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  1. 15 May, 2016 1 commit
  3. 13 May, 2016 1 commit
    • Michael Munday's avatar
      unix: add s390x support · 33267e03
      Michael Munday authored 
      This commit adds linux/s390x support to the unix package. It is
based on the changes made to the syscall package in
https://golang.org/cl/20961/. It also adds mkpost.go which is
used to cleanup the API generated by cgo -godefs.

The biggest departure that is made with the syscall package is
the use of the -fsigned-char flag to force signed chars. We
couldn't do this in the syscall package because of the need to
maintain compatibility with the gccgo implementation of the syscall
package (gccgo has supported s390x for a longer time than the Go
toolchain). The unix package does not have this constraint.

Using the -fsigned-char flag makes the API look more like the one
generated on amd64 and arm64 and also more consistent with itself
(the syscall package represents chars using both int8 and uint8
types, the sys package will only ever use int8). Unfortunately it
also means that applications transitioning from the syscall package
to the unix package will see a different API on s390x which might
be confusing. I think the tradeoff is worth it though.

Change-Id: I40b90c18ed787e74ba7a2ebd004bd6bd1ba6279a
Reviewed-on: https://go-review.googlesource.com/23045Reviewed-by: 's avatarIan Lance Taylor <iant@golang.org>
      33267e03
  5. 12 May, 2016 1 commit
  7. 11 May, 2016 1 commit
  9. 29 Apr, 2016 1 commit
  11. 27 Apr, 2016 1 commit
  13. 15 Apr, 2016 1 commit
    • Riku Voipio's avatar
      unix: fix Pause on linux-arm64 · f64b50fb
      Riku Voipio authored 
      Pause is a legacy syscall not available on linux-arm64. Use ppoll with
all args as 0 to emulate - this is the way musl libc does Pause when the
pause syscall isn't available.

With the changes in syscall_linux* and regenerating zsyscall_linux*,
this calling Pause on linux-arm64 works and returns EINTR as expected.

Change-Id: I88236290313f18c742d826e759e86ff260a8b383
Reviewed-on: https://go-review.googlesource.com/22014Reviewed-by: 's avatarBrad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
      f64b50fb
  15. 13 Apr, 2016 1 commit
  17. 09 Apr, 2016 1 commit
  19. 08 Apr, 2016 3 commits
  21. 06 Apr, 2016 1 commit
  23. 05 Apr, 2016 1 commit
  25. 02 Apr, 2016 2 commits
  27. 25 Mar, 2016 1 commit
  29. 22 Mar, 2016 2 commits
  31. 15 Mar, 2016 1 commit
  33. 03 Mar, 2016 1 commit
  35. 29 Feb, 2016 1 commit
    • Benoit Sigoure's avatar
      x/sys/unix: Add support for the setns system call. · 54535356
      Benoit Sigoure authored 
      This system call is used to reassociate the current thread with a Linux
namespace (e.g. a network namespace or a mount namespace).  This system
call is key to interacting with the primitives enabling Linux containers.
The users of this system call will most likely want to wrap their calls
with a pair of LockOSThread / UnlockOSThread calls.  Here is an example
that is a reasonably close approximation of the `ns_exec' program given
as an example in `man 2 setns':

	package main

	import (
		"log"
		"os"
		"os/exec"
		"runtime"

		"golang.org/x/sys/unix"
	)

	func main() {
		if len(os.Args) < 3 {
			log.Fatalf("%s /proc/PID/ns/FILE cmd args...", os.Args[0])
		}
		fd, err := unix.Open(os.Args[1], unix.O_RDONLY, 0)
		if err != nil {
			log.Fatalf("open: %s", err)
		}
		runtime.LockOSThread()
		defer runtime.UnlockOSThread()
		if err = unix.Setns(fd, 0); err != nil {
			log.Fatalf("setns: %s", err)
		}
		cmd := exec.Command(os.Args[2], os.Args[3:]...)
		cmd.Stdin = os.Stdin
		cmd.Stdout = os.Stdout
		cmd.Stderr = os.Stderr
		err = cmd.Run()
		if err != nil {
			log.Fatalf("exec: %s", err)
		}
	}

Fixes golang/go#5968.

Change-Id: I78dc54667cfaef4f9e99a08d48f6e423686f1b22
Reviewed-on: https://go-review.googlesource.com/20054Reviewed-by: 's avatarBrad Fitzpatrick <bradfitz@golang.org>
      54535356
  37. 28 Feb, 2016 2 commits
  39. 22 Feb, 2016 1 commit
  41. 04 Feb, 2016 1 commit
  43. 27 Jan, 2016 1 commit
  45. 21 Jan, 2016 1 commit
  47. 13 Jan, 2016 1 commit
  49. 11 Dec, 2015 1 commit
  51. 24 Nov, 2015 1 commit
    • Nick Patavalis's avatar
      unix: Fix Termios type definition · 2bacc619
      Nick Patavalis authored 
      - types_linux.go: Use the kernel-defined termios structure, *not* the
  LIBC-defined one. The LIBC termios structure cannot be safely used
  to do tty-related ioctls on all architectures (e.g. ppc64,
  ppc64le). The kernel termios structure, and the associated
  macros/constants, are defined in: "asm/termbits.h" which is included
  by "linux/termios.h". The LIBC termios structure is defined in
  "bits/termios.h" which is included by "termios.h". These structures
  are *not* the same.

  For systems that have both "struct termios" and "struct termios2"
  use the latter to define the Termios type. This is ok, since the
  "struct termios2" memory layout is compatible with "struct termios"
  (with a couple of fields added at the end). This way, type Termios
  can be used with both: the "old-style" TCSETS[FW], TCGETS ioctls,
  *and* with the new TCSETS[FW]2, TCGETS2 ioctls. The new ioctls allow
  configuring arbitrary baudrates.

  The new Termios definitions (kernel-compatible) have the same fields
  as the old ones (LIBC-derived) so there should be no user-code
  compatibility issues.

Change-Id: I3c1484c60f45b28e13404765c01616c33063afd5
Reviewed-on: https://go-review.googlesource.com/17185Reviewed-by: 's avatarIan Lance Taylor <iant@golang.org>
Reviewed-by: 's avatarBrad Fitzpatrick <bradfitz@golang.org>
      2bacc619
  53. 23 Nov, 2015 1 commit
  55. 29 Oct, 2015 1 commit
  57. 09 Oct, 2015 1 commit
  59. 08 Oct, 2015 1 commit
  61. 25 Sep, 2015 2 commits
  63. 24 Sep, 2015 1 commit
  65. 17 Sep, 2015 1 commit
    • Shawn Walker-Salas's avatar
      unix: add various missing syscalls available on Linux · 68a71b6b
      Shawn Walker-Salas authored 
      Various syscalls offered by x/sys/unix on Linux are not available on
Solaris and should be, such as Mkfifo, Getwd(), Futimes() and others.
In particular, all of the *at() variants of existing functions were
added where appropriate.

Getgroups() was fixed to use the correct value for its sanity check on
the maximum number of groups.

Utimesnano() was updated to use the native Solaris utimensat function
for setting nanosecond-precision time.

Utimes() was updated to have the same error semantics and checking as
other platforms.

Getgroups(), anysocktoaddr(), and Recvmsg() were fixed to check the
return value before assuming syscall failure instead of relying solely
on errno being set.

mksyscall_solaris.pl needed some updates to better match the output of
the one found in syscall.

mkerrors.sh needed some updates to work out of the box on Solaris,
matching those recently done to the one in syscall.

The signatures (names) of some function parameters were changed to be
consistent with other platforms for the sake of documentation.

Fixes #8609

Change-Id: I9e4e2fee6d3ecfad9f4d845a5702ffde5166e804
Reviewed-on: https://go-review.googlesource.com/14643Reviewed-by: 's avatarAram Hăvărneanu <aram@mgk.ro>
      68a71b6b
  67. 10 Sep, 2015 1 commit