diff options
| author |   Florin Coras <fcoras@cisco.com> | 2019-03-21 21:17:43 -0700 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2019-03-22 17:30:17 +0000 |
| commit | 881d13ede7336e5b16601033e5dd9aeb94c795e3 (patch) | |
| tree | 7450066ca6d1bbbbd4d98dff3639da1d4482e170 | |
| parent | b757d1a7f5800b303ea930c6b1ae6224f463de3a (diff) | |
svm/atomics: add clib_atomic_swap_rel_n
Change-Id: Iea2c173000570043beafef58ca923463ce76d872
Signed-off-by: Florin Coras <fcoras@cisco.com>
| -rw-r--r-- | src/svm/svm_fifo.h | 4 | ||||
| -rw-r--r-- | src/vppinfra/atomics.h | 1 |
2 files changed, 3 insertions, 2 deletions
diff --git a/src/svm/svm_fifo.h b/src/svm/svm_fifo.h index 6c3940dfad5..59d7ee01c8e 100644 --- a/src/svm/svm_fifo.h +++ b/src/svm/svm_fifo.h @@ -173,7 +173,7 @@ svm_fifo_set_event (svm_fifo_t * f) { /* return __sync_lock_test_and_set (&f->has_event, 1) == 0; return __sync_bool_compare_and_swap (&f->has_event, 0, 1); */ - return !__atomic_exchange_n (&f->has_event, 1, __ATOMIC_RELEASE); + return !clib_atomic_swap_rel_n (&f->has_event, 1); } /** @@ -184,7 +184,7 @@ svm_fifo_set_event (svm_fifo_t * f) always_inline void svm_fifo_unset_event (svm_fifo_t * f) { - __atomic_exchange_n (&f->has_event, 0, __ATOMIC_ACQUIRE); + clib_atomic_swap_acq_n (&f->has_event, 0); } svm_fifo_t *svm_fifo_create (u32 data_size_in_bytes); diff --git a/src/vppinfra/atomics.h b/src/vppinfra/atomics.h index 8084bdc77d4..6fe3af27d97 100644 --- a/src/vppinfra/atomics.h +++ b/src/vppinfra/atomics.h @@ -43,6 +43,7 @@ #define clib_atomic_load_acq_n(a) __atomic_load_n((a), __ATOMIC_ACQUIRE) #define clib_atomic_store_rel_n(a, b) __atomic_store_n ((a), (b), __ATOMIC_RELEASE) #define clib_atomic_swap_acq_n(a, b) __atomic_exchange_n ((a), (b), __ATOMIC_ACQUIRE) +#define clib_atomic_swap_rel_n(a, b) __atomic_exchange_n ((a), (b), __ATOMIC_RELEASE) #define clib_atomic_fetch_add_rel(a, b) __atomic_fetch_add((a), (b), __ATOMIC_RELEASE) #define clib_atomic_fetch_sub_rel(a, b) __atomic_fetch_sub((a), (b), __ATOMIC_RELEASE) |