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go/src/runtime/export_linux_test.go

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all: make copyright headers consistent with one space after period 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>
2016-03-01 15:57:46 -07:00
// Copyright 2015 The Go Authors. All rights reserved.
runtime: merge clone0 and clone We initially added clone0 to handle the case when G or M don't exist, but it turns out that we could have just modified clone. (It also helps that the function we're invoking in clone0 no longer needs arguments.) As a side-effect, newosproc0 is now supported on all linux archs. Change-Id: Ie603af75d8f164310fc16446052d83743961f3ca Reviewed-on: https://go-review.googlesource.com/9164 Reviewed-by: David Crawshaw <crawshaw@golang.org>
2015-04-17 18:27:07 -06:00
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Export guts for testing.
package runtime
runtime: fix errno sign for epollctl on mips, mips64 and ppc64 The caller of epollctl expects it to return a negative errno value, but it returns a positive errno value on mips, mips64 and ppc64. The change fixes this. Updates #23446 Change-Id: Ie6372eca6c23de21964caaaa433c9a45ef93531e Reviewed-on: https://go-review.googlesource.com/89235 Reviewed-by: Carlos Eduardo Seo <cseo@linux.vnet.ibm.com> Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-01-23 00:56:24 -07:00
import "unsafe"
runtime: merge clone0 and clone We initially added clone0 to handle the case when G or M don't exist, but it turns out that we could have just modified clone. (It also helps that the function we're invoking in clone0 no longer needs arguments.) As a side-effect, newosproc0 is now supported on all linux archs. Change-Id: Ie603af75d8f164310fc16446052d83743961f3ca Reviewed-on: https://go-review.googlesource.com/9164 Reviewed-by: David Crawshaw <crawshaw@golang.org>
2015-04-17 18:27:07 -06:00
var NewOSProc0 = newosproc0
runtime: fix errno sign for some mmap and mincore cases The caller of mmap expects it to return a positive errno value, but the linux-arm64 and nacl-386 system calls returned a negative errno value. Correct them to negate the errno value. The caller of mincore expects it to return a negative errno value (yes, this is inconsistent), but the linux-mips64x and linux-ppc64x system call returned a positive errno value. Correct them to negate the errno value. Add a test that mmap returns errno with the correct sign. Brad added a test for mincore's errno value in https://golang.org/cl/19457. Fixes #14297. Change-Id: I2b93f32e679bd1eae1c9aef9ae7bcf0ba39521b5 Reviewed-on: https://go-review.googlesource.com/19455 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Minux Ma <minux@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-02-10 22:46:51 -07:00
var Mincore = mincore
runtime: fix unsafe.Pointer alignment on Linux Caught by go test -a -short -gcflags=all=-d=checkptr runtime TestMincoreErrorSign intentionally uses uintptr(1) to get -EINVAL, but it violates unsafe pointer rules 2. So use another misaligned pointer add(new(int32), 1), but do not violate unsafe pointer rules. TestEpollctlErrorSign passes an unsafe.Pointer of &struct{}{} to Epollctl, which is then casted to epollevent, causes mis-alignment. Fixing it by exporting epollevent on runtime_test package, so it can be passed to Epollctl. Updates #34972 Change-Id: I78ebfbeaf706fd1d372272af0bbc4e2cabca4631 Reviewed-on: https://go-review.googlesource.com/c/go/+/202157 Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com> Reviewed-by: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-10-19 02:18:34 -06:00
var Add = add
type EpollEvent epollevent
runtime: fix errno sign for epollctl on mips, mips64 and ppc64 The caller of epollctl expects it to return a negative errno value, but it returns a positive errno value on mips, mips64 and ppc64. The change fixes this. Updates #23446 Change-Id: Ie6372eca6c23de21964caaaa433c9a45ef93531e Reviewed-on: https://go-review.googlesource.com/89235 Reviewed-by: Carlos Eduardo Seo <cseo@linux.vnet.ibm.com> Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-01-23 00:56:24 -07:00
func Epollctl(epfd, op, fd int32, ev unsafe.Pointer) int32 {
return epollctl(epfd, op, fd, (*epollevent)(ev))
}
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