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make sysctl vm.loadavg work.

This commit is contained in:
mrg 2001-02-04 06:35:07 +00:00
parent 0393c88566
commit 2aa001b546
2 changed files with 62 additions and 3 deletions
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7
sys/compat/netbsd32/netbsd32.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: netbsd32.h,v 1.16 2001/02/02 07:08:17 mrg Exp $ */
/* $NetBSD: netbsd32.h,v 1.17 2001/02/04 06:35:07 mrg Exp $ */
/*
* Copyright (c) 1998 Matthew R. Green
@ -170,6 +170,11 @@ typedef u_int32_t netbsd32_orlimitp_t;
typedef u_int32_t netbsd32_rlimitp_t;
struct netbsd32_loadavg {
fixpt_t ldavg[3];
netbsd32_long fscale;
};
/* from <sys/ipc.h> */
typedef u_int32_t netbsd32_ipc_permp_t;
struct netbsd32_ipc_perm {

58
sys/compat/netbsd32/netbsd32_netbsd.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: netbsd32_netbsd.c,v 1.51 2001/02/03 12:46:55 mrg Exp $ */
/* $NetBSD: netbsd32_netbsd.c,v 1.52 2001/02/04 06:35:08 mrg Exp $ */
/*
* Copyright (c) 1998 Matthew R. Green
@ -127,6 +127,7 @@ static __inline void netbsd32_to_shmid_ds __P((struct netbsd32_shmid_ds *, struc
static __inline void netbsd32_from_shmid_ds __P((struct shmid_ds *, struct netbsd32_shmid_ds *));
static __inline void netbsd32_to_semid_ds __P((struct netbsd32_semid_ds *, struct semid_ds *));
static __inline void netbsd32_from_semid_ds __P((struct semid_ds *, struct netbsd32_semid_ds *));
static __inline void netbsd32_from_loadavg __P((struct netbsd32_loadavg *, struct loadavg *));
/* note that the netbsd32_msghdr's iov really points to a struct iovec, not a netbsd32_iovec. */
@ -609,6 +610,18 @@ netbsd32_from_semid_ds(dsp, s32dsp)
s32dsp->sem_ctime = dsp->sem_ctime;
}
static __inline void
netbsd32_from_loadavg(av32, av)
struct netbsd32_loadavg *av32;
struct loadavg *av;
{
av32->ldavg[0] = av->ldavg[0];
av32->ldavg[1] = av->ldavg[1];
av32->ldavg[2] = av->ldavg[2];
av32->fscale = (netbsd32_long)av->fscale;
}
/*
* below are all the standard NetBSD system calls, in the 32bit
* environment, with the necessary conversions to 64bit before
@ -4256,6 +4269,40 @@ netbsd32_ftruncate(p, v, retval)
return (sys_ftruncate(p, &ua, retval));
}
int uvm_sysctl32(int *, u_int, void *, size_t *, void *, size_t, struct proc *);
/*
* uvm_sysctl32: sysctl hook into UVM system, handling special 32-bit
* sensitive calls.
*/
int
uvm_sysctl32(name, namelen, oldp, oldlenp, newp, newlen, p)
int *name;
u_int namelen;
void *oldp;
size_t *oldlenp;
void *newp;
size_t newlen;
struct proc *p;
{
struct netbsd32_loadavg av32;
/* all sysctl names at this level are terminal */
if (namelen != 1)
return (ENOTDIR); /* overloaded */
switch (name[0]) {
case VM_LOADAVG:
netbsd32_from_loadavg(&av32, &averunnable);
return (sysctl_rdstruct(oldp, oldlenp, newp, &av32,
sizeof(av32)));
default:
return (EOPNOTSUPP);
}
/* NOTREACHED */
}
int
netbsd32___sysctl(p, v, retval)
struct proc *p;
@ -4303,7 +4350,14 @@ netbsd32___sysctl(p, v, retval)
fn = hw_sysctl;
break;
case CTL_VM:
fn = uvm_sysctl;
switch (name[1]) {
case VM_LOADAVG:
fn = uvm_sysctl32; /* need to convert a `long' */
break;
default:
fn = uvm_sysctl;
break;
}
break;
case CTL_NET:
fn = net_sysctl;