- 26 Jun, 2017 3 commits
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Austin Clements authored
When the dedicated mark worker runs, the scheduler won't run on that P again until GC runs out of mark work. As a result, any goroutines in that P's local run queue are stranded until another P steals them. In a normally operating system this may take a long time, and in a 100% busy system, the scheduler never attempts to steal from another P. Fix this by draining the local run queue into the global run queue if the dedicated mark worker has run for long enough. We don't do this immediately upon scheduling the dedicated mark worker in order to avoid destroying locality if the mark worker runs for a short time. Instead, the scheduler delays draining the run queue until the mark worker gets its first preemption request (and otherwise ignores the preemption request). Fixes #20011. Change-Id: I13067194b2f062b8bdef25cb75e4143b7fb6bb73 Reviewed-on: https://go-review.googlesource.com/46610 Run-TryBot: Austin Clements <austin@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Rick Hudson <rlh@golang.org>
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Robert Griesemer authored
Fixes crash when printing a related error message later on. Fixes #20789. Change-Id: I6d2c35aafcaeda26a211fc6c8b7dfe4a095a3efe Reviewed-on: https://go-review.googlesource.com/46713 Run-TryBot: Robert Griesemer <gri@golang.org> Reviewed-by:
Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by:
Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Yasha Bubnov authored
The existing implementation sequentially closes connection in the loop and until the previous client connections is not closed the next one would not be processed. Instead, the algorithm modified to spawn the function that closes single connection in a standalone goroutine, thus making at least a try to close it. Change-Id: Ib96b5b477f841926450d122b67f14f1a2da36ee1 Reviewed-on: https://go-review.googlesource.com/33614Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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- 25 Jun, 2017 1 commit
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Ian Lance Taylor authored
Change-Id: I284ecfab574b3058ba66b75f8f8d2ccdb90a8a0c Reviewed-on: https://go-review.googlesource.com/46650 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Elias Naur <elias.naur@gmail.com> Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org>
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- 24 Jun, 2017 1 commit
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Ian Lance Taylor authored
When Stop is called on a channel, wait until all signals have been delivered to the channel before returning. Use atomic operations in sigqueue to communicate more reliably between the os/signal goroutine and the signal handler. Fixes #14571 Change-Id: I6c5a9eea1cff85e37a34dffe96f4bb2699e12c6e Reviewed-on: https://go-review.googlesource.com/46003 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Austin Clements <austin@google.com>
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- 23 Jun, 2017 14 commits
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Ben Shi authored
"MULBB R1, R2, R3" is encoded to 0xe163f182, which should be 0xe1630182. This patch fix it. fix #20764 Change-Id: I9d3c3ffa40ecde86638e5e083eacc67578caebf4 Reviewed-on: https://go-review.googlesource.com/46491 Run-TryBot: Cherry Zhang <cherryyz@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Cherry Zhang <cherryyz@google.com>
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Ian Lance Taylor authored
I have no test case for this, but there is one report on the mailing list (https://groups.google.com/d/msg/golang-dev/sDg-t1_DPw0/-AJmLxgPBQAJ) in which waitid running on MIPS returns EFAULT. Change-Id: I79bde63c7427eefc1f2925d78d97cc9cf2fffde3 Reviewed-on: https://go-review.googlesource.com/46511 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org>
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Russ Cox authored
If GOROOT_FINAL was set during the build, the default GOROOT will not be testGOROOT. Determine the default GOROOT by reading the right source file instead of guessing. (GOROOT_FINAL may no longer be set when the test is actually run.) Also refactor a bit. Fixes #20284. Change-Id: I2274595a235bee10c3f3a5ffecf4bb976f4d9982 Reviewed-on: https://go-review.googlesource.com/46428 Run-TryBot: Russ Cox <rsc@golang.org> Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Russ Cox authored
Maybe there are no Go files at all. Maybe they are all excluded by build constraints. Maybe there are only test Go files. Be specific. Fixes #17008. Fixes parts of #20760. Change-Id: If6ac82ba0ed437772e76e06763263747d3bc4f65 Reviewed-on: https://go-review.googlesource.com/46427 Run-TryBot: Russ Cox <rsc@golang.org> Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Russ Cox authored
We can't follow symlinks for fear of directory cycles and other problems, but we can at least notice potentially-relevant symlinks that are being ignored and report them. Fixes #17662. Change-Id: I1fce00bd5b80ea8df45dac8b61bfa08076ec5f4b Reviewed-on: https://go-review.googlesource.com/46425 Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Russ Cox authored
We already detect this collision when both imports are used anywhere in a single program. Also detect it when they are in different targets being processed together. Fixes #20264. Change-Id: I5d3c822aae136053fbcb5ed167e1d67f9b847a0f Reviewed-on: https://go-review.googlesource.com/46424 Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Ben Shi authored
"MOVBS.U R0<<0(R1), R2" is assembled to 0xe19120d0 (ldrsb r2, [r1, r0]), but it is expected to be 0xe11120d0 (ldrsb r2, [r1, -r0]). This patch fixes it and adds more encoding tests. fixes #20701 Change-Id: Ic1fb46438d71a978dbef06d97494a70c95fcbf3a Reviewed-on: https://go-review.googlesource.com/45996 Run-TryBot: Cherry Zhang <cherryyz@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Cherry Zhang <cherryyz@google.com>
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Mark Ryan authored
ascii85_test.go contains a variable called bigtest that is used as test data for TestDecoderBuffering and TestEncoderBuffering. The variable is initialised to a copy of the last element of the pairs slice. When the variable was first added the last element of this slice contained a sizable test case, 342 encoded characters. However, https://golang.org/cl/5970078 added a new element to the end of the pairs slice without updating bigtest. As the new element contained only 1 byte of encoded data bigtest became very small test. This commit fixes the problem by resetting bigtest to its original value and making its initialisation independent of the layout of pairs. All the unit tests still pass. Change-Id: If7fb609ced9da93a2321dfd8372986b2fa772fd5 Reviewed-on: https://go-review.googlesource.com/46475Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org>
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Kevin Burke authored
Updates #20759. Change-Id: Ic61dcb6d101ad1491dca535aebb6ee8ee740d013 Reviewed-on: https://go-review.googlesource.com/46468Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org>
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Qiuxuan Zhu authored
Fixes #20383 Change-Id: I11234393c3beb669f87976a4f0b424bec7372b82 Reviewed-on: https://go-review.googlesource.com/46434Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org>
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Russ Cox authored
Avoids confusing errors from the GNU assembler processing Go assembly source code. Fixes #19448. Change-Id: Ic2c68b2521847cca5a3d078a092e5c60ec340840 Reviewed-on: https://go-review.googlesource.com/46423 Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Russ Cox authored
The current behavior is to filter out the non-main packages silently, which is confusing if there are only non-main packages. Instead, report an error unless it's used with a single main package. To be clear, I don't really know what I'm doing. It might be that multiple main packages are allowed, or even that we do want the filtering, but all.bash passes with this change, so I am taking that as a sign that we don't need that extra flexibility. Fixes #15082. Change-Id: I984d0f444a01c0ee0c3cd6646a75527ea99a9ebe Reviewed-on: https://go-review.googlesource.com/46421 Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Robert Griesemer authored
Fixes #18643. Change-Id: I36dca943d552a178a71094ff883b0319fe03d130 Reviewed-on: https://go-review.googlesource.com/46467 Run-TryBot: Robert Griesemer <gri@golang.org> Reviewed-by:
Matthew Dempsky <mdempsky@google.com>
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Mikio Hara authored
Fixes #19344. Change-Id: Ic6fc7485cb50bfae99fda69d0cd9c4ae434af4c3 Reviewed-on: https://go-review.googlesource.com/44910Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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- 22 Jun, 2017 13 commits
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Robert Griesemer authored
Fixes #20749. Change-Id: Ic6a7edc858575c4cb8b2e2ca97ee0c4b69f22c27 Reviewed-on: https://go-review.googlesource.com/46466 Run-TryBot: Robert Griesemer <gri@golang.org> Reviewed-by:
Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Mikio Hara authored
This change simplifies the documentation on methods of UnixConn. Change-Id: Ibd89f9172b28adfcf7fdd43b3bc196ae7f8302cf Reviewed-on: https://go-review.googlesource.com/44913 Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Mikio Hara authored
This change simplifies the documentation on methods of IPConn and adds a reference to golang.org/x/net/ipv{4,6} packages to the documentation on {Read,Write}MsgIP methods. Change-Id: Ie07a853288940e0fef6a417ffc8d0c3d444c21cd Reviewed-on: https://go-review.googlesource.com/44911 Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Mikio Hara authored
This change simplifies the documentation on methods of UDPConn and adds a reference to golang.org/x/net/{ipv4,ipv6} packages to the documentation on {Read,Write}MsgUDP methods. Change-Id: I425a8d81bc46b6579aa9f89faa4982bb86b40f24 Reviewed-on: https://go-review.googlesource.com/44912 Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Russ Cox authored
This makes custom import path checks work even when the custom import metadata directs checking out a subtree of the subversion repository. (Git and Mercurial allow no such thing, so they are unaffected.) Fixes #20731. Change-Id: I635f3a2037d69a87c6dac7b08b0a0d8266abd250 Reviewed-on: https://go-review.googlesource.com/46417 Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Mikio Hara authored
This change adds a reference to the Dial to clarify the parameters and return values. Change-Id: I611b9a79f4033ef035acd7098aea5965905d9a4c Reviewed-on: https://go-review.googlesource.com/34880Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Mikio Hara authored
This change clarifies the documentation on Resolve{TCP,UDP,IP,Unix}Addr to avoid unnecessary confusion about how the arguments are used to make end point addresses. Also replaces "name" or "hostname" with "host name" when the term implies the use of DNS. Updates #17613. Change-Id: Id6be87fe2e4666eecd5b92f18ad8b9a6c50a2bd6 Reviewed-on: https://go-review.googlesource.com/34879Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Mikio Hara authored
This change clarifies the documentation on Listen{TCP,UDP,MulticastUDP,IP,Unix,Unixgram} to avoid unnecessary confusion about how the arguments for the connection setup functions are used to make connections. Change-Id: Ie269453ef49ec2db893391dc3ed2f7b641c14249 Reviewed-on: https://go-review.googlesource.com/34878Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Mikio Hara authored
This change clarifies the documentation on Dial{TCP,UDP,IP,Unix} to avoid unnecessary confusion about how the arguments for the connection setup functions are used to make connections. Change-Id: I2e378182948fbe221f6ae786ab55e77ae90c3f3b Reviewed-on: https://go-review.googlesource.com/34877Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Mikio Hara authored
This change clarifies the documentation on Listen and ListenPacket to avoid unnecessary confusion about how the arguments for the connection setup functions are used to make connections. Also replaces "name" or "hostname" with "host name" when the term implies the use of DNS. Updates #17613. Updates #17614. Updates #17615. Fixes #17616. Updates #17738. Updates #17956. Change-Id: I0bad2e143207666f2358d397fc076548ee6c3ae9 Reviewed-on: https://go-review.googlesource.com/34876Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Mikio Hara authored
This change clarifies the documentation on Dial and its variants to avoid unnecessary confusion about how the arguments for the connection setup functions are used to make connections. Also replaces "name" or "hostname" with "host name" when the term implies the use of DNS. Updates #17613. Fixes #17614. Fixes #17738. Fixes #17956. Updates #18806. Change-Id: I6adb3f2ae04a3bf83b96016ed73d8e59926f3e8a Reviewed-on: https://go-review.googlesource.com/34875Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Michael Hendricks authored
On OpenBSD, Executable relies on Args[0]. Removing the forgery on that OS allows the rest of the test to run. See #19453 Change-Id: Idf99f86894de5c702893791bc3684f8665f4019d Reviewed-on: https://go-review.googlesource.com/46398Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Robert Griesemer authored
Not a fix but useful for further debugging, and safe. For #18643. Change-Id: I5fb4f4a8662007a26e945fff3986347855f00eab Reviewed-on: https://go-review.googlesource.com/46393 Run-TryBot: Robert Griesemer <gri@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Matthew Dempsky <mdempsky@google.com>
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- 21 Jun, 2017 6 commits
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Robert Griesemer authored
Fixes #18593. Change-Id: Ibe33ad9b536fee909120b3654b9d831e469eb285 Reviewed-on: https://go-review.googlesource.com/46370Reviewed-by:
Matthew Dempsky <mdempsky@google.com>
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David Chase authored
Loops of the form "for i,e := range" needed to have their condition rotated to the "bottom" for the preemptible loops GOEXPERIMENT, but this caused a performance regression because it degraded bounds check removal. For now, make the loop rotation/guarding conditional on the experiment. Fixes #20711. Updates #10958. Change-Id: Icfba14cb3b13a910c349df8f84838cf4d9d20cf6 Reviewed-on: https://go-review.googlesource.com/46410 Run-TryBot: David Chase <drchase@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Keith Randall <khr@golang.org>
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Hiroshi Ioka authored
Change-Id: I6265ac81e5c38b201e14ddba2d6b9f0e73d8445c Reviewed-on: https://go-review.googlesource.com/46310Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org>
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Alberto Donizetti authored
Change-Id: Ief076151739147378f8ca35cd09aabb59c3c9a52 Reviewed-on: https://go-review.googlesource.com/46350Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org>
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Michael Hendricks authored
Executable on OpenBSD now uses Args[0] so procfs is no longer required. Change-Id: I4155ac76f8909499783e876e92ee4f13a35b47dd Reviewed-on: https://go-review.googlesource.com/46211Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org>
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Mikio Hara authored
Change-Id: I2d0439a9f068e726173afafe2ef1f5d62b7feb4d Reviewed-on: https://go-review.googlesource.com/46190 Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org>
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- 20 Jun, 2017 2 commits
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John R. Lenton authored
Linux's execve has (at the time of writing, and since v2.6.30) a bug when it ran concurrently with clone, in that it would fail to set up some datastructures if the thread count before and after some steps differed. This is described better and in more detail by Colin King in Launchpad¹ and kernel² bugs. When a program written in Go runtime.Exec's a setuid binary, this issue may cause the resulting process to not have the expected uid. This patch works around the issue by using a mutex to serialize exec and clone. 1. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1672819 2. https://bugzilla.kernel.org/show_bug.cgi?id=195453 Fixes #19546 Change-Id: I126e87d1d9ce3be5ea4ec9c7ffe13f92e087903d Reviewed-on: https://go-review.googlesource.com/43713Reviewed-by:
Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Brad Fitzpatrick authored
Fixes #19285 Change-Id: I11e864eff9980dec8247c47e4c600f76602e7ada Reviewed-on: https://go-review.googlesource.com/46092Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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