From b644e5750e9a590e7ea64cc0c4dbda9afaf5643f Mon Sep 17 00:00:00 2001
From: Brian McKenna <brian@brianmckenna.org>
Date: Fri, 15 Nov 2024 10:45:29 +1100
Subject: [PATCH] Remove broken stack size logic from Windows

The API only changes the stack size once there's already a stack
overflow exception. Pretty useless.
---
 src/libutil/current-process.cc | 27 ---------------------------
 1 file changed, 27 deletions(-)

diff --git a/src/libutil/current-process.cc b/src/libutil/current-process.cc
index ac01f441e..46e72b63a 100644
--- a/src/libutil/current-process.cc
+++ b/src/libutil/current-process.cc
@@ -19,10 +19,6 @@
 # include "namespaces.hh"
 #endif
 
-#ifndef _WIN32
-# include <sys/resource.h>
-#endif
-
 namespace nix {
 
 unsigned int getMaxCPU()
@@ -77,29 +73,6 @@ void setStackSize(size_t stackSize)
             );
         }
     }
-    #else
-    ULONG_PTR stackLow, stackHigh;
-    GetCurrentThreadStackLimits(&stackLow, &stackHigh);
-    ULONG maxStackSize = stackHigh - stackLow;
-    ULONG currStackSize = 0;
-    // This retrieves the current promised stack size
-    SetThreadStackGuarantee(&currStackSize);
-    if (currStackSize < stackSize) {
-        savedStackSize = currStackSize;
-        ULONG newStackSize = std::min(static_cast<ULONG>(stackSize), maxStackSize);
-        if (SetThreadStackGuarantee(&newStackSize) == 0) {
-            logger->log(
-                lvlError,
-                HintFmt(
-                    "Failed to increase stack size from %1% to %2% (maximum allowed stack size: %3%): %4%",
-                    savedStackSize,
-                    stackSize,
-                    maxStackSize,
-                    std::to_string(GetLastError())
-                ).str()
-            );
-        }
-    }
     #endif
 }