diff options
author | Andrew Morrow <acm@mongodb.com> | 2021-09-15 15:23:42 -0400 |
---|---|---|
committer | Evergreen Agent <no-reply@evergreen.mongodb.com> | 2021-11-02 13:16:17 +0000 |
commit | 8ddc9941280e8bf4a07082e9cc6889d944de4ae9 (patch) | |
tree | 079b074f36440f0aadde2c329e9e7a35a8cdd7d7 | |
parent | 68747c621e2d432235e301d38422dd03600ceadd (diff) | |
download | mongo-8ddc9941280e8bf4a07082e9cc6889d944de4ae9.tar.gz |
SERVER-59459 With glibc-2.34, MINSIGSTKSZ is no longer a constant
(cherry picked from commit ef08d0dbc99db8c4620512e92bfb3154282eb5d3)
(cherry picked from commit 959d10ecad8f59dbbb755b2eebab2bffed6bab32)
(cherry picked from commit 167a957f8d4d71db7a3a720052ec72e5d68724f7)
(cherry picked from commit ddee85735f38dc77f233dc16840658c8764e65cb)
-rw-r--r-- | src/mongo/stdx/thread.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/mongo/stdx/thread.h b/src/mongo/stdx/thread.h index bbb5a4c244f..74d60b3009b 100644 --- a/src/mongo/stdx/thread.h +++ b/src/mongo/stdx/thread.h @@ -73,11 +73,19 @@ public: } private: + static size_t _getStackSize() { + // It would be nice for this to be a constexpr, but + // MINSIGSTKSZ became a macro that invoked `sysconf` in glibc + // 2.34. + static const std::size_t kMinSigStkSz = MINSIGSTKSZ; + return std::max(kMongoMinSignalStackSize, kMinSigStkSz); + } + void _install() const { stack_t ss; ss.ss_sp = _stackStorage.get(); ss.ss_flags = 0; - ss.ss_size = kStackSize; + ss.ss_size = _getStackSize(); if (sigaltstack(&ss, nullptr)) { abort(); } @@ -104,9 +112,7 @@ private: // ( https://jira.mongodb.org/secure/attachment/233569/233569_stacktrace-writeup.txt ) static constexpr std::size_t kMongoMinSignalStackSize = std::size_t{64} << 10; - static constexpr std::size_t kStackSize = - std::max(kMongoMinSignalStackSize, std::size_t{MINSIGSTKSZ}); - std::unique_ptr<std::byte[]> _stackStorage = std::make_unique<std::byte[]>(kStackSize); + std::unique_ptr<std::byte[]> _stackStorage = std::make_unique<std::byte[]>(_getStackSize()); #else // !MONGO_HAS_SIGALTSTACK auto makeInstallGuard() const { |