mq_notify: block all (application) signals in the worker thread

[musl] / src / math / copysignl.c

diff --git a/src/math/copysignl.c b/src/math/copysignl.c
index 72a2148..9dd933c 100644 (file)
--- a/src/math/copysignl.c
+++ b/src/math/copysignl.c
@@ -9,8 +9,8 @@ long double copysignl(long double x, long double y)
 long double copysignl(long double x, long double y)
 {
        union ldshape ux = {x}, uy = {y};
-
-       ux.bits.sign = uy.bits.sign;
-       return ux.value;
+       ux.i.se &= 0x7fff;
+       ux.i.se |= uy.i.se & 0x8000;
+       return ux.f;
 }
 #endif