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kernel32: Use RtlCreateUserStack(). 

Planet Coaster allocates 128kB of stack (both reserve and commit) but expects
to be able to use at least one page more than that. Native Windows always
reserves at least 1MB of stack.

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2019-06-14 10:32:44 -05:00 committed by Alexandre Julliard
parent 90c3b78bec
commit 9b7e2f54b2
1 changed files with 9 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
dlls/kernel32/fiber.c
View File

@ -89,6 +89,8 @@ LPVOID WINAPI CreateFiberEx( SIZE_T stack_commit, SIZE_T stack_reserve, DWORD fl
LPFIBER_START_ROUTINE start, LPVOID param )
{
struct fiber_data *fiber;
INITIAL_TEB stack;
NTSTATUS status;
if (!(fiber = HeapAlloc( GetProcessHeap(), 0, sizeof(*fiber) )))
{
@ -96,15 +98,15 @@ LPVOID WINAPI CreateFiberEx( SIZE_T stack_commit, SIZE_T stack_reserve, DWORD fl
return NULL;
}
/* FIXME: should use the thread stack allocation routines here */
if (!stack_reserve) stack_reserve = 1024*1024;
if(!(fiber->stack_allocation = VirtualAlloc( 0, stack_reserve, MEM_COMMIT, PAGE_READWRITE )))
if ((status = RtlCreateUserStack( stack_commit, stack_reserve, 0, 1, 1, &stack )))
{
HeapFree( GetProcessHeap(), 0, fiber );
SetLastError( RtlNtStatusToDosError(status) );
return NULL;
}
fiber->stack_base = (char *)fiber->stack_allocation + stack_reserve;
fiber->stack_limit = fiber->stack_allocation;
fiber->stack_allocation = stack.DeallocationStack;
fiber->stack_base = stack.StackBase;
fiber->stack_limit = stack.StackLimit;
fiber->param = param;
fiber->except = (void *)-1;
fiber->start = start;
@ -127,7 +129,7 @@ void WINAPI DeleteFiber( LPVOID fiber_ptr )
HeapFree( GetProcessHeap(), 0, fiber );
ExitThread(1);
}
VirtualFree( fiber->stack_allocation, 0, MEM_RELEASE );
RtlFreeUserStack( fiber->stack_allocation );
HeapFree( GetProcessHeap(), 0, fiber->fls_slots );
HeapFree( GetProcessHeap(), 0, fiber );
}