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ntdll: Only require MAP_SHARED for writable mappings. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
oldstable
Alexandre Julliard 2017-12-12 15:15:02 +01:00
parent ff53db7e63
commit dac252ecb4
1 changed files with 1 additions and 1 deletions
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2
dlls/ntdll/virtual.c
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@ -1146,7 +1146,7 @@ static NTSTATUS map_file_into_view( struct file_view *view, int fd, size_t start
{
void *ptr;
int prot = VIRTUAL_GetUnixProt( vprot | VPROT_COMMITTED /* make sure it is accessible */ );
unsigned int flags = MAP_FIXED | ((vprot & VPROT_WRITECOPY) ? MAP_PRIVATE : MAP_SHARED);
unsigned int flags = MAP_FIXED | ((vprot & VPROT_WRITE) ? MAP_SHARED : MAP_PRIVATE);
assert( start < view->size );
assert( start + size <= view->size );