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* mmap.cc (mmap): Don't reuse anonymous memory in MAP_FIXED case.

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Corinna Vinschen 2001-09-18 17:10:09 +00:00
parent b244a68909
commit 7cffc34564
2 changed files with 5 additions and 1 deletions
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4
winsup/cygwin/ChangeLog
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@ -1,3 +1,7 @@
Tue Sep 18 18:21:00 2001 Corinna Vinschen <corinna@vinschen.de>
* mmap.cc (mmap): Don't reuse anonymous memory in MAP_FIXED case.
Mon Sep 17 17:29:25 2001 Christopher Faylor <cgf@cygnus.com>
* include/io.h: Add access declaration.

2
winsup/cygwin/mmap.cc
View File

@ -503,7 +503,7 @@ mmap (caddr_t addr, size_t len, int prot, int flags, int fd, off_t off)
/* First check if this mapping matches into the chunk of another
already performed mapping. Only valid for MAP_ANON in a special
case of MAP_PRIVATE. */
if (l && fd == -1 && off == 0)
if (l && fd == -1 && off == 0 && !(flags & MAP_FIXED))
{
mmap_record *rec;
if ((rec = l->match (off, len)) != NULL)