFSET = (long) offset;
copy_mess.SCP_ADDRESS = (char *) address;
copy_mess.SCP_BYTES = (long) bytes;
return(_taskcall(SYSTASK, SYS_SAFECOPYFROM, &copy_mess));
}
PUBLIC int sys_safecopyto(endpoint_t dst_e,
cp_grant_id_t gr_id, vir_bytes offset,
vir_bytes address, size_t bytes,
int my_seg)
{
/* Transfer a block of data for which the other process has previously
* given permission.
*/
message copy_mess;
copy_mess.SCP_FROM_TO = dst_e;
copy_mess.SCP_SEG = my_seg;
copy_mess.SCP_GID = gr_id;
copy_mess.SCP_OFFSET = (long) offset;
copy_mess.SCP_ADDRESS = (char *) address;
copy_mess.SCP_BYTES = (long) bytes;
return(_taskcall(SYSTASK, SYS_SAFECOPYTO, &copy_mess));
}