github.com/Andyfoo/golang/x/sys@v0.0.0-20190901054642-57c1bf301704/unix/syscall_aix_ppc64.go (about)

     1  // Copyright 2018 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // +build aix
     6  // +build ppc64
     7  
     8  package unix
     9  
    10  //sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
    11  //sysnb	Setrlimit(resource int, rlim *Rlimit) (err error)
    12  //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = lseek
    13  
    14  //sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) = mmap64
    15  
    16  func setTimespec(sec, nsec int64) Timespec {
    17  	return Timespec{Sec: sec, Nsec: nsec}
    18  }
    19  
    20  func setTimeval(sec, usec int64) Timeval {
    21  	return Timeval{Sec: int64(sec), Usec: int32(usec)}
    22  }
    23  
    24  func (iov *Iovec) SetLen(length int) {
    25  	iov.Len = uint64(length)
    26  }
    27  
    28  func (msghdr *Msghdr) SetControllen(length int) {
    29  	msghdr.Controllen = uint32(length)
    30  }
    31  
    32  func (cmsg *Cmsghdr) SetLen(length int) {
    33  	cmsg.Len = uint32(length)
    34  }
    35  
    36  // In order to only have Timespec structure, type of Stat_t's fields
    37  // Atim, Mtim and Ctim is changed from StTimespec to Timespec during
    38  // ztypes generation.
    39  // On ppc64, Timespec.Nsec is an int64 while StTimespec.Nsec is an
    40  // int32, so the fields' value must be modified.
    41  func fixStatTimFields(stat *Stat_t) {
    42  	stat.Atim.Nsec >>= 32
    43  	stat.Mtim.Nsec >>= 32
    44  	stat.Ctim.Nsec >>= 32
    45  }
    46  
    47  func Fstat(fd int, stat *Stat_t) error {
    48  	err := fstat(fd, stat)
    49  	if err != nil {
    50  		return err
    51  	}
    52  	fixStatTimFields(stat)
    53  	return nil
    54  }
    55  
    56  func Fstatat(dirfd int, path string, stat *Stat_t, flags int) error {
    57  	err := fstatat(dirfd, path, stat, flags)
    58  	if err != nil {
    59  		return err
    60  	}
    61  	fixStatTimFields(stat)
    62  	return nil
    63  }
    64  
    65  func Lstat(path string, stat *Stat_t) error {
    66  	err := lstat(path, stat)
    67  	if err != nil {
    68  		return err
    69  	}
    70  	fixStatTimFields(stat)
    71  	return nil
    72  }
    73  
    74  func Stat(path string, statptr *Stat_t) error {
    75  	err := stat(path, statptr)
    76  	if err != nil {
    77  		return err
    78  	}
    79  	fixStatTimFields(statptr)
    80  	return nil
    81  }