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set error if anonmmap fails

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This commit is contained in:
pooka 2009-01-27 10:05:08 +00:00
parent bd401b81df
commit ac23346377
1 changed files with 5 additions and 3 deletions
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8
sys/rump/librump/rumpuser/rumpuser.c
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@ -1,4 +1,4 @@
/* $NetBSD: rumpuser.c,v 1.30 2009/01/23 19:19:32 pooka Exp $ */
/* $NetBSD: rumpuser.c,v 1.31 2009/01/27 10:05:08 pooka Exp $ */
/*
* Copyright (c) 2007 Antti Kantee. All Rights Reserved.
@ -30,7 +30,7 @@
#include <sys/cdefs.h>
#if !defined(lint)
__RCSID("$NetBSD: rumpuser.c,v 1.30 2009/01/23 19:19:32 pooka Exp $");
__RCSID("$NetBSD: rumpuser.c,v 1.31 2009/01/27 10:05:08 pooka Exp $");
#endif /* !lint */
/* thank the maker for this */
@ -134,8 +134,10 @@ rumpuser_anonmmap(size_t size, int alignbit, int exec, int *error)
prot |= PROT_EXEC;
/* XXX: MAP_ALIGNED() is not portable */
rv = mmap(NULL, size, prot, MAP_ANON | MAP_ALIGNED(alignbit), -1, 0);
if (rv == MAP_FAILED)
if (rv == MAP_FAILED) {
*error = errno;
return NULL;
}
return rv;
}