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add {proc,lwp}_initspecific and use them to init proc0 and lwp0.

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This commit is contained in:
christos 2006-10-08 22:57:11 +00:00
parent 3ad77842ea
commit 057b918239
4 changed files with 29 additions and 11 deletions
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15
sys/kern/kern_lwp.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_lwp.c,v 1.41 2006/10/08 04:28:44 thorpej Exp $ */
/* $NetBSD: kern_lwp.c,v 1.42 2006/10/08 22:57:11 christos Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_lwp.c,v 1.41 2006/10/08 04:28:44 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_lwp.c,v 1.42 2006/10/08 22:57:11 christos Exp $");
#include "opt_multiprocessor.h"
@ -499,8 +499,7 @@ newlwp(struct lwp *l1, struct proc *p2, vaddr_t uaddr, boolean_t inmem,
l2->l_forw = l2->l_back = NULL;
l2->l_proc = p2;
error = specificdata_init(lwp_specificdata_domain, &l2->l_specdataref);
KASSERT(error == 0);
lwp_initspecific(l2);
memset(&l2->l_startzero, 0,
(unsigned) ((caddr_t)&l2->l_endzero -
@ -788,6 +787,14 @@ lwp_specific_key_delete(specificdata_key_t key)
specificdata_key_delete(lwp_specificdata_domain, key);
}
void
lwp_initspecific(struct lwp *l)
{
int error;
error = specificdata_init(lwp_specificdata_domain, &l->l_specdataref);
KASSERT(error == 0);
}
/*
* lwp_getspecific --
* Return lwp-specific data corresponding to the specified key.

19
sys/kern/kern_proc.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_proc.c,v 1.95 2006/10/08 04:28:44 thorpej Exp $ */
/* $NetBSD: kern_proc.c,v 1.96 2006/10/08 22:57:11 christos Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -69,7 +69,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_proc.c,v 1.95 2006/10/08 04:28:44 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_proc.c,v 1.96 2006/10/08 22:57:11 christos Exp $");
#include "opt_kstack.h"
#include "opt_maxuprc.h"
@ -377,6 +377,9 @@ proc0_init(void)
/* Initialize signal state for proc0. */
p->p_sigacts = &sigacts0;
siginit(p);
proc_initspecific(p);
lwp_initspecific(l);
}
/*
@ -615,9 +618,7 @@ proc_alloc(void)
p = pool_get(&proc_pool, PR_WAITOK);
p->p_stat = SIDL; /* protect against others */
error = specificdata_init(proc_specificdata_domain, &p->p_specdataref);
KASSERT(error == 0);
proc_initspecific(p);
/* allocate next free pid */
for (;;expand_pid_table()) {
@ -1309,6 +1310,14 @@ proc_specific_key_delete(specificdata_key_t key)
specificdata_key_delete(proc_specificdata_domain, key);
}
void
proc_initspecific(struct proc *p)
{
int error;
error = specificdata_init(proc_specificdata_domain, &p->p_specdataref);
KASSERT(error == 0);
}
/*
* proc_getspecific --
* Return proc-specific data corresponding to the specified key.

3
sys/sys/lwp.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: lwp.h,v 1.42 2006/10/08 04:28:44 thorpej Exp $ */
/* $NetBSD: lwp.h,v 1.43 2006/10/08 22:57:11 christos Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -204,6 +204,7 @@ void lwp_update_creds(struct lwp *);
int lwp_specific_key_create(specificdata_key_t *, specificdata_dtor_t);
void lwp_specific_key_delete(specificdata_key_t);
void lwp_initspecific(struct lwp *);
void * lwp_getspecific(struct lwp *, specificdata_key_t);
void lwp_setspecific(struct lwp *, specificdata_key_t, void *);
#endif /* _KERNEL */

3
sys/sys/proc.h
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@ -1,4 +1,4 @@
/* $NetBSD: proc.h,v 1.228 2006/10/08 04:28:44 thorpej Exp $ */
/* $NetBSD: proc.h,v 1.229 2006/10/08 22:57:11 christos Exp $ */
/*-
* Copyright (c) 1986, 1989, 1991, 1993
@ -519,6 +519,7 @@ void proc_crmod_enter(struct proc *);
int proc_specific_key_create(specificdata_key_t *, specificdata_dtor_t);
void proc_specific_key_delete(specificdata_key_t);
void proc_initspecific(struct proc *);
void * proc_getspecific(struct proc *, specificdata_key_t);
void proc_setspecific(struct proc *, specificdata_key_t, void *);