This avoid overhead of atexit call which requires dynamic allocation and
for DLL builds also larger code which is statically linked into every DLL.
---
mingw-w64-crt/gdtoa/misc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/mingw-w64-crt/gdtoa/misc.c b/mingw-w64-crt/gdtoa/misc.c
index 6716392d33fe..322b56c68071 100644
--- a/mingw-w64-crt/gdtoa/misc.c
+++ b/mingw-w64-crt/gdtoa/misc.c
@@ -59,6 +59,8 @@ static long dtoa_CS_init = 0;
2 = initialized
3 = deleted
*/
+
+__attribute__((destructor))
static void dtoa_lock_cleanup (void)
{
long last_CS_init = InterlockedExchange (&dtoa_CS_init,3);
@@ -81,7 +83,6 @@ static void dtoa_lock (unsigned int n)
int i;
for (i = 0; i < NLOCKS; i++)
InitializeCriticalSection (&dtoa_CritSec[i]);
- atexit (dtoa_lock_cleanup);
(void)InterlockedExchange (&dtoa_CS_init, 2);
}
else if (2 == last_CS_init)
--
2.20.1
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