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| author | alvin1221 <68314044+alvin1221@users.noreply.github.com> | 2022-05-30 11:00:57 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-05-29 20:00:57 -0700 |
| commit | c6d2d1f474a83fcf3312a17b041db344236fa0fe (patch) | |
| tree | 6addf0a59988bfeef47c66c8e485aef412dfb2ea /src/platform/posix | |
| parent | 722bf4621703ef238fa81018f8c3e68bcef91354 (diff) | |
| download | nng-c6d2d1f474a83fcf3312a17b041db344236fa0fe.tar.gz nng-c6d2d1f474a83fcf3312a17b041db344236fa0fe.tar.bz2 nng-c6d2d1f474a83fcf3312a17b041db344236fa0fe.zip | |
fixes #1586 Undefined reference to nni_atomic_swap & nni_atomic_cas(Built by gcc 4.8.5 ). (#1587)
Diffstat (limited to 'src/platform/posix')
| -rw-r--r-- | src/platform/posix/posix_atomic.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/platform/posix/posix_atomic.c b/src/platform/posix/posix_atomic.c index 0f904ae1..60875845 100644 --- a/src/platform/posix/posix_atomic.c +++ b/src/platform/posix/posix_atomic.c @@ -284,6 +284,12 @@ nni_atomic_cas64(nni_atomic_u64 *v, uint64_t comp, uint64_t new) &v->v, &comp, new, false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)); } +int +nni_atomic_swap(nni_atomic_int *v, int u) +{ + return (__atomic_exchange_n(&v->v, u, __ATOMIC_SEQ_CST)); +} + void nni_atomic_init(nni_atomic_int *v) { @@ -331,6 +337,13 @@ nni_atomic_dec_nv(nni_atomic_int *v) return (__atomic_sub_fetch(&v->v, 1, __ATOMIC_SEQ_CST)); } +bool +nni_atomic_cas(nni_atomic_int *v, int comp, int new) +{ + return (__atomic_compare_exchange_n( + &v->v, &comp, new, false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)); +} + void * nni_atomic_get_ptr(nni_atomic_ptr *v) { |