Don't use C++ new keyword as a variable name.

This commit is contained in:
matt 2014-09-05 05:36:49 +00:00
parent 2fcd348198
commit 4df9f745e1

View File

@ -1,4 +1,4 @@
/* $NetBSD: uvm_unix.c,v 1.44 2011/02/02 20:07:25 chuck Exp $ */
/* $NetBSD: uvm_unix.c,v 1.45 2014/09/05 05:36:49 matt Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
@ -45,7 +45,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uvm_unix.c,v 1.44 2011/02/02 20:07:25 chuck Exp $");
__KERNEL_RCSID(0, "$NetBSD: uvm_unix.c,v 1.45 2014/09/05 05:36:49 matt Exp $");
#include "opt_pax.h"
@ -75,21 +75,22 @@ sys_obreak(struct lwp *l, const struct sys_obreak_args *uap, register_t *retval)
} */
struct proc *p = l->l_proc;
struct vmspace *vm = p->p_vmspace;
vaddr_t new, old;
vaddr_t nbreak, obreak;
int error;
mutex_enter(&p->p_auxlock);
old = (vaddr_t)vm->vm_daddr;
new = round_page((vaddr_t)SCARG(uap, nsize));
if (new == 0 ||
((new - old) > p->p_rlimit[RLIMIT_DATA].rlim_cur && new > old)) {
obreak = (vaddr_t)vm->vm_daddr;
nbreak = round_page((vaddr_t)SCARG(uap, nsize));
if (nbreak == 0
|| ((nbreak - obreak) > p->p_rlimit[RLIMIT_DATA].rlim_cur
&& nbreak > obreak)) {
mutex_exit(&p->p_auxlock);
return (ENOMEM);
}
old = round_page(old + ptoa(vm->vm_dsize));
obreak = round_page(obreak + ptoa(vm->vm_dsize));
if (new == old) {
if (nbreak == obreak) {
mutex_exit(&p->p_auxlock);
return (0);
}
@ -98,7 +99,7 @@ sys_obreak(struct lwp *l, const struct sys_obreak_args *uap, register_t *retval)
* grow or shrink?
*/
if (new > old) {
if (nbreak > obreak) {
vm_prot_t prot = UVM_PROT_READ | UVM_PROT_WRITE;
vm_prot_t maxprot = UVM_PROT_ALL;
@ -106,7 +107,7 @@ sys_obreak(struct lwp *l, const struct sys_obreak_args *uap, register_t *retval)
pax_mprotect(l, &prot, &maxprot);
#endif /* PAX_MPROTECT */
error = uvm_map(&vm->vm_map, &old, new - old, NULL,
error = uvm_map(&vm->vm_map, &obreak, nbreak - obreak, NULL,
UVM_UNKNOWN_OFFSET, 0,
UVM_MAPFLAG(prot, maxprot,
UVM_INH_COPY,
@ -115,15 +116,15 @@ sys_obreak(struct lwp *l, const struct sys_obreak_args *uap, register_t *retval)
if (error) {
#ifdef DEBUG
uprintf("sbrk: grow %#"PRIxVADDR" failed, error = %d\n",
new - old, error);
nbreak - obreak, error);
#endif
mutex_exit(&p->p_auxlock);
return (error);
}
vm->vm_dsize += atop(new - old);
vm->vm_dsize += atop(nbreak - obreak);
} else {
uvm_deallocate(&vm->vm_map, new, old - new);
vm->vm_dsize -= atop(old - new);
uvm_deallocate(&vm->vm_map, nbreak, obreak - nbreak);
vm->vm_dsize -= atop(obreak - nbreak);
}
mutex_exit(&p->p_auxlock);