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Clarify setStackSize error message

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Show the actual attempted stack size value (capped at hard limit)
separately from the desired value, making it clearer what's happening
when the hard limit is lower than requested.
This commit is contained in:
Robert Hensing 2025-10-15 22:14:59 +02:00
parent 341c42f321
commit f6aeca0522
1 changed files with 4 additions and 2 deletions
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6
src/libutil/current-process.cc
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@ -65,13 +65,15 @@ void setStackSize(size_t stackSize)
struct rlimit limit;
if (getrlimit(RLIMIT_STACK, &limit) == 0 && static_cast<size_t>(limit.rlim_cur) < stackSize) {
savedStackSize = limit.rlim_cur;
limit.rlim_cur = std::min(static_cast<rlim_t>(stackSize), limit.rlim_max);
auto requestedSize = std::min(static_cast<rlim_t>(stackSize), limit.rlim_max);
limit.rlim_cur = requestedSize;
if (setrlimit(RLIMIT_STACK, &limit) != 0) {
logger->log(
lvlError,
HintFmt(
"Failed to increase stack size from %1% to %2% (maximum allowed stack size: %3%): %4%",
"Failed to increase stack size from %1% to %2% (desired: %3%, maximum allowed: %4%): %5%",
savedStackSize,
requestedSize,
stackSize,
limit.rlim_max,
std::strerror(errno))