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authorAdin Scannell <ascannell@google.com>2018-08-08 21:27:58 -0700
committerShentubot <shentubot@google.com>2018-08-08 21:29:19 -0700
commitdbbe9ec91541dba387f8044cbf73fd29f604f902 (patch)
tree55a2c580a849fe41d8d83bc8c0dc773f28d4cfdb /pkg/sentry/kernel/epoll/epoll.go
parent2a44362c0b99c6ab800e1b0d26e4f368a5e7f9f1 (diff)
Protect PCIDs with a mutex.
Because the Drop method may be called across vCPUs, it is necessary to protect the PCID database with a mutex to prevent concurrent modification. The PCID is assigned prior to entersyscall, so it's safe to block. PiperOrigin-RevId: 207992864 Change-Id: I8b36d55106981f51e30dcf03e12886330bb79d67
Diffstat (limited to 'pkg/sentry/kernel/epoll/epoll.go')
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