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authorMike Frysinger <vapier@gentoo.org>2017-01-11 03:58:30 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-11 05:31:55 +0300
commit575b1967e10a1f3038266244d2c7a3ca6b99fed8 (patch)
treeafc6b9ae578378b122cfdbd910bd09aef81f2f82 /include/linux/timerfd.h
parente5bbc8a6c992901058bc09e2ce01d16c111ff047 (diff)
downloadlinux-575b1967e10a1f3038266244d2c7a3ca6b99fed8.tar.xz
timerfd: export defines to userspace
Since userspace is expected to call timerfd syscalls directly with these flags/ioctls, make sure we export them so they don't have to duplicate the values themselves. Link: http://lkml.kernel.org/r/20161219064052.7196-1-vapier@gentoo.org Signed-off-by: Mike Frysinger <vapier@gentoo.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/timerfd.h')
-rw-r--r--include/linux/timerfd.h20
1 files changed, 1 insertions, 19 deletions
diff --git a/include/linux/timerfd.h b/include/linux/timerfd.h
index bd36ce431e32..bab0b1ad0613 100644
--- a/include/linux/timerfd.h
+++ b/include/linux/timerfd.h
@@ -8,23 +8,7 @@
#ifndef _LINUX_TIMERFD_H
#define _LINUX_TIMERFD_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.
- */
-#define TFD_TIMER_ABSTIME (1 << 0)
-#define TFD_TIMER_CANCEL_ON_SET (1 << 1)
-#define TFD_CLOEXEC O_CLOEXEC
-#define TFD_NONBLOCK O_NONBLOCK
+#include <uapi/linux/timerfd.h>
#define TFD_SHARED_FCNTL_FLAGS (TFD_CLOEXEC | TFD_NONBLOCK)
/* Flags for timerfd_create. */
@@ -32,6 +16,4 @@
/* Flags for timerfd_settime. */
#define TFD_SETTIME_FLAGS (TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET)
-#define TFD_IOC_SET_TICKS _IOW('T', 0, u64)
-
#endif /* _LINUX_TIMERFD_H */