fix:concurrency conflicts occur when obtaining windows system time

source/os/src/osTime.c

@@ -551,6 +551,10 @@ int32_t taosClockGetTime(int clock_id, struct timespec *pTS) {
   static SYSTEMTIME    ss;
   static LARGE_INTEGER offset;
 
+  static int8_t        offsetInit = 0;
+  static volatile bool offsetInitFinished = false;
+  int8_t               old = atomic_val_compare_exchange_8(&offsetInit, 0, 1);
+  if (0 == old) {
     ss.wYear = 1970;
     ss.wMonth = 1;
     ss.wDay = 1;
@@ -562,6 +566,11 @@ int32_t taosClockGetTime(int clock_id, struct timespec *pTS) {
     offset.QuadPart = ff.dwHighDateTime;
     offset.QuadPart <<= 32;
     offset.QuadPart |= ff.dwLowDateTime;
+    offsetInitFinished = true;
+  } else {
+    while (!offsetInitFinished)
+      ; // Ensure initialization is completed.
+  }
 
   GetSystemTimeAsFileTime(&f);
   t.QuadPart = f.dwHighDateTime;