After we started to use kill() over raise() everything should work just
fine.
This reverts commit
a86f89d333d870e6714bd28c695ba1774df3d7f5.
Fixed-in:
728c5dc1 ("Use kill() over raise() for raising the signal (fixes osx 10.14 with kqueue)")
Fixes: #747
BASIC(active_by_fd, TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR),
-#if !defined(_WIN32) && !defined(__APPLE__)
+#ifndef _WIN32
LEGACY(fork, TT_ISOLATED),
#endif
#ifdef EVENT__HAVE_PTHREADS