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Fixed MEM_SYSTEM handling to avoid unmapping areas that we didn't mmap.

oldstable
Alexandre Julliard 2001-02-20 00:52:41 +00:00
parent 5ab5e1c5df
commit fe5b19d15b
1 changed files with 11 additions and 7 deletions
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18
memory/virtual.c
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@ -771,11 +771,17 @@ LPVOID WINAPI VirtualAlloc(
if ((type & MEM_RESERVE) || !base)
{
view_size = size + (base ? 0 : granularity_mask + 1);
if (type & MEM_SYSTEM)
ptr = base;
else
ptr = (UINT)wine_anon_mmap( (LPVOID)base, view_size, VIRTUAL_GetUnixProt( vprot ), 0 );
{
if (!(view = VIRTUAL_CreateView( base, size, VFLAG_VALLOC | VFLAG_SYSTEM, vprot, 0 )))
{
SetLastError( ERROR_OUTOFMEMORY );
return NULL;
}
return (LPVOID)base;
}
view_size = size + (base ? 0 : granularity_mask + 1);
ptr = (UINT)wine_anon_mmap( (LPVOID)base, view_size, VIRTUAL_GetUnixProt( vprot ), 0 );
if (ptr == (UINT)-1)
{
SetLastError( ERROR_OUTOFMEMORY );
@ -803,9 +809,7 @@ LPVOID WINAPI VirtualAlloc(
SetLastError( ERROR_INVALID_ADDRESS );
return NULL;
}
if (!(view = VIRTUAL_CreateView( ptr, size,
VFLAG_VALLOC | ((type & MEM_SYSTEM) ? VFLAG_SYSTEM : 0),
vprot, 0 )))
if (!(view = VIRTUAL_CreateView( ptr, size, VFLAG_VALLOC, vprot, 0 )))
{
munmap( (void *)ptr, size );
SetLastError( ERROR_OUTOFMEMORY );