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path: root/pkg/sentry/kernel/task_signals.go
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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
2019-04-29Change 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
2019-04-29Allow and document bug ids in gVisor codebase.Nicolas Lacasse
PiperOrigin-RevId: 245818639 Change-Id: I03703ef0fb9b6675955637b9fe2776204c545789
2019-04-17Don't allow sigtimedwait to catch unblockable signalsMichael Pratt
The existing logic attempting to do this is incorrect. Unary ^ has higher precedence than &^, so mask always has UnblockableSignals cleared, allowing dequeueSignalLocked to dequeue unblockable signals (which allows userspace to ignore them). Switch the logic so that unblockable signals are always masked. PiperOrigin-RevId: 244058487 Change-Id: Ib19630ac04068a1fbfb9dc4a8eab1ccbdb21edc3
2019-04-08Export kernel.SignalInfoPriv.Jamie Liu
Also add kernel.SignalInfoNoInfo, and use it in RLIMIT_FSIZE checks. PiperOrigin-RevId: 242562428 Change-Id: I4887c0e1c8f5fddcabfe6d4281bf76d2f2eafe90
2019-03-22Implement PTRACE_SEIZE, PTRACE_INTERRUPT, and PTRACE_LISTEN.Jamie Liu
PiperOrigin-RevId: 239803092 Change-Id: I42d612ed6a889e011e8474538958c6de90c6fcab
2018-12-26Add EventChannel messages for uncaught signals.Brian Geffon
PiperOrigin-RevId: 226936778 Change-Id: I2a6dda157c55d39d81e1b543ab11a58a0bfe5c05
2018-10-19Use correct company name in copyright headerIan Gudger
PiperOrigin-RevId: 217951017 Change-Id: Ie08bf6987f98467d07457bcf35b5f1ff6e43c035
2018-10-17Check thread group CPU timers in the CPU clock ticker.Jamie Liu
This reduces the number of goroutines and runtime timers when ITIMER_VIRTUAL or ITIMER_PROF are enabled, or when RLIMIT_CPU is set. This also ensures that thread group CPU timers only advance if running tasks are observed at the time the CPU clock advances, mostly eliminating the possibility that a CPU timer expiration observes no running tasks and falls back to the group leader. PiperOrigin-RevId: 217603396 Change-Id: Ia24ce934d5574334857d9afb5ad8ca0b6a6e65f4
2018-09-14Fix interaction between rt_sigtimedwait and ignored signals.Jamie Liu
PiperOrigin-RevId: 213011782 Change-Id: I716c6ea3c586b0c6c5a892b6390d2d11478bc5af
2018-08-31Disintegrate kernel.TaskResources.Jamie Liu
This allows us to call kernel.FDMap.DecRef without holding mutexes cleanly. PiperOrigin-RevId: 211139657 Change-Id: Ie59d5210fb9282e1950e2e40323df7264a01bcec
2018-08-23Implement POSIX per-process interval timers.Jamie Liu
PiperOrigin-RevId: 210021612 Change-Id: If7c161e6fd08cf17942bfb6bc5a8d2c4e271c61e
2018-08-02Automated rollback of changelist 207037226Zhaozhong Ni
PiperOrigin-RevId: 207125440 Change-Id: I6c572afb4d693ee72a0c458a988b0e96d191cd49
2018-08-01Automated rollback of changelist 207007153Michael Pratt
PiperOrigin-RevId: 207037226 Change-Id: I8b5f1a056d4f3eab17846f2e0193bb737ecb5428
2018-08-01stateify: convert all packages to use explicit mode.Zhaozhong Ni
PiperOrigin-RevId: 207007153 Change-Id: Ifedf1cc3758dc18be16647a4ece9c840c1c636c9
2018-06-08Fix sigaltstack semantics.Adin Scannell
Walking off the bottom of the sigaltstack, for example with recursive faults, results in forced signal delivery, not resetting the stack or pushing signal stack to whatever happens to lie below the signal stack. PiperOrigin-RevId: 199856085 Change-Id: I0004d2523f0df35d18714de2685b3eaa147837e0
2018-05-08Fix warning: redundant if ...; err != nil check, just return error instead.Ian Gudger
This warning is produced by golint. PiperOrigin-RevId: 195833381 Change-Id: Idd6a7e57e3cfdf00819f2374b19fc113585dc1e1
2018-04-28Check in gVisor.Googler
PiperOrigin-RevId: 194583126 Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463
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