Seastar
High performance C++ framework for concurrent servers
shard_id.hh
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18/*
19 * Copyright 2023-present ScyllaDB
20 */
21
22#pragma once
23
24#include <seastar/util/modules.hh>
25
27
28namespace seastar {
29
30SEASTAR_MODULE_EXPORT_BEGIN
31
32using shard_id = unsigned;
33
34SEASTAR_MODULE_EXPORT_END
35
36namespace internal {
37
38#ifdef SEASTAR_BUILD_SHARED_LIBS
39shard_id* this_shard_id_ptr() noexcept;
40#else
41inline shard_id* this_shard_id_ptr() noexcept {
42 static thread_local shard_id g_this_shard_id;
43 return &g_this_shard_id;
44}
45#endif
46
47} // namespace internal
48
49SEASTAR_MODULE_EXPORT_BEGIN
50
52inline shard_id this_shard_id() noexcept {
53 return *internal::this_shard_id_ptr();
54}
55
56SEASTAR_MODULE_EXPORT_END
57
58
59} // namespace seastar
Seastar API namespace.
Definition: abort_on_ebadf.hh:26
shard_id this_shard_id() noexcept
Returns shard_id of the of the current shard.
Definition: shard_id.hh:52