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path: root/pkg/p9/client.go
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2021-03-03[op] Replace syscall package usage with golang.org/x/sys/unix in pkg/.Ayush Ranjan
The syscall package has been deprecated in favor of golang.org/x/sys. Note that syscall is still used in the following places: - pkg/sentry/socket/hostinet/stack.go: some netlink related functionalities are not yet available in golang.org/x/sys. - syscall.Stat_t is still used in some places because os.FileInfo.Sys() still returns it and not unix.Stat_t. Updates #214 PiperOrigin-RevId: 360701387
2021-01-12Fix simple mistakes identified by goreportcard.Adin Scannell
These are primarily simplification and lint mistakes. However, minor fixes are also included and tests added where appropriate. PiperOrigin-RevId: 351425971
2020-11-17Add support for TTY in multi-containerFabricio Voznika
Fixes #2714 PiperOrigin-RevId: 342950412
2020-04-10Return EIO from p9 if sending/receiving fails.Dean Deng
Continues the modifications in cl/272963663. This prevents non-syscall errors from being propogated to kernel/task_syscall.go:ExtractErrno(), which causes a sentry panic. PiperOrigin-RevId: 305913127
2020-02-06Move p9.pool to a separate packageAndrei Vagin
PiperOrigin-RevId: 293617493
2020-01-09New sync package.Ian Gudger
* Rename syncutil to sync. * Add aliases to sync types. * Replace existing usage of standard library sync package. This will make it easier to swap out synchronization primitives. For example, this will allow us to use primitives from github.com/sasha-s/go-deadlock to check for lock ordering violations. Updates #1472 PiperOrigin-RevId: 289033387
2019-10-04Return EIO from p9 if flipcall.Endpoint.Connect() fails.Jamie Liu
Also ensure that all flipcall transport errors not returned by p9 (converted to EIO by the client, or dropped on the floor by channel server goroutines) are logged. PiperOrigin-RevId: 272963663
2019-09-19Fix p9 integration of flipcall.Jamie Liu
- Do not call Rread.SetPayload(flipcall packet window) in p9.channel.recv(). - Ignore EINTR from ppoll() in p9.Client.watch(). - Clean up handling of client socket FD lifetimes so that p9.Client.watch() never ppoll()s a closed FD. - Make p9test.Harness.Finish() call clientSocket.Shutdown() instead of clientSocket.Close() for the same reason. - Rework channel reuse to avoid leaking channels in the following case (suppose we have two channels): sendRecvChannel len(channels) == 2 => idx = 1 inuse[1] = ch0 sendRecvChannel len(channels) == 1 => idx = 0 inuse[0] = ch1 inuse[1] = nil sendRecvChannel len(channels) == 1 => idx = 0 inuse[0] = ch0 inuse[0] = nil inuse[0] == nil => ch0 leaked - Avoid deadlocking p9.Client.watch() by calling channelsWg.Wait() without holding channelsMu. - Bump p9test:client_test size to medium. PiperOrigin-RevId: 270200314
2019-09-12Update p9 to support flipcall.Adin Scannell
PiperOrigin-RevId: 268845090
2019-06-13Update canonical repository.Adin Scannell
This can be merged after: https://github.com/google/gvisor-website/pull/77 or https://github.com/google/gvisor-website/pull/78 PiperOrigin-RevId: 253132620
2019-04-29Reduce memory allocations on serving pathFabricio Voznika
Cache last used messages and reuse them for subsequent requests. If more messages are needed, they are created outside the cache on demand. PiperOrigin-RevId: 245836910 Change-Id: Icf099ddff95df420db8e09f5cdd41dcdce406c61
2019-04-29Change copyright notice to "The gVisor Authors"Michael Pratt
Based on the guidelines at https://opensource.google.com/docs/releasing/authors/. 1. $ rg -l "Google LLC" | xargs sed -i 's/Google LLC.*/The gVisor Authors./' 2. Manual fixup of "Google Inc" references. 3. Add AUTHORS file. Authors may request to be added to this file. 4. Point netstack AUTHORS to gVisor AUTHORS. Drop CONTRIBUTORS. Fixes #209 PiperOrigin-RevId: 245823212 Change-Id: I64530b24ad021a7d683137459cafc510f5ee1de9
2018-10-23Track paths and provide a rename hook.Adin Scannell
This change also adds extensive testing to the p9 package via mocks. The sanity checks and type checks are moved from the gofer into the core package, where they can be more easily validated. PiperOrigin-RevId: 218296768 Change-Id: I4fc3c326e7bf1e0e140a454cbacbcc6fd617ab55
2018-10-19Use correct company name in copyright headerIan Gudger
PiperOrigin-RevId: 217951017 Change-Id: Ie08bf6987f98467d07457bcf35b5f1ff6e43c035
2018-04-28Check in gVisor.Googler
PiperOrigin-RevId: 194583126 Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463
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