ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ntdll: Use the map_view() function to allocate TEBs, now that it supports an arbitrary granularity.

This commit is contained in:
Alexandre Julliard 2006-07-13 20:38:31 +02:00
parent 8f47bd0306
commit bb63a325d7
1 changed files with 3 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
dlls/ntdll/virtual.c
View File

@ -1156,11 +1156,9 @@ static inline void virtual_init(void)
*/
NTSTATUS VIRTUAL_alloc_teb( void **ret, size_t size, BOOL first )
{
void *ptr;
NTSTATUS status;
struct file_view *view;
size_t align_size;
BYTE vprot = VPROT_READ | VPROT_WRITE | VPROT_COMMITTED;
if (first) virtual_init();
@ -1169,31 +1167,15 @@ NTSTATUS VIRTUAL_alloc_teb( void **ret, size_t size, BOOL first )
align_size = page_size;
while (align_size < size) align_size *= 2;
for (;;)
{
if ((ptr = wine_anon_mmap( NULL, 2 * align_size, VIRTUAL_GetUnixProt(vprot), 0 )) == (void *)-1)
{
if (errno == ENOMEM) return STATUS_NO_MEMORY;
return STATUS_INVALID_PARAMETER;
}
if (!is_beyond_limit( ptr, 2 * align_size, user_space_limit ))
{
ptr = unmap_extra_space( ptr, 2 * align_size, align_size, align_size - 1 );
break;
}
/* if we got something beyond the user limit, unmap it and retry */
add_reserved_area( ptr, 2 * align_size );
}
if (!first) RtlEnterCriticalSection( &csVirtual );
status = create_view( &view, ptr, size, vprot );
status = map_view( &view, NULL, align_size, align_size - 1,
VPROT_READ | VPROT_WRITE | VPROT_COMMITTED );
if (status == STATUS_SUCCESS)
{
view->flags |= VFLAG_VALLOC;
*ret = ptr;
*ret = view->base;
}
else unmap_area( ptr, size );
if (!first) RtlLeaveCriticalSection( &csVirtual );