Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / signalfd.h

diff --git a/kernel/include/linux/signalfd.h b/kernel/include/linux/signalfd.h
new file mode 100644 (file)
index 0000000..eadbe22
--- /dev/null
+++ b/kernel/include/linux/signalfd.h
@@ -0,0 +1,34 @@
+/*
+ *  include/linux/signalfd.h
+ *
+ *  Copyright (C) 2007  Davide Libenzi <davidel@xmailserver.org>
+ *
+ */
+#ifndef _LINUX_SIGNALFD_H
+#define _LINUX_SIGNALFD_H
+
+#include <uapi/linux/signalfd.h>
+
+
+#ifdef CONFIG_SIGNALFD
+
+/*
+ * Deliver the signal to listening signalfd.
+ */
+static inline void signalfd_notify(struct task_struct *tsk, int sig)
+{
+       if (unlikely(waitqueue_active(&tsk->sighand->signalfd_wqh)))
+               wake_up(&tsk->sighand->signalfd_wqh);
+}
+
+extern void signalfd_cleanup(struct sighand_struct *sighand);
+
+#else /* CONFIG_SIGNALFD */
+
+static inline void signalfd_notify(struct task_struct *tsk, int sig) { }
+
+static inline void signalfd_cleanup(struct sighand_struct *sighand) { }
+
+#endif /* CONFIG_SIGNALFD */
+
+#endif /* _LINUX_SIGNALFD_H */