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msvcrt: Don't lock the heap in operator_new. 

The native msvcrt/msvcp allow two threads to be calling
the new handler simultaneously.

Signed-off-by: Martin Storsjo <martin@martin.st>
Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Martin Storsjo 2015-11-06 14:51:56 +02:00 committed by Alexandre Julliard
parent e66758dd53
commit 91ed0d7963
1 changed files with 4 additions and 4 deletions
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8
dlls/msvcrt/heap.c
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@ -131,6 +131,7 @@ void* CDECL MSVCRT_operator_new(MSVCRT_size_t size)
{
void *retval;
int freed;
MSVCRT_new_handler_func handler;
do
{
@ -141,12 +142,11 @@ void* CDECL MSVCRT_operator_new(MSVCRT_size_t size)
return retval;
}
LOCK_HEAP;
if(MSVCRT_new_handler)
freed = (*MSVCRT_new_handler)(size);
handler = MSVCRT_new_handler;
if(handler)
freed = (*handler)(size);
else
freed = 0;
UNLOCK_HEAP;
} while(freed);
TRACE("(%ld) out of memory\n", size);