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authorDaniel Vetter <daniel.vetter@ffwll.ch>2017-02-01 09:06:26 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2017-02-01 09:06:26 +0100
commit45bf86e7731606a475b7f989486de23b0784bfe7 (patch)
treedac8a776783d6322bedf346060fb6000251c8b40 /include/uapi/linux/timerfd.h
parentDocumentation/gpu: drm-mm.rst: fix formatting for struct vm_operations_struct (diff)
parentMerge branch 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next (diff)
Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
Backmerge to resync and also so that Ville can apply a cleanup patch from Takashi. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'include/uapi/linux/timerfd.h')
-rw-r--r--include/uapi/linux/timerfd.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/uapi/linux/timerfd.h b/include/uapi/linux/timerfd.h
new file mode 100644
index 000000000000..6fcfaa8da173
--- /dev/null
+++ b/include/uapi/linux/timerfd.h
@@ -0,0 +1,36 @@
+/*
+ * include/linux/timerfd.h
+ *
+ * Copyright (C) 2007 Davide Libenzi <davidel@xmailserver.org>
+ *
+ */
+
+#ifndef _UAPI_LINUX_TIMERFD_H
+#define _UAPI_LINUX_TIMERFD_H
+
+#include <linux/types.h>
+
+/* For O_CLOEXEC and O_NONBLOCK */
+#include <linux/fcntl.h>
+
+/* For _IO helpers */
+#include <linux/ioctl.h>
+
+/*
+ * CAREFUL: Check include/asm-generic/fcntl.h when defining
+ * new flags, since they might collide with O_* ones. We want
+ * to re-use O_* flags that couldn't possibly have a meaning
+ * from eventfd, in order to leave a free define-space for
+ * shared O_* flags.
+ *
+ * Also make sure to update the masks in include/linux/timerfd.h
+ * when adding new flags.
+ */
+#define TFD_TIMER_ABSTIME (1 << 0)
+#define TFD_TIMER_CANCEL_ON_SET (1 << 1)
+#define TFD_CLOEXEC O_CLOEXEC
+#define TFD_NONBLOCK O_NONBLOCK
+
+#define TFD_IOC_SET_TICKS _IOW('T', 0, __u64)
+
+#endif /* _UAPI_LINUX_TIMERFD_H */