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-rw-r--r--util/event_notifier-posix.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/util/event_notifier-posix.c b/util/event_notifier-posix.c
index 2e30e74bd6..c9657a61ae 100644
--- a/util/event_notifier-posix.c
+++ b/util/event_notifier-posix.c
@@ -20,11 +20,17 @@
#include <sys/eventfd.h>
#endif
+#ifdef CONFIG_EVENTFD
+/*
+ * Initialize @e with existing file descriptor @fd.
+ * @fd must be a genuine eventfd object, emulation with pipe won't do.
+ */
void event_notifier_init_fd(EventNotifier *e, int fd)
{
e->rfd = fd;
e->wfd = fd;
}
+#endif
int event_notifier_init(EventNotifier *e, int active)
{