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path: root/src/sync/atomic/doc.go
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2024-11-15sync/atomic: make intrinsics noescape except 64bits op on 32bits arch and ↵Jorropo
unsafe.Pointer Fixes #16241 I made 64 bits op on 32 bits arches still leak since it was kinda promised. The promised leaks were wider than this but I don't belive it's effect can be observed in an breaking maner without using unsafe the way it's currently setup. Change-Id: I66d8df47bfe49bce3efa64ac668a2a55f70733a3 Reviewed-on: https://go-review.googlesource.com/c/go/+/462298 Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com> Reviewed-by: Keith Randall <khr@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: David Chase <drchase@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
2024-06-07sync: include links to the Go memory model in package documentationRodrigo Orselli
The lack of links to https://go.dev/ref/mem in the sync package documentation makes it difficult to read for people who have no previous knowledge of that page. This PR includes the links where needed. Fixes #67891 Change-Id: I0e1344cc6d7b702f4cb2e55fe0fcee3eb089391a GitHub-Last-Rev: 427cf58aaeaae2e4b060248dd592e5fe8c6b7df4 GitHub-Pull-Request: golang/go#67892 Reviewed-on: https://go-review.googlesource.com/c/go/+/591395 Reviewed-by: Michael Knyszek <mknyszek@google.com> Auto-Submit: Ian Lance Taylor <iant@google.com> Reviewed-by: Ian Lance Taylor <iant@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-05-17sync/atomic: public And/Or ops and race instrumentationMauri de Souza Meneguzzo
This CL implements the new sync/atomic AND and OR apis as well as their race counterparts. Fixes #61395 Change-Id: I294eefe4b3ac27bc4ed237edcbfa88a8c646d86f GitHub-Last-Rev: f174297007c7b81b1ff4a687ef23d955a3ffd4db GitHub-Pull-Request: golang/go#64331 Reviewed-on: https://go-review.googlesource.com/c/go/+/544455 Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Austin Clements <austin@google.com> Auto-Submit: Austin Clements <austin@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Keith Randall <khr@google.com>
2023-03-25all: add a few links in package godocsDaniel Martí
I noticed the one in path/filepath while reading the docs, and the other ones were found via some quick grepping. Change-Id: I386f2f74ef816a6d18aa2f58ee6b64dbd0147c9e Reviewed-on: https://go-review.googlesource.com/c/go/+/478795 Run-TryBot: Daniel Martí <mvdan@mvdan.cc> Reviewed-by: Heschi Kreinick <heschi@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@google.com>
2022-11-17sync/atomic: hint users of old API to use new type-based API insteadKeith Randall
Fixes #56495 Change-Id: Ib2f39273da68e3056688306aa0d5e274b5507bf4 Reviewed-on: https://go-review.googlesource.com/c/go/+/449237 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Keith Randall <khr@google.com> Reviewed-by: Sean Liao <sean@liao.dev> Reviewed-by: Ian Lance Taylor <iant@google.com>
2022-06-07sync/atomic: clarify that 8-byte alignment of variables is due to escapeWill Hawkins
For #53223. Change-Id: I79e9b920488581a4d850e4051ee0dd600b5bbcb1 Reviewed-on: https://go-review.googlesource.com/c/go/+/410102 Reviewed-by: Michael Pratt <mpratt@google.com> Reviewed-by: Austin Clements <austin@google.com>
2022-06-06runtime, sync, sync/atomic: document happens-before guaranteesRuss Cox
A few of these are copied from the memory model doc. Many are entirely new, following discussion on #47141. See https://research.swtch.com/gomm for background. The rule we are establishing is that each type that is meant to help synchronize a Go program should document its happens-before guarantees. For #50859. Change-Id: I947c40639b263abe67499fa74f68711a97873a39 Reviewed-on: https://go-review.googlesource.com/c/go/+/381316 Auto-Submit: Russ Cox <rsc@golang.org> Run-TryBot: Russ Cox <rsc@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> Reviewed-by: Alan Donovan <adonovan@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Roland Shoemaker <roland@golang.org>
2022-06-03sync/atomic: note that alignment responsibility doesn't apply to typesMichael Pratt
For #50860. Change-Id: I8e117f00c5da230d0dc398aaed417fe5e64a5b22 Reviewed-on: https://go-review.googlesource.com/c/go/+/410127 TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Michael Pratt <mpratt@google.com> Reviewed-by: Michael Knyszek <mknyszek@google.com>
2022-05-19all: gofmt main repoRuss Cox
Excluding vendor and testdata. CL 384268 already reformatted most, but these slipped past. The struct in the doc comment in debug/dwarf/type.go was fixed up by hand to indent the first and last lines as well. For #51082. Change-Id: Iad020f83aafd671ff58238fe491907e85923d0c7 Reviewed-on: https://go-review.googlesource.com/c/go/+/407137 Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Gopher Robot <gobot@golang.org> Auto-Submit: Russ Cox <rsc@golang.org> Reviewed-by: Ian Lance Taylor <iant@google.com>
2020-11-23sync: use 386 instead of x86-32 to refer to the 32 bit x86 architectureMartin Möhrmann
This aligns the naming with GOARCH using 386 as a build target for this architecture and makes it more easily found when searching for documentation related to the build target. Change-Id: I393bb89dd2f71e568124107b13e1b288fbd0c76a Reviewed-on: https://go-review.googlesource.com/c/go/+/271988 Trust: Martin Möhrmann <moehrmann@google.com> Run-TryBot: Martin Möhrmann <martisch@uos.de> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
2020-03-19sync/atomic: remove panic64Daniel Martí
The func has been unused since https://golang.org/cl/93637 in 2018. Change-Id: I1cab6f265aa5058ac080fd7c7cbf0fe85370f073 Reviewed-on: https://go-review.googlesource.com/c/go/+/224077 Run-TryBot: Daniel Martí <mvdan@mvdan.cc> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Matt Layher <mdlayher@gmail.com> Reviewed-by: Austin Clements <austin@google.com>
2019-02-09sync/atomic: add 32-bit MIPS to the 64-bit alignment requirementIan Lance Taylor
runtime/internal/atomic/atomic_mipsx.go enforces 64-bit alignment. Change-Id: Ifdc36e1c0322827711425054d10f1c52425a13fa Reviewed-on: https://go-review.googlesource.com/c/161697 Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2017-07-11sync/atomic: clarify 64-bit alignment bugAustin Clements
Local variables can also be relied on the be 64-bit aligned, since they will be escaped to the heap if used with any atomic operations. Also, allocated arrays are also aligned, just like structs and slices. Fixes #18955. Change-Id: I8a1897f6ff78922c8bfcf20d6eb4bcb17a70ba2d Reviewed-on: https://go-review.googlesource.com/48112 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2016-03-01all: make copyright headers consistent with one space after periodBrad Fitzpatrick
This is a subset of https://golang.org/cl/20022 with only the copyright header lines, so the next CL will be smaller and more reviewable. Go policy has been single space after periods in comments for some time. The copyright header template at: https://golang.org/doc/contribute.html#copyright also uses a single space. Make them all consistent. Change-Id: Icc26c6b8495c3820da6b171ca96a74701b4a01b0 Reviewed-on: https://go-review.googlesource.com/20111 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
2014-09-08build: move package sources from src/pkg to srcRuss Cox
Preparation was in CL 134570043. This CL contains only the effect of 'hg mv src/pkg/* src'. For more about the move, see golang.org/s/go14nopkg.
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