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| author | Dan Willemsen <dwillemsen@google.com> | 2019-01-11 14:27:33 -0800 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@google.com> | 2019-01-11 14:27:33 -0800 |
| commit | 59e7b3e05f1b8553f2c6e9fa329543d8b42fca8e (patch) | |
| tree | c2aeaac4f7064d6ba4dc02d4772d9a278449f10c | |
| parent | 3173dc0bcf3faee24d3e173fdf9584f03eee1971 (diff) | |
| download | kati-59e7b3e05f1b8553f2c6e9fa329543d8b42fca8e.tar.gz | |
Use std::random_device instead of initializing via getpid
getpid worked fine for this until we started trying to run Kati within a
pid namespace (via nsjail). Then it consistently got the same pid, which
resulted in multiple copies of Kati all running on the same CPU.
Change-Id: If50846f742c3898ca92e21e0d2c78ad8e34d0128
| -rw-r--r-- | affinity.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/affinity.cc b/affinity.cc index 8be3fad..92320ee 100644 --- a/affinity.cc +++ b/affinity.cc @@ -30,7 +30,7 @@ void SetAffinityForSingleThread() { cpu_set_t cs; CPU_ZERO(&cs); - std::default_random_engine generator(getpid()); + std::random_device generator; std::uniform_int_distribution<int> distribution(0, g_flags.num_cpus - 1); int cpu = distribution(generator); |