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| author | Jens Axboe <axboe@kernel.dk> | 2020-01-23 20:15:37 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-01-23 20:15:37 -0700 |
| commit | ec0ce01687421557736b3b7a05d002ea122fc86f (patch) | |
| tree | 74e1e1821afba5862d4f180bf038f2b8338e72fd | |
| parent | 3825bdbc58f348ed09b393e3e20b7c109f3a8d95 (diff) | |
| download | liburing-ec0ce01687421557736b3b7a05d002ea122fc86f.tar.gz liburing-ec0ce01687421557736b3b7a05d002ea122fc86f.tar.bz2 | |
Add io_uring_register_probe()
Helper to return a struct of supported op codes.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | src/include/liburing.h | 2 | ||||
| -rw-r--r-- | src/liburing.map | 1 | ||||
| -rw-r--r-- | src/register.c | 7 |
3 files changed, 7 insertions, 3 deletions
diff --git a/src/include/liburing.h b/src/include/liburing.h index 70b0413..b0909b2 100644 --- a/src/include/liburing.h +++ b/src/include/liburing.h @@ -102,6 +102,8 @@ extern int io_uring_register_files_update(struct io_uring *ring, unsigned off, int *files, unsigned nr_files); extern int io_uring_register_eventfd(struct io_uring *ring, int fd); extern int io_uring_unregister_eventfd(struct io_uring *ring); +extern int io_uring_register_probe(struct io_uring *ring, + struct io_uring_probe *p, unsigned nr); /* * Helper for the peek/wait single cqe functions. Exported because of that, diff --git a/src/liburing.map b/src/liburing.map index e29db68..0c17c1f 100644 --- a/src/liburing.map +++ b/src/liburing.map @@ -69,4 +69,5 @@ LIBURING_0.3 { LIBURING_0.4 { global: io_uring_ring_dontfork; + io_uring_register_probe; } LIBURING_0.3; diff --git a/src/register.c b/src/register.c index a275b51..73daaf8 100644 --- a/src/register.c +++ b/src/register.c @@ -98,12 +98,13 @@ int io_uring_register_eventfd(struct io_uring *ring, int event_fd) return 0; } -int io_uring_unregister_eventfd(struct io_uring *ring) +int io_uring_register_probe(struct io_uring *ring, struct io_uring_probe *p, + unsigned int nr_ops) { int ret; - ret = __sys_io_uring_register(ring->ring_fd, IORING_UNREGISTER_EVENTFD, - NULL, 0); + ret = __sys_io_uring_register(ring->ring_fd, IORING_REGISTER_PROBE, + p, nr_ops); if (ret < 0) return -errno; |