diff options
| author | Jamie Liu <jamieliu@google.com> | 2021-10-28 16:52:28 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-10-28 16:55:58 -0700 |
| commit | ca55c18a31789b8f2541d5d3b90e2af012d3e6ef (patch) | |
| tree | e9feee82ceaf8ae00708bf4c9cf6826075ae226f /pkg/tcpip | |
| parent | d350c95b04d594abedaad1846f35304b55194e84 (diff) | |
Use Task blocking timer for nanosleep(2).
kernel/time.Timer allocation is expensive and not sync.Poolable (since
time.Timer only supports notification through a channel, requiring a goroutine
to receive from the channel, and sync.Pool doesn't invoke any kind of cleanup
on discarded items in the pool so it would leak timer goroutines). Using the
existing Task.blockingTimer for nanosleep(), and applicable cases in
clock_nanosleep(), at least avoids Timer allocation in common cases.
PiperOrigin-RevId: 406248394
Diffstat (limited to 'pkg/tcpip')
0 files changed, 0 insertions, 0 deletions