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path: root/src/os/pipe_bsd.go
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2022-03-08os, internal/syscall/unix: consolidate Pipe implementationsTobias Klauser
All platforms with the pipe2 syscall now provide syscall.Pipe2. Use it to implement os.Pipe. This also allows to drop the illumos-specific wrapper in internal/sys/unix. Change-Id: Ieb712a1498e86a389bad261e4e97c61c11d4bdd0 Reviewed-on: https://go-review.googlesource.com/c/go/+/390715 Trust: Tobias Klauser <tobias.klauser@gmail.com> Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> Trust: Matt Layher <mdlayher@gmail.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
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>
2021-02-25syscall, os: use pipe2 syscall on DragonflyBSD instead of pipeTobias Klauser
Follow the implementation used by the other BSDs and account for the intricacy of having to pass the fds array even though the file descriptors are returned. Re-submit of CL 130996 with corrected pipe2 wrapper. Change-Id: Ie36d8214cba60c4fdb579f18bfc1c1ab3ead3ddc Reviewed-on: https://go-review.googlesource.com/c/go/+/295372 Trust: Tobias Klauser <tobias.klauser@gmail.com> Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
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>
2020-09-16os, internal/syscall/unix: use pipe2 instead of pipe on illumosTobias Klauser
Illumos provides the pipe2 syscall. Add a wrapper to internal/syscall/unix and use it to implement os.Pipe. Change-Id: I26ecdbcae1e8d51f80e2bc8a86fb129826387b1f Reviewed-on: https://go-review.googlesource.com/c/go/+/254981 Trust: Tobias Klauser <tobias.klauser@gmail.com> Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-10-09all: remove the nacl port (part 1)Brad Fitzpatrick
You were a useful port and you've served your purpose. Thanks for all the play. A subsequent CL will remove amd64p32 (including assembly files and toolchain bits) and remaining bits. The amd64p32 removal will be separated into its own CL in case we want to support the Linux x32 ABI in the future and want our old amd64p32 support as a starting point. Updates #30439 Change-Id: Ia3a0c7d49804adc87bf52a4dea7e3d3007f2b1cd Reviewed-on: https://go-review.googlesource.com/c/go/+/199499 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-10-11os: add AIX operating systemClément Chigot
This commit adds AIX operating system to os package for ppc64 architecture. Updates: #25893 Change-Id: Ieb9a2b3ac5b9abd3b5ab68eb732c17b6256d624d Reviewed-on: https://go-review.googlesource.com/c/138725 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-08-26Revert "syscall, os: use pipe2 syscall on DragonflyBSD instead of pipe"Tobias Klauser
This reverts commit e6c15945dee0661dee6111183d4951853c4c2d98. Reason for revert: breaks the Dragonfly builders. Fixes #27245 Change-Id: I2c147a5726aec28647f6ef5eb8f9db5efa3a9fd0 Reviewed-on: https://go-review.googlesource.com/131497 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-08-24syscall, os: use pipe2 syscall on DragonflyBSD instead of pipeTobias Klauser
Follow the implementation used by the other BSDs ith os.Pipe and syscall.forkExecPipe consisting of a single syscall instead of three. Change-Id: I602187672f244cbd8faaa3397904d71d15452d9f Reviewed-on: https://go-review.googlesource.com/130996 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-06-01os: add js/wasm architectureRichard Musiol
This commit adds the js/wasm architecture to the os package. Access to the actual file system is supported through Node.js. Updates #18892 Change-Id: I6fa642fb294ca020b2c545649d4324d981aa0408 Reviewed-on: https://go-review.googlesource.com/109977 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-02-27os, syscall: use pipe2 instead of pipe syscall on OpenBSDTobias Klauser
The pipe2 syscall is part of OpenBSD since version 5.7 and thus exists in all officially supported versions. Follows CL 38426 and CL 94035 Change-Id: I8f93ecbc89664241f1b6b0d069e948776941b1d0 Reviewed-on: https://go-review.googlesource.com/97356 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-02-14syscall, os: use pipe2 syscall on NetBSD instead of pipeTobias Klauser
The pipe2 syscall is part of NetBSD since version 6.0 and thus exists in all officially supported versions (6.0 through 6.1 and 7.0+). Follows CL 38426 Change-Id: I7b62b507300c3dfbcc6ae56408a7d7088ddccc77 Reviewed-on: https://go-review.googlesource.com/94035 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Benny Siegert <bsiegert@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
2017-10-25os: add deadline methods for File typeIan Lance Taylor
Add SetDeadline, SetReadDeadline, and SetWriteDeadline methods to os.File, just as they exist today for the net package. Fixes #22114 Change-Id: I4d390d739169b991175baba676010897dc8568fa Reviewed-on: https://go-review.googlesource.com/71770 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: David Crawshaw <crawshaw@golang.org> Reviewed-by: Joe Tsai <thebrokentoaster@gmail.com>
2017-03-21syscall, os: use pipe2 syscall on FreeBSD instead of pipeBrad Fitzpatrick
The pipe2 syscall exists in all officially supported FreeBSD versions: 10, 11 and future 12. The pipe syscall no longer exists in 11 and 12. To build and run Go on these versions, kernel needs COMPAT_FREEBSD10 option. Based on Gleb Smirnoff's https://golang.org/cl/38422 Fixes #18854 Change-Id: I8e201ee1b15dca10427c3093b966025d160aaf61 Reviewed-on: https://go-review.googlesource.com/38426 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Rob Pike <r@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2017-02-15os: use poller for file I/OIan Lance Taylor
This changes the os package to use the runtime poller for file I/O where possible. When a system call blocks on a pollable descriptor, the goroutine will be blocked on the poller but the thread will be released to run other goroutines. When using a non-pollable descriptor, the os package will continue to use thread-blocking system calls as before. For example, on GNU/Linux, the runtime poller uses epoll. epoll does not support ordinary disk files, so they will continue to use blocking I/O as before. The poller will be used for pipes. Since this means that the poller is used for many more programs, this modifies the runtime to only block waiting for the poller if there is some goroutine that is waiting on the poller. Otherwise, there is no point, as the poller will never make any goroutine ready. This preserves the runtime's current simple deadlock detection. This seems to crash FreeBSD systems, so it is disabled on FreeBSD. This is issue 19093. Using the poller on Windows requires opening the file with FILE_FLAG_OVERLAPPED. We should only do that if we can remove that flag if the program calls the Fd method. This is issue 19098. Update #6817. Update #7903. Update #15021. Update #18507. Update #19093. Update #19098. Change-Id: Ia5197dcefa7c6fbcca97d19a6f8621b2abcbb1fe Reviewed-on: https://go-review.googlesource.com/36800 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Russ Cox <rsc@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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