minix/lib/sysvipc/ds.c
2009-09-21 14:41:03 +00:00

41 lines
702 B
C

#define _SYSTEM 1
#define _MINIX 1
#include <minix/callnr.h>
#include <minix/com.h>
#include <minix/config.h>
#include <minix/ipc.h>
#include <minix/endpoint.h>
#include <minix/sysutil.h>
#include <minix/syslib.h>
#include <minix/const.h>
#include <minix/type.h>
#include <minix/ds.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
int mini_ds_retrieve_u32(char *ds_name, u32_t *value)
{
int r;
message m;
size_t len_key;
len_key = strlen(ds_name)+1;
m.DS_KEY_GRANT = ds_name;
m.DS_KEY_LEN = len_key;
m.DS_FLAGS = DS_TYPE_U32;
r = _taskcall(DS_PROC_NR, DS_RETRIEVE_LIBC, &m);
if(r == OK) {
/* Assign u32 value. */
*value = m.DS_VAL;
}
return r;
}