diff options
| author | Matias Elo <matias.elo@nokia.com> | 2020-09-02 14:28:37 +0300 |
|---|---|---|
| committer | Matias Elo <matias.elo@nokia.com> | 2020-09-03 12:33:19 +0300 |
| commit | 2cf7bd0f03d13f94fa99d428b96aea3f7570b659 (patch) | |
| tree | 27d3fd9cec0ccb4b8ce8c845ff6704ab46de5b79 /platform/linux-generic/include/odp_ring_mpmc_internal.h | |
| parent | 7363834810919fe56d4b762ba5109863e106a279 (diff) | |
linux-gen: ring: add functions for reading current ring lengths
Add functions for reading the current count of elements in each ring type.
Signed-off-by: Matias Elo <matias.elo@nokia.com>
Reviewed-by: Petri Savolainen <petri.savolainen@nokia.com>
Diffstat (limited to 'platform/linux-generic/include/odp_ring_mpmc_internal.h')
| -rw-r--r-- | platform/linux-generic/include/odp_ring_mpmc_internal.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/platform/linux-generic/include/odp_ring_mpmc_internal.h b/platform/linux-generic/include/odp_ring_mpmc_internal.h index 74bbb8fc7..0a659249a 100644 --- a/platform/linux-generic/include/odp_ring_mpmc_internal.h +++ b/platform/linux-generic/include/odp_ring_mpmc_internal.h @@ -162,6 +162,15 @@ static inline int ring_mpmc_is_empty(ring_mpmc_t *ring) return head == tail; } +/* Return current ring length */ +static inline uint32_t ring_mpmc_length(ring_mpmc_t *ring) +{ + uint32_t head = odp_atomic_load_u32(&ring->r_head); + uint32_t tail = odp_atomic_load_u32(&ring->w_tail); + + return tail - head; +} + #ifdef __cplusplus } #endif |