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author | nga <nga@yandex-team.ru> | 2022-02-10 16:48:09 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:48:09 +0300 |
commit | c2a1af049e9deca890e9923abe64fe6c59060348 (patch) | |
tree | b222e5ac2e2e98872661c51ccceee5da0d291e13 /library/cpp/messagebus/actor/tasks.h | |
parent | 1f553f46fb4f3c5eec631352cdd900a0709016af (diff) | |
download | ydb-c2a1af049e9deca890e9923abe64fe6c59060348.tar.gz |
Restoring authorship annotation for <nga@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'library/cpp/messagebus/actor/tasks.h')
-rw-r--r-- | library/cpp/messagebus/actor/tasks.h | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/library/cpp/messagebus/actor/tasks.h b/library/cpp/messagebus/actor/tasks.h index 3eab200b38..31d35931d2 100644 --- a/library/cpp/messagebus/actor/tasks.h +++ b/library/cpp/messagebus/actor/tasks.h @@ -1,9 +1,9 @@ -#pragma once - +#pragma once + #include <util/system/atomic.h> -#include <util/system/yassert.h> - -namespace NActor { +#include <util/system/yassert.h> + +namespace NActor { class TTasks { enum { // order of values is important @@ -11,27 +11,27 @@ namespace NActor { E_RUNNING_NO_TASKS, E_RUNNING_GOT_TASKS, }; - + private: TAtomic State; - + public: TTasks() : State(E_WAITING) { - } - + } + // @return true iff caller have to either schedule task or execute it bool AddTask() { // High contention case optimization: AtomicGet is cheaper than AtomicSwap. if (E_RUNNING_GOT_TASKS == AtomicGet(State)) { return false; } - + TAtomicBase oldState = AtomicSwap(&State, E_RUNNING_GOT_TASKS); return oldState == E_WAITING; - } - + } + // called by executor // @return true iff we have to recheck queues bool FetchTask() { @@ -44,5 +44,5 @@ namespace NActor { Y_FAIL("unknown"); } }; - + } |