diff options
| -rw-r--r-- | man/io_uring_register_ring_fd.3 | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/man/io_uring_register_ring_fd.3 b/man/io_uring_register_ring_fd.3 index 0e872bd..144262f 100644 --- a/man/io_uring_register_ring_fd.3 +++ b/man/io_uring_register_ring_fd.3 @@ -35,9 +35,10 @@ for restrictions when a ring is shared. .SH NOTES When the ring descriptor is registered, it is stored internally in the .I struct io_uring -structure. If an application shares this structure between threads, then this -optimization cannot be used as the threads may get different values for the -registered descriptor. +structure. For applications that share a ring between threads, for example +having one thread do submits and another reap events, then this optimization +cannot be used as each thread may have a different index for the registered +ring fd. .SH RETURN VALUE Returns 1 on success, indicating that one file descriptor was registered, or |