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Merge branch 'sigaltstack' of github.com:yandex/ClickHouse into sigaltstack

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This commit is contained in:
Alexey Milovidov 2020-10-26 22:51:55 +03:00
commit aa3a43c964
1 changed files with 3 additions and 2 deletions
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5
src/Common/ThreadStatus.cpp
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@ -25,7 +25,7 @@ namespace ErrorCodes
thread_local ThreadStatus * current_thread = nullptr;
thread_local ThreadStatus * main_thread = nullptr;
#if !defined(SANITIZER)
#if !defined(SANITIZER) && !defined(ARCADIA_BUILD)
alignas(4096) static thread_local char alt_stack[4096];
static thread_local bool has_alt_stack = false;
#endif
@ -46,7 +46,8 @@ ThreadStatus::ThreadStatus()
/// Will set alternative signal stack to provide diagnostics for stack overflow errors.
/// If not already installed for current thread.
#if !defined(SANITIZER) && !defined(ARCADIA_BUILD) /// Sanitizer makes larger stack usage and/or confused by alternative stack.
/// Sanitizer makes larger stack usage and also it's incompatible with alternative stack by default (it sets up and relies on its own).
#if !defined(SANITIZER) && !defined(ARCADIA_BUILD)
if (!has_alt_stack)
{
/// Don't repeat tries even if not installed successfully.