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ad400b1274
On AIX, Stat_t's fields dealing with time are of type StTimespec while all other GOOS are using Timespec. StTimespec and Timespec are the same on ppc but not in ppc64. Therefore, values returned by ppc64 syscalls need to be adjusted in order to allow the use of Timespec instead of StTimespec. Fixes golang/go#32073 Change-Id: I0c212bf1741a27c49e995bf928d4941b6d583e54 Reviewed-on: https://go-review.googlesource.com/c/sys/+/177838 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
82 lines
1.9 KiB
Go
82 lines
1.9 KiB
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build aix
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// +build ppc64
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package unix
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//sysnb Getrlimit(resource int, rlim *Rlimit) (err error)
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//sysnb Setrlimit(resource int, rlim *Rlimit) (err error)
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//sys Seek(fd int, offset int64, whence int) (off int64, err error) = lseek
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//sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) = mmap64
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func setTimespec(sec, nsec int64) Timespec {
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return Timespec{Sec: sec, Nsec: nsec}
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}
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func setTimeval(sec, usec int64) Timeval {
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return Timeval{Sec: int64(sec), Usec: int32(usec)}
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}
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func (iov *Iovec) SetLen(length int) {
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iov.Len = uint64(length)
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}
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func (msghdr *Msghdr) SetControllen(length int) {
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msghdr.Controllen = uint32(length)
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}
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func (cmsg *Cmsghdr) SetLen(length int) {
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cmsg.Len = uint32(length)
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}
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// In order to only have Timespec structure, type of Stat_t's fields
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// Atim, Mtim and Ctim is changed from StTimespec to Timespec during
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// ztypes generation.
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// On ppc64, Timespec.Nsec is an int64 while StTimespec.Nsec is an
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// int32, so the fields' value must be modified.
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func fixStatTimFields(stat *Stat_t) {
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stat.Atim.Nsec >>= 32
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stat.Mtim.Nsec >>= 32
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stat.Ctim.Nsec >>= 32
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}
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func Fstat(fd int, stat *Stat_t) error {
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err := fstat(fd, stat)
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if err != nil {
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return err
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}
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fixStatTimFields(stat)
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return nil
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}
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func Fstatat(dirfd int, path string, stat *Stat_t, flags int) error {
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err := fstatat(dirfd, path, stat, flags)
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if err != nil {
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return err
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}
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fixStatTimFields(stat)
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return nil
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}
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func Lstat(path string, stat *Stat_t) error {
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err := lstat(path, stat)
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if err != nil {
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return err
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}
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fixStatTimFields(stat)
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return nil
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}
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func Stat(path string, statptr *Stat_t) error {
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err := stat(path, statptr)
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if err != nil {
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return err
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}
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fixStatTimFields(statptr)
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return nil
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}
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