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mlock(2) and munlock(2) are defined by our man pages (which agree with 

those on opengroup.org) to return ENOMEM if trying to lock a region that
is not accessible.  So if uvm_map_pageable() returns EFAULT, make it ENOMEM.
This commit is contained in:
briggs 2004-12-02 15:23:47 +00:00
parent 3710bb4378
commit ddcb68edd6
1 changed files with 6 additions and 2 deletions
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8
sys/uvm/uvm_mmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: uvm_mmap.c,v 1.84 2004/05/25 14:55:46 hannken Exp $ */
/* $NetBSD: uvm_mmap.c,v 1.85 2004/12/02 15:23:47 briggs Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
@ -51,7 +51,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uvm_mmap.c,v 1.84 2004/05/25 14:55:46 hannken Exp $");
__KERNEL_RCSID(0, "$NetBSD: uvm_mmap.c,v 1.85 2004/12/02 15:23:47 briggs Exp $");
#include "opt_compat_netbsd.h"
@ -935,6 +935,8 @@ sys_mlock(l, v, retval)
error = uvm_map_pageable(&p->p_vmspace->vm_map, addr, addr+size, FALSE,
0);
if (error == EFAULT)
error = ENOMEM;
return error;
}
@ -984,6 +986,8 @@ sys_munlock(l, v, retval)
error = uvm_map_pageable(&p->p_vmspace->vm_map, addr, addr+size, TRUE,
0);
if (error == EFAULT)
error = ENOMEM;
return error;
}