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| author | Garrett D'Amore <garrett@damore.org> | 2024-12-22 17:17:38 -0800 |
|---|---|---|
| committer | Garrett D'Amore <garrett@damore.org> | 2024-12-22 17:17:38 -0800 |
| commit | 4104962dfc897f51f0b6e7bfabd2e9766085400e (patch) | |
| tree | 3d404f920f0d29dbbc66e5b38a36eece66f6d38c /src/core/platform.h | |
| parent | 6055f936411ca832abbfcbddba23e1e638f77e26 (diff) | |
| download | nng-4104962dfc897f51f0b6e7bfabd2e9766085400e.tar.gz nng-4104962dfc897f51f0b6e7bfabd2e9766085400e.tar.bz2 nng-4104962dfc897f51f0b6e7bfabd2e9766085400e.zip | |
pollers: use atomic bit masking operations to eliminate lockss
This is done for kqueue and poll. Others coming soon.
Diffstat (limited to 'src/core/platform.h')
| -rw-r--r-- | src/core/platform.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/core/platform.h b/src/core/platform.h index 2f5b5c17..8b7aabbc 100644 --- a/src/core/platform.h +++ b/src/core/platform.h @@ -217,6 +217,11 @@ extern int nni_atomic_get(nni_atomic_int *); extern void nni_atomic_set(nni_atomic_int *, int); extern int nni_atomic_swap(nni_atomic_int *, int); +// These are used with acquire release semantics. +// Used for pollers in the POSIX code. They return the previous value. +extern int nni_atomic_or(nni_atomic_int *, int); +extern int nni_atomic_and(nni_atomic_int *, int); + // These versions are tuned for use as reference // counters. Relaxed order when possible to increase // reference count, acquire-release order for dropping |