max/nix-super
1
0
Fork 0
mirror of https://github.com/privatevoid-net/nix-super.git synced 2025-02-16 23:27:17 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Get max stack size in setStackSize to match Linux

Browse source
This commit is contained in:
PoweredByPie 2024-05-23 03:54:35 -07:00
parent a41f4223de
commit 5f68e6d69f
1 changed files with 6 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/libutil/current-process.cc
View file

@ -82,19 +82,23 @@ void setStackSize(size_t stackSize)
} }
} }
#else #else
ULONG_PTR stackLow, stackHigh;
GetCurrentThreadStackLimits(&stackLow, &stackHigh);
ULONG maxStackSize = stackHigh - stackLow;
ULONG currStackSize = 0; ULONG currStackSize = 0;
// This retrieves the current promised stack size // This retrieves the current promised stack size
SetThreadStackGuarantee(&currStackSize); SetThreadStackGuarantee(&currStackSize);
if (currStackSize < stackSize) { if (currStackSize < stackSize) {
savedStackSize = currStackSize; savedStackSize = currStackSize;
ULONG newStackSize = stackSize; ULONG newStackSize = std::min(static_cast<ULONG>(stackSize), maxStackSize);
if (SetThreadStackGuarantee(&newStackSize) == 0) { if (SetThreadStackGuarantee(&newStackSize) == 0) {
logger->log( logger->log(
lvlError, lvlError,
HintFmt( HintFmt(
"Failed to increase stack size from %1% to %2%: %3%", "Failed to increase stack size from %1% to %2% (maximum allowed stack size: %3%): %4%",
savedStackSize, savedStackSize,
stackSize, stackSize,
maxStackSize,
std::to_string(GetLastError()) std::to_string(GetLastError())
).str() ).str()
); );