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2019-08-30Automated rollback of changelist 261387276Bhasker Hariharan
PiperOrigin-RevId: 266491264
2019-08-29Implement /proc/net/udp.Rahat Mahmood
PiperOrigin-RevId: 266229756
2019-08-26Internal change.gVisor bot
PiperOrigin-RevId: 265535438
2019-08-02Job control: controlling TTYs and foreground process groups.Kevin Krakauer
(Don't worry, this is mostly tests.) Implemented the following ioctls: - TIOCSCTTY - set controlling TTY - TIOCNOTTY - remove controlling tty, maybe signal some other processes - TIOCGPGRP - get foreground process group. Also enables tcgetpgrp(). - TIOCSPGRP - set foreground process group. Also enabled tcsetpgrp(). Next steps are to actually turn terminal-generated control characters (e.g. C^c) into signals to the proper process groups, and to send SIGTTOU and SIGTTIN when appropriate. PiperOrigin-RevId: 261387276
2019-07-08Internal change.gVisor bot
PiperOrigin-RevId: 257042681
2019-07-08Merge pull request #375 from jmgao:mastergVisor bot
PiperOrigin-RevId: 257041876
2019-06-28Fix suggestions from clang.Nicolas Lacasse
PiperOrigin-RevId: 255679603
2019-06-27Fix various spelling issues in the documentationMichael Pratt
Addresses obvious typos, in the documentation only. COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/443 from Pixep:fix/documentation-spelling 4d0688164eafaf0b3010e5f4824b35d1e7176d65 PiperOrigin-RevId: 255477779
2019-06-20Implement madvise(MADV_DONTFORK)Neel Natu
PiperOrigin-RevId: 254253777
2019-05-24Extract SleepSafe from test_utilTamir Duberstein
Allows socket tests that rely on test_util to compile on Fuchsia. PiperOrigin-RevId: 249884084 Change-Id: I17617e3f1baaba4c85c689f40db4a42a8de1597e
2019-05-14Update out of date commentMichael Pratt
PiperOrigin-RevId: 248265524 Change-Id: Ib9082f08d24ba10535079cf89c714fb22a4fdf10
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
2019-04-26Remove syscall tests' dependency on glogTamir Duberstein
PiperOrigin-RevId: 245469859 Change-Id: I0610e477cc3a884275852e83028ecfb501f2c039
2019-04-25Handle glibc and XSI variants of strerror_rTamir Duberstein
PiperOrigin-RevId: 245306581 Change-Id: I44a034310809f8e9e651be8023ff1985561602fc
2019-04-25Remove useless modifiersTamir Duberstein
PiperOrigin-RevId: 245304611 Change-Id: Ie0e9bfc03d064e41d50157eeb4df22b2635f41e2
2019-03-19netstack: reduce MSS from SYN to account tcp optionsAndrei Vagin
See: https://tools.ietf.org/html/rfc6691#section-2 PiperOrigin-RevId: 239305632 Change-Id: Ie8eb912a43332e6490045dc95570709c5b81855e
2019-03-18Replace use of ucontext with ucontext_t.Kevin Krakauer
PiperOrigin-RevId: 239026571 Change-Id: Ifd01674855094f3abad497776f418023452033a1
2019-02-26Improve PosixErrorOr messages using gtest matchers.Brian Geffon
There was a minor bug whth IsPosixErrorOkAndHoldsMatcher where it wouldn't display the actual value contained. This fixes that and adds a few other minor improvements. PiperOrigin-RevId: 235809065 Change-Id: I487e5072e9569eb06104522963e9a1b34204daaf
2019-02-05Change /proc/PID/cmdline to read environment vector.Zach Koopmans
- Change proc to return envp on overwrite of argv with limitations from upstream. - Add unit tests - Change layout of argv/envp on the stack so that end of argv is contiguous with beginning of envp. PiperOrigin-RevId: 232506107 Change-Id: I993880499ab2c1220f6dc456a922235c49304dec
2019-01-31Remove license commentsMichael Pratt
Nothing reads them and they can simply get stale. Generated with: $ sed -i "s/licenses(\(.*\)).*/licenses(\1)/" **/BUILD PiperOrigin-RevId: 231818945 Change-Id: Ibc3f9838546b7e94f13f217060d31f4ada9d4bf0
2019-01-29Refactor out NewEventFD to a test utility.Jamie Liu
PiperOrigin-RevId: 231404512 Change-Id: I31efcc23a0c4a48ef6fbba3ca07415d79290f55c
2019-01-23Fix cases of missing braces on ifMichael Pratt
PiperOrigin-RevId: 230641540 Change-Id: Icccc3cdeec191138940f0ecea0a29798359d2b1f
2019-01-10Fixing select call to not enforce RLIMIT_NOFILE.Zach Koopmans
Removing check to RLIMIT_NOFILE in select call. Adding unit test to select suite to document behavior. Moving setrlimit class from mlock to a util file for reuse. Fixing flaky test based on comments from Jamie. PiperOrigin-RevId: 228726131 Change-Id: Ie9dbe970bbf835ba2cca6e17eec7c2ee6fadf459
2019-01-09Make CooperativeSaveEnabled() async-signal-safe(r).Jamie Liu
The static local variable `enabled` in CooperativeSaveEnabled() is not initialized until the first call to CooperativeSaveEnabled(), per the C++14 standard, section 6.7 ("Declaration statement"), paragraph 4. This initialization is thread-safe as of C++11, but it is *not* required to be async-signal-safe. Use a namespace-scope variable instead, since this is guaranteed to be zero-initialized before main() by section 3.6.2 ("Initialization of non-local variables"). getenv() is technically not async-signal-safe either, hence the hedging in the change summary line. However, glibc's implementation of getenv() appears to be async-signal-safe in the absence of calls to setenv(). PiperOrigin-RevId: 228588617 Change-Id: I669f555d1c91352d55c606970bb237ec888fa7ca
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
2018-12-21Fix test util testsMichael Pratt
We actually need to include test main! PiperOrigin-RevId: 226524447 Change-Id: I9d9e631611183c7c1fbae1c20a222c9aeef269b2
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
2018-12-18Allow PosixErrorOr<T> to be implicitly constructible from copyable T.Jamie Liu
PiperOrigin-RevId: 226037787 Change-Id: I5fb5f55f68b67dd86bbff46349b46e3e8e6b9d1b
2018-12-18Correctly handle filenames containing spaces in ParseProcMapsLine.Jamie Liu
PiperOrigin-RevId: 225992500 Change-Id: Icc8b1675f1cb625fc5e8ef7389beb42fa7bfaa13
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
2018-12-10Open source system call tests.Brian Geffon
PiperOrigin-RevId: 224886231 Change-Id: I0fccb4d994601739d8b16b1d4e6b31f40297fb22
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