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| author | Garrett D'Amore <garrett@damore.org> | 2018-07-02 22:36:08 -0700 |
|---|---|---|
| committer | Garrett D'Amore <garrett@damore.org> | 2018-07-03 19:00:19 -0700 |
| commit | d1a9c84a6b375cb25a8b7475957130e364b41753 (patch) | |
| tree | 5444721d96a84d92e3ed258b4d51f80adf6b200c /src/core/platform.h | |
| parent | a772bcc6ebe198f939889abbda18eded2a326941 (diff) | |
| download | nng-d1a9c84a6b375cb25a8b7475957130e364b41753.tar.gz nng-d1a9c84a6b375cb25a8b7475957130e364b41753.tar.bz2 nng-d1a9c84a6b375cb25a8b7475957130e364b41753.zip | |
fixes #572 Several locking errors found
fixes #573 atomic flags could help
This introduces a new atomic flag, and reduces some of the global
locking. The lock refactoring work is not yet complete, but this is
a positive step forward, and should help with certain things.
While here we also fixed a compile warning due to incorrect types.
Diffstat (limited to 'src/core/platform.h')
| -rw-r--r-- | src/core/platform.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/core/platform.h b/src/core/platform.h index b709e3ba..607c3827 100644 --- a/src/core/platform.h +++ b/src/core/platform.h @@ -147,6 +147,18 @@ extern void nni_plat_thr_fini(nni_plat_thr *); extern bool nni_plat_thr_is_self(nni_plat_thr *); // +// Atomics support. This will evolve over time. +// + +// nni_atomic_flag supports only test-and-set and reset operations. +// This can be implemented without locks on any reasonable system, and +// it corresponds to C11 atomic flag. +typedef struct nni_atomic_flag nni_atomic_flag; + +extern bool nni_atomic_flag_test_and_set(nni_atomic_flag *); +extern void nni_atomic_flag_reset(nni_atomic_flag *); + +// // Clock Support // |