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path: root/src/runtime/os_linux_generic.go
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2022-09-21runtime: treat SI_TKILL like SI_USER on LinuxIan Lance Taylor
On Linux a signal sent using tgkill will have si_code == SI_TKILL, not SI_USER. Treat the two cases the same. Add a Linux-specific test. Change the test to use the C pause function rather than sleeping for a second, as that achieves the same effect. This is a roll forward of CL 431255 which was rolled back in CL 431715. This new version skips flaky tests on more systems, and marks a new method nosplit. Change-Id: Ibf2d3e6fc43d63d0a71afa8fcca6a11fda03f291 Reviewed-on: https://go-review.googlesource.com/c/go/+/432136 Auto-Submit: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Bryan Mills <bcmills@google.com> Reviewed-by: Michael Pratt <mpratt@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>
2022-09-19Revert "runtime: treat SI_TKILL like SI_USER on Linux"Cuong Manh Le
This reverts CL 431255. Reason for revert: breaks darwin-arm and linux-noopt builders. Change-Id: I29332b935cc1e35fa039af3d70465e496361fcc9 Reviewed-on: https://go-review.googlesource.com/c/go/+/431715 Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com> TryBot-Result: Gopher Robot <gobot@golang.org> Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com> Reviewed-by: Bryan Mills <bcmills@google.com> Reviewed-by: Cherry Mui <cherryyz@google.com>
2022-09-17runtime: treat SI_TKILL like SI_USER on LinuxIan Lance Taylor
On Linux a signal sent using tgkill will have si_code == SI_TKILL, not SI_USER. Treat the two cases the same. Add a Linux-specific test. Change the test to use the C pause function rather than sleeping for a second, as that achieves the same effect. Change-Id: I2a36646aecabcab9ec42ed9a048b07c2ff0a3987 Reviewed-on: https://go-review.googlesource.com/c/go/+/431255 TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Ian Lance Taylor <iant@google.com> Reviewed-by: Michael Pratt <mpratt@google.com> Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Ian Lance Taylor <iant@google.com> Auto-Submit: Ian Lance Taylor <iant@google.com>
2021-10-28all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor)Russ Cox
When these packages are released as part of Go 1.18, Go 1.16 will no longer be supported, so we can remove the +build tags in these files. Ran go fix -fix=buildtag std cmd and then reverted the bootstrapDirs as defined in src/cmd/dist/buildtool.go, which need to continue to build with Go 1.4 for now. Also reverted src/vendor and src/cmd/vendor, which will need to be updated in their own repos first. Manual changes in runtime/pprof/mprof_test.go to adjust line numbers. For #41184. Change-Id: Ic0f93f7091295b6abc76ed5cd6e6746e1280861e Reviewed-on: https://go-review.googlesource.com/c/go/+/344955 Trust: Russ Cox <rsc@golang.org> Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Bryan C. Mills <bcmills@google.com>
2021-02-20all: go fmt std cmd (but revert vendor)Russ Cox
Make all our package sources use Go 1.17 gofmt format (adding //go:build lines). Part of //go:build change (#41184). See https://golang.org/design/draft-gobuild Change-Id: Ia0534360e4957e58cd9a18429c39d0e32a6addb4 Reviewed-on: https://go-review.googlesource.com/c/go/+/294430 Trust: Russ Cox <rsc@golang.org> Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com> Reviewed-by: Ian Lance Taylor <iant@golang.org>
2020-12-09runtime: prevent stack growth after fork in runtime.sigfillsetHaoran Luo
This fixes the unexpected growth of stack in child process, which is caused by stack checking code in runtime.sigfillset called from runtime.sigset while clearing the signal handlers in child process. The redundant stack checking code is generated due to missing '//go:nosplit' directive that should be annotated for runtime.sigfillset. Fixes #43066 Updates #21314 Change-Id: I9483a962a4b0747074313991841e2440ee32198c Reviewed-on: https://go-review.googlesource.com/c/go/+/276173 Run-TryBot: Austin Clements <austin@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Michael Pratt <mpratt@google.com> Reviewed-by: Austin Clements <austin@google.com>
2018-02-17runtime: remove unused getrlimit functionTobias Klauser
Follow CL 93655 which removed the (commented-out) usage of this function. Also remove unused constant _RLIMIT_AS and type rlimit. Change-Id: Ifb6e6b2104f4c2555269f8ced72bfcae24f5d5e9 Reviewed-on: https://go-review.googlesource.com/94775 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Austin Clements <austin@google.com>
2016-11-15runtime: add support files for linux/mips{,le} portVladimir Stefanovic
Only exe buildmode without cgo supported. Change-Id: Id104a79a99d3285c04db00fd98b8affa94ea3c37 Reviewed-on: https://go-review.googlesource.com/31487 Run-TryBot: Cherry Zhang <cherryyz@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com>
2016-10-06runtime: fix sigset type for ppc64 big-endian GNU/LinuxIan Lance Taylor
On 64-bit big-endian GNU/Linux machines we need to treat sigset as a single uint64, not as a pair of uint32 values. This fix was already made for s390x, but not for ppc64 (which is big-endian--the little endian version is known as ppc64le). So copy os_linux_390.x to os_linux_be64.go, and use build constraints as needed. Fixes #17361 Change-Id: Ia0eb18221a8f5056bf17675fcfeb010407a13fb0 Reviewed-on: https://go-review.googlesource.com/30602 Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2016-09-27runtime: remove sigmask type, use sigset insteadIan Lance Taylor
The OS-independent sigmask type was not pulling its weight. Replace it with the OS-dependent sigset type. This requires adding an OS-specific sigaddset function, but permits removing the OS-specific sigmaskToSigset function. Change-Id: I43307b512b0264ec291baadaea902f05ce212305 Reviewed-on: https://go-review.googlesource.com/29950 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2016-09-24runtime: unify some signal handling functionsIan Lance Taylor
Unify the OS-specific versions of msigsave, msigrestore, sigblock, updatesigmask, and unblocksig into single versions in signal_unix.go. To do this, make sigprocmask work the same way on all systems, which required adding a definition of sigprocmask for linux and openbsd. Also add a single OS-specific function sigmaskToSigset. Change-Id: I7cbf75131dddb57eeefe648ef845b0791404f785 Reviewed-on: https://go-review.googlesource.com/29689 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: David Crawshaw <crawshaw@golang.org>
2016-04-06os: consolidate os{1,2}_*.go filesBrad Fitzpatrick
Change-Id: I463ca59f486b2842f67f151a55f530ee10663830 Reviewed-on: https://go-review.googlesource.com/21568 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Dave Cheney <dave@cheney.net> Reviewed-by: Minux Ma <minux@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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