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2018-12-28Implement SO_REUSEPORT for TCP and UDP socketsAndrei Vagin
This option allows multiple sockets to be bound to the same port. Incoming packets are distributed to sockets using a hash based on source and destination addresses. This means that all packets from one sender will be received by the same server socket. PiperOrigin-RevId: 227153413 Change-Id: I59b6edda9c2209d5b8968671e9129adb675920cf
2018-12-27Fix deadlock between epoll_wait and getdentsFabricio Voznika
epoll_wait acquires EventPoll.listsMu (in EventPoll.ReadEvents) and then calls Inotify.Readiness which tries to acquire Inotify.evMu. getdents acquires Inotify.evMu (in Inotify.queueEvent) and then calls readyCallback.Callback which tries to acquire EventPoll.listsMu. The fix is to release Inotify.evMu before calling Queue.Notify. Queue is thread-safe and doesn't require Inotify.evMu to be held. Closes #121 PiperOrigin-RevId: 227066695 Change-Id: Id29364bb940d1727f33a5dff9a3c52f390c15761
2018-12-26Plumb IP_MULTICAST_TTL to netstack.Ian Gudger
PiperOrigin-RevId: 226993086 Change-Id: I71757f231436538081d494da32ca69f709bc71c7
2018-12-21Stub out SO_OOBINLINE.Ian Gudger
We don't explicitly support out-of-band data and treat it like normal in-band data. This is equilivent to SO_OOBINLINE being enabled, so always report that it is enabled. PiperOrigin-RevId: 226572742 Change-Id: I4c30ccb83265e76c30dea631cbf86822e6ee1c1b
2018-12-21Kokoro: Build all packages as part of presubmit.Nicolas Lacasse
We now build all packages (including //test/...) with RBE as part of the Kokoro presubmit. The tests do not yet use RBE, because there are some failures. The Golang unit, integration, and image tests still run locally. The syscall test suite needs even more work to make it pass on RBE. Those will be enabled in follow-up CLs. They currently are not enabled at all on Kokoro. PiperOrigin-RevId: 226562208 Change-Id: Idd2b81b3e8f07bf300c77e68990493ba97d16e23
2018-12-21Remove gunit_no_heapcheck from depsAndrei Vagin
heapcheck works fine now. PiperOrigin-RevId: 226552252 Change-Id: Ifcf17a377b3d6512a576f54462dd81c1d4c7b17c
2018-12-21Implement SO_KEEPALIVE, TCP_KEEPIDLE, and TCP_KEEPINTVL.Ian Gudger
Within gVisor, plumb new socket options to netstack. Within netstack, fix GetSockOpt and SetSockOpt return value logic. PiperOrigin-RevId: 226532229 Change-Id: If40734e119eed633335f40b4c26facbebc791c74
2018-12-21inotify notifies watchers when control events bit are setFabricio Voznika
The code that matches the event being published with events watchers was wronly matching all watchers in case any of the control event bits were set. Issue #121 PiperOrigin-RevId: 226521230 Change-Id: Ie2c42bc4366faaf59fbf80a74e9297499bd93f9e
2018-12-21Automated rollback of changelist 226224230Jamie Liu
PiperOrigin-RevId: 226493053 Change-Id: Ia98d1cb6dd0682049e4d907ef69619831de5c34a
2018-12-20Make read and write respect SO_RCVTIMEO and SO_SNDTIMEOIan Gudger
PiperOrigin-RevId: 226387521 Change-Id: I0579ab262320fde6c72d2994dd38437f01a99ea5
2018-12-20test: deflake socket_inet_loopback.Zhaozhong Ni
PiperOrigin-RevId: 226350590 Change-Id: Idff080705f644f8f78ce92b53c77eecc37e002e7
2018-12-19Automated rollback of changelist 225861605Googler
PiperOrigin-RevId: 226224230 Change-Id: Id24c7d3733722fd41d5fe74ef64e0ce8c68f0b12
2018-12-19Implement pwritev2.Zach Koopmans
Implement pwritev2 and associated unit tests. Clean up preadv2 unit tests. Tag RWF_ flags in both preadv2 and pwritev2 with associated bug tickets. PiperOrigin-RevId: 226222119 Change-Id: Ieb22672418812894ba114bbc88e67f1dd50de620
2018-12-18Deflake socket testsGoogler
PiperOrigin-RevId: 226029237 Change-Id: I6fcdb241d635468beb6d6c173f2e7f96d715bf26
2018-12-18Add BPFAction type with StringerFabricio Voznika
PiperOrigin-RevId: 226018694 Change-Id: I98965e26fe565f37e98e5df5f997363ab273c91b
2018-12-17Fix recv blocking for connectionless Unix sockets.Ian Gudger
Connectionless Unix sockets (DGRAM Unix sockets created with the socket system call) inherently only have a read queue. They do not establish bidirectional connections, instead, the connect system call only sets a default send location. Writes give the data to the other endpoint which has its own read queue. To simplify the code, connectionless Unix sockets still get read and write queues, but the write queue is a dummy and never waited on. The read queue is the connectionless endpoint's queue. This change fixes a bug where the dummy queue was incorrectly set as the read queue and the endpoint's queue was incorrectly set as the write queue. This meant that read notifications went to the dummy queue and were black holed. PiperOrigin-RevId: 225921042 Change-Id: I8d9059def787a2c3c305185b92d05093fbd2be2a
2018-12-17Enable recently-fixed test case for shm_test.Rahat Mahmood
PiperOrigin-RevId: 225887356 Change-Id: Iee000dcfc9e0168c2566edf41c66108be9b68cd6
2018-12-17Implement mlock(), kind of.Jamie Liu
Currently mlock() and friends do nothing whatsoever. However, mlocking is directly application-visible in a number of ways; for example, madvise(MADV_DONTNEED) and msync(MS_INVALIDATE) both fail on mlocked regions. We handle this inconsistently: MADV_DONTNEED is too important to not work, but MS_INVALIDATE is rejected. Change MM to track mlocked regions in a manner consistent with Linux. It still will not actually pin pages into host physical memory, but: - mlock() will now cause sentry memory management to precommit mlocked pages. - MADV_DONTNEED and MS_INVALIDATE will interact with mlocked pages as described above. PiperOrigin-RevId: 225861605 Change-Id: Iee187204979ac9a4d15d0e037c152c0902c8d0ee
2018-12-14Add blocking recv testsIan Gudger
PiperOrigin-RevId: 225646045 Change-Id: Ic712ebc627587ef4a9486f0b39fe8c96100f10ff
2018-12-14Implement SO_SNDTIMEOIan Gudger
PiperOrigin-RevId: 225620490 Change-Id: Ia726107b3f58093a5f881634f90b071b32d2c269
2018-12-14Shard the syscall tests.Nicolas Lacasse
PiperOrigin-RevId: 225574278 Change-Id: If5060a37e8a9b0120bec2b5de4037354f0eaba16
2018-12-13Remove unused variable.Nicolas Lacasse
PiperOrigin-RevId: 225455503 Change-Id: I327fc6e7ba26532b628f343dece3bd9fc4d3b524
2018-12-13Clean up shm segments created by shm_test.Rahat Mahmood
This test suite was creating shm segments without ensuring they were cleaned up. Shm segments outlive the process creating them, so on a standard linux machine the test was leaving segments behind after each run. This would often cause failures as test cases would be affected by the cases that ran before them and left unexpected segments lying around. Also skip some assertions around memory usage when running on a Linux host, as we can't reason about external users of shm segments. PiperOrigin-RevId: 225435523 Change-Id: Ia299dacf59045002436f5e30dcc131f679bb7272
2018-12-13Fix WAITALL and RCVTIMEO interactionIan Gudger
PiperOrigin-RevId: 225424296 Change-Id: I60fcc2b859339dca9963cb32227a287e719ab765
2018-12-12Flush socket test descriptionIan Gudger
This ensures that we know what type of socket caused a timeout. PiperOrigin-RevId: 225294255 Change-Id: I9033bd0f3791d3b5714aa08d111cf58a3014d252
2018-12-11Add rvalue ref-qualified PosixErrorOr<T>::ValueOrDie() overloads.Jamie Liu
This allows ValueOrDie() to be called on PosixErrorOr rvalues (e.g. temporaries) holding move-only types without extraneous std::move()s. PiperOrigin-RevId: 225098036 Change-Id: I662862e4f3562141f941845fc6e197edb27ce29b
2018-12-11Fix README typosMichael Pratt
PiperOrigin-RevId: 225054712 Change-Id: I26e8bc3ef04fe96a4640e50ba4b635d4aa72cc50
2018-12-11Fix typo.Christopher Koch
PiperOrigin-RevId: 225046313 Change-Id: I95fe9c353a5bec13e6ad99094b7741a0e160e4d0
2018-12-10Fix test tag argument typoMichael Pratt
The argument is --test_tag_filters, not --test_tag_filter. Also switch to ... instead of :*, as it doesn't require special shell quoting to avoid * expansion. PiperOrigin-RevId: 224949618 Change-Id: I45dd6acbaeae29f2cc0baa977b086b5c037c6a88
2018-12-10Implement MSG_WAITALLIan Gudger
MSG_WAITALL requests that recv family calls do not perform short reads. It only has an effect for SOCK_STREAM sockets, other types ignore it. PiperOrigin-RevId: 224918540 Change-Id: Id97fbf972f1f7cbd4e08eec0138f8cbdf1c94fe7
2018-12-10Open source system call tests.Brian Geffon
PiperOrigin-RevId: 224886231 Change-Id: I0fccb4d994601739d8b16b1d4e6b31f40297fb22
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