mirrors/yuzu
2
1
Fork 0
mirror of https://github.com/yuzu-emu/yuzu.git synced 2024-07-04 23:31:19 +01:00
Code Issues Releases Activity

k_system_control: Fix data race

Browse source 
`return distribution(gen)` is a data race between a read and a write in
two threads, reported by TSan. Remove static random number generators so
they aren't using the same generator.
This commit is contained in:
lat9nq 2022-04-05 00:37:46 -04:00
parent 983916e919
commit b976cac49d
1 changed files with 3 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
src/core/hle/kernel/board/nintendo/nx/k_system_control.cpp
View file

@ -148,9 +148,9 @@ u64 GenerateUniformRange(u64 min, u64 max, F f) {
} // Anonymous namespace } // Anonymous namespace
u64 KSystemControl::GenerateRandomU64() { u64 KSystemControl::GenerateRandomU64() {
static std::random_device device; std::random_device device;
static std::mt19937 gen(device()); std::mt19937 gen(device());
static std::uniform_int_distribution<u64> distribution(1, std::numeric_limits<u64>::max()); std::uniform_int_distribution<u64> distribution(1, std::numeric_limits<u64>::max());
return distribution(gen); return distribution(gen);
} }