diff options
| author |   Mike Frysinger <vapier@gentoo.org> | 2017-01-10 16:58:30 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2017-01-10 18:31:55 -0800 |
| commit | 575b1967e10a1f3038266244d2c7a3ca6b99fed8 (patch) | |
| tree | afc6b9ae578378b122cfdbd910bd09aef81f2f82 /include/linux/timerfd.h | |
| parent | mm/hugetlb.c: fix reservation race when freeing surplus pages (diff) | |
| download | linux-dev-575b1967e10a1f3038266244d2c7a3ca6b99fed8.tar.xz linux-dev-575b1967e10a1f3038266244d2c7a3ca6b99fed8.zip | |
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.h | 20 |
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 */ |