diff --git a/base/base/CMakeLists.txt b/base/base/CMakeLists.txt
index 3e6f174c6dc..8a1ca6064cb 100644
--- a/base/base/CMakeLists.txt
+++ b/base/base/CMakeLists.txt
@@ -17,6 +17,7 @@ set (SRCS
     terminalColors.cpp
     errnoToString.cpp
     StringRef.cpp
+    safeExit.cpp
 )
 
 if (ENABLE_REPLXX)
diff --git a/base/base/safeExit.cpp b/base/base/safeExit.cpp
new file mode 100644
index 00000000000..4ccfee80643
--- /dev/null
+++ b/base/base/safeExit.cpp
@@ -0,0 +1,18 @@
+#if defined(OS_LINUX)
+#    include <sys/syscall.h>
+#endif
+#include <unistd.h>
+#include <base/safeExit.h>
+#include <base/defines.h>
+
+[[noreturn]] void safeExit(int code)
+{
+#if defined(THREAD_SANITIZER) && defined(OS_LINUX)
+    /// Thread sanitizer tries to do something on exit that we don't need if we want to exit immediately,
+    /// while connection handling threads are still run.
+    (void)syscall(SYS_exit_group, code);
+    __builtin_unreachable();
+#else
+    _exit(code);
+#endif
+}
diff --git a/base/base/safeExit.h b/base/base/safeExit.h
new file mode 100644
index 00000000000..f999ccfac18
--- /dev/null
+++ b/base/base/safeExit.h
@@ -0,0 +1,4 @@
+#pragma once
+
+/// _exit() with a workaround for TSan.
+[[noreturn]] void safeExit(int code);
diff --git a/programs/keeper/Keeper.cpp b/programs/keeper/Keeper.cpp
index 88df4d5b3e7..fd317f88912 100644
--- a/programs/keeper/Keeper.cpp
+++ b/programs/keeper/Keeper.cpp
@@ -13,6 +13,7 @@
 #include <base/logger_useful.h>
 #include <base/ErrorHandlers.h>
 #include <base/scope_guard.h>
+#include <base/safeExit.h>
 #include <Poco/Net/NetException.h>
 #include <Poco/Net/TCPServerParams.h>
 #include <Poco/Net/TCPServer.h>
@@ -34,11 +35,6 @@
 #include <Server/ProtocolServerAdapter.h>
 #include <Server/KeeperTCPHandlerFactory.h>
 
-#if defined(OS_LINUX)
-#    include <unistd.h>
-#    include <sys/syscall.h>
-#endif
-
 
 int mainEntryClickHouseKeeper(int argc, char ** argv)
 {
@@ -127,18 +123,6 @@ Poco::Net::SocketAddress makeSocketAddress(const std::string & host, UInt16 port
     return socket_address;
 }
 
-[[noreturn]] void forceShutdown()
-{
-#if defined(THREAD_SANITIZER) && defined(OS_LINUX)
-    /// Thread sanitizer tries to do something on exit that we don't need if we want to exit immediately,
-    /// while connection handling threads are still run.
-    (void)syscall(SYS_exit_group, 0);
-    __builtin_unreachable();
-#else
-    _exit(0);
-#endif
-}
-
 std::string getUserName(uid_t user_id)
 {
     /// Try to convert user id into user name.
@@ -474,7 +458,7 @@ int Keeper::main(const std::vector<std::string> & /*args*/)
         if (current_connections)
         {
             LOG_INFO(log, "Will shutdown forcefully.");
-            forceShutdown();
+            safeExit(0);
         }
     });
 
diff --git a/programs/server/Server.cpp b/programs/server/Server.cpp
index 79837310ec4..50c53488187 100644
--- a/programs/server/Server.cpp
+++ b/programs/server/Server.cpp
@@ -22,6 +22,8 @@
 #include <base/getMemoryAmount.h>
 #include <base/errnoToString.h>
 #include <base/coverage.h>
+#include <base/getFQDNOrHostName.h>
+#include <base/safeExit.h>
 #include <Common/MemoryTracker.h>
 #include <Common/ClickHouseRevision.h>
 #include <Common/DNSResolver.h>
@@ -31,7 +33,6 @@
 #include <Common/StringUtils/StringUtils.h>
 #include <Common/ZooKeeper/ZooKeeper.h>
 #include <Common/ZooKeeper/ZooKeeperNodeCache.h>
-#include <base/getFQDNOrHostName.h>
 #include <Common/getMultipleKeysFromConfig.h>
 #include <Common/getNumberOfPhysicalCPUCores.h>
 #include <Common/getExecutablePath.h>
@@ -95,8 +96,6 @@
 #    include <sys/mman.h>
 #    include <sys/ptrace.h>
 #    include <Common/hasLinuxCapability.h>
-#    include <unistd.h>
-#    include <sys/syscall.h>
 #endif
 
 #if USE_SSL
@@ -505,19 +504,6 @@ void checkForUsersNotInMainConfig(
     }
 }
 
-[[noreturn]] void forceShutdown()
-{
-#if defined(THREAD_SANITIZER) && defined(OS_LINUX)
-    /// Thread sanitizer tries to do something on exit that we don't need if we want to exit immediately,
-    /// while connection handling threads are still run.
-    (void)syscall(SYS_exit_group, 0);
-    __builtin_unreachable();
-#else
-    _exit(0);
-#endif
-}
-
-
 int Server::main(const std::vector<std::string> & /*args*/)
 {
     Poco::Logger * log = &logger();
@@ -1527,7 +1513,7 @@ if (ThreadFuzzer::instance().isEffective())
                 /// Dump coverage here, because std::atexit callback would not be called.
                 dumpCoverageReportIfPossible();
                 LOG_INFO(log, "Will shutdown forcefully.");
-                forceShutdown();
+                safeExit(0);
             }
         });