golang.org/x/sys@v0.9.0/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  //go:build aix && ppc64
     6  // +build aix,ppc64
     7  
     8  package unix
     9  
    10  //sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
    11  //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = lseek
    12  
    13  //sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) = mmap64
    14  
    15  func setTimespec(sec, nsec int64) Timespec {
    16  	return Timespec{Sec: sec, Nsec: nsec}
    17  }
    18  
    19  func setTimeval(sec, usec int64) Timeval {
    20  	return Timeval{Sec: int64(sec), Usec: int32(usec)}
    21  }
    22  
    23  func (iov *Iovec) SetLen(length int) {
    24  	iov.Len = uint64(length)
    25  }
    26  
    27  func (msghdr *Msghdr) SetControllen(length int) {
    28  	msghdr.Controllen = uint32(length)
    29  }
    30  
    31  func (msghdr *Msghdr) SetIovlen(length int) {
    32  	msghdr.Iovlen = int32(length)
    33  }
    34  
    35  func (cmsg *Cmsghdr) SetLen(length int) {
    36  	cmsg.Len = uint32(length)
    37  }
    38  
    39  // In order to only have Timespec structure, type of Stat_t's fields
    40  // Atim, Mtim and Ctim is changed from StTimespec to Timespec during
    41  // ztypes generation.
    42  // On ppc64, Timespec.Nsec is an int64 while StTimespec.Nsec is an
    43  // int32, so the fields' value must be modified.
    44  func fixStatTimFields(stat *Stat_t) {
    45  	stat.Atim.Nsec >>= 32
    46  	stat.Mtim.Nsec >>= 32
    47  	stat.Ctim.Nsec >>= 32
    48  }
    49  
    50  func Fstat(fd int, stat *Stat_t) error {
    51  	err := fstat(fd, stat)
    52  	if err != nil {
    53  		return err
    54  	}
    55  	fixStatTimFields(stat)
    56  	return nil
    57  }
    58  
    59  func Fstatat(dirfd int, path string, stat *Stat_t, flags int) error {
    60  	err := fstatat(dirfd, path, stat, flags)
    61  	if err != nil {
    62  		return err
    63  	}
    64  	fixStatTimFields(stat)
    65  	return nil
    66  }
    67  
    68  func Lstat(path string, stat *Stat_t) error {
    69  	err := lstat(path, stat)
    70  	if err != nil {
    71  		return err
    72  	}
    73  	fixStatTimFields(stat)
    74  	return nil
    75  }
    76  
    77  func Stat(path string, statptr *Stat_t) error {
    78  	err := stat(path, statptr)
    79  	if err != nil {
    80  		return err
    81  	}
    82  	fixStatTimFields(statptr)
    83  	return nil
    84  }