GetCurrentProcess only once

Author: workingjubilee

src/backtrace/win32.rs

@@ -112,8 +112,6 @@ pub unsafe fn trace(cb: &mut dyn FnMut(&super::Frame) -> bool) {
     let function_table_access = dbghelp.SymFunctionTableAccess64();
     let get_module_base = dbghelp.SymGetModuleBase64();
 
-    let process_handle = GetCurrentProcess();
-
     // Attempt to use `StackWalkEx` if we can, but fall back to `StackWalk64`
     // since it's in theory supported on more systems.
     match (*dbghelp.dbghelp()).StackWalkEx() {
@@ -146,7 +144,8 @@ pub unsafe fn trace(cb: &mut dyn FnMut(&super::Frame) -> bool) {
                 0,
             ) == TRUE
             {
-                frame.inner.base_address = get_module_base(process_handle, frame.ip() as _) as _;
+                frame.inner.base_address =
+                    unsafe { get_module_base(process, frame.ip() as _) as _ };
 
                 if !cb(&frame) {
                     break;
@@ -178,7 +177,8 @@ pub unsafe fn trace(cb: &mut dyn FnMut(&super::Frame) -> bool) {
                 None,
             ) == TRUE
             {
-                frame.inner.base_address = get_module_base(process_handle, frame.ip() as _) as _;
+                frame.inner.base_address =
+                    unsafe { get_module_base(process, frame.ip() as _) as _ };
 
                 if !cb(&frame) {
                     break;