4f294c247f
This patch mainly copies and modifies files existing in the current libc implementing minix specific functions. To keep consisten with the NetBSD libc, we remove namespace stubs and we use "namespace.h" and weak links.
44 lines
723 B
C
44 lines
723 B
C
#define _SYSTEM 1
|
|
#define _MINIX 1
|
|
#include <sys/cdefs.h>
|
|
#include <lib.h>
|
|
#include "namespace.h"
|
|
|
|
#include <minix/rs.h>
|
|
#include <sys/types.h>
|
|
#include <sys/ipc.h>
|
|
#include <sys/shm.h>
|
|
#include <stdlib.h>
|
|
#include <errno.h>
|
|
|
|
|
|
#ifdef __weak_alias
|
|
__weak_alias(shmget, _shmget)
|
|
#endif
|
|
|
|
static int get_ipc_endpt(endpoint_t *pt)
|
|
{
|
|
return minix_rs_lookup("ipc", pt);
|
|
}
|
|
|
|
/* Get shared memory segment. */
|
|
int shmget(key_t key, size_t size, int shmflg)
|
|
{
|
|
message m;
|
|
endpoint_t ipc_pt;
|
|
int r;
|
|
|
|
if (get_ipc_endpt(&ipc_pt) != OK) {
|
|
errno = ENOSYS;
|
|
return -1;
|
|
}
|
|
|
|
m.SHMGET_KEY = key;
|
|
m.SHMGET_SIZE = size;
|
|
m.SHMGET_FLAG = shmflg;
|
|
|
|
r = _syscall(ipc_pt, IPC_SHMGET, &m);
|
|
if (r != OK)
|
|
return r;
|
|
return m.SHMGET_RETID;
|
|
}
|