signal: new signal handling backend based on signalfd

Linux-specific signal handling backend based on signalfd(2)
system call, and public function event_base_get_signal_method()
to obtain an underlying kernel signal handling mechanism.

Signed-off-by: Dmitry Antipov <dantipov@cloudlinux.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/epoll.c b/epoll.c
index 9b489077..158a868d 100644
--- a/epoll.c
+++ b/epoll.c
@@ -255,7 +255,8 @@ epoll_init(struct event_base *base)
 	}
 #endif
 
-	evsig_init_(base);
+	if (sigfd_init_(base) < 0)
+		evsig_init_(base);
 
 	return (epollop);
 }