github.com/Kalvelign/golang-windows-sys-lib@v0.0.0-20221121121202-63da651435e1/unix/syscall_linux_arm64.go (about)

     1  // Copyright 2015 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 arm64 && linux
     6  // +build arm64,linux
     7  
     8  package unix
     9  
    10  import "unsafe"
    11  
    12  //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) = SYS_EPOLL_PWAIT
    13  //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
    14  //sys	Fchown(fd int, uid int, gid int) (err error)
    15  //sys	Fstat(fd int, stat *Stat_t) (err error)
    16  //sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
    17  //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
    18  //sys	Ftruncate(fd int, length int64) (err error)
    19  //sysnb	Getegid() (egid int)
    20  //sysnb	Geteuid() (euid int)
    21  //sysnb	Getgid() (gid int)
    22  //sysnb	getrlimit(resource int, rlim *Rlimit) (err error)
    23  //sysnb	Getuid() (uid int)
    24  //sys	Listen(s int, n int) (err error)
    25  //sys	MemfdSecret(flags int) (fd int, err error)
    26  //sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
    27  //sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
    28  //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
    29  //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
    30  
    31  func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
    32  	var ts *Timespec
    33  	if timeout != nil {
    34  		ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000}
    35  	}
    36  	return Pselect(nfd, r, w, e, ts, nil)
    37  }
    38  
    39  //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
    40  //sys	setfsgid(gid int) (prev int, err error)
    41  //sys	setfsuid(uid int) (prev int, err error)
    42  //sysnb	setrlimit(resource int, rlim *Rlimit) (err error)
    43  //sys	Shutdown(fd int, how int) (err error)
    44  //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
    45  
    46  func Stat(path string, stat *Stat_t) (err error) {
    47  	return Fstatat(AT_FDCWD, path, stat, 0)
    48  }
    49  
    50  func Lchown(path string, uid int, gid int) (err error) {
    51  	return Fchownat(AT_FDCWD, path, uid, gid, AT_SYMLINK_NOFOLLOW)
    52  }
    53  
    54  func Lstat(path string, stat *Stat_t) (err error) {
    55  	return Fstatat(AT_FDCWD, path, stat, AT_SYMLINK_NOFOLLOW)
    56  }
    57  
    58  //sys	Statfs(path string, buf *Statfs_t) (err error)
    59  //sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
    60  //sys	Truncate(path string, length int64) (err error)
    61  
    62  func Ustat(dev int, ubuf *Ustat_t) (err error) {
    63  	return ENOSYS
    64  }
    65  
    66  //sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
    67  //sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
    68  //sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
    69  //sysnb	getgroups(n int, list *_Gid_t) (nn int, err error)
    70  //sysnb	setgroups(n int, list *_Gid_t) (err error)
    71  //sys	getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
    72  //sys	setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
    73  //sysnb	socket(domain int, typ int, proto int) (fd int, err error)
    74  //sysnb	socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
    75  //sysnb	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
    76  //sysnb	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
    77  //sys	recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
    78  //sys	sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
    79  //sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
    80  //sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
    81  //sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
    82  
    83  //sysnb	Gettimeofday(tv *Timeval) (err error)
    84  
    85  func setTimespec(sec, nsec int64) Timespec {
    86  	return Timespec{Sec: sec, Nsec: nsec}
    87  }
    88  
    89  func setTimeval(sec, usec int64) Timeval {
    90  	return Timeval{Sec: sec, Usec: usec}
    91  }
    92  
    93  func futimesat(dirfd int, path string, tv *[2]Timeval) (err error) {
    94  	if tv == nil {
    95  		return utimensat(dirfd, path, nil, 0)
    96  	}
    97  
    98  	ts := []Timespec{
    99  		NsecToTimespec(TimevalToNsec(tv[0])),
   100  		NsecToTimespec(TimevalToNsec(tv[1])),
   101  	}
   102  	return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
   103  }
   104  
   105  func Time(t *Time_t) (Time_t, error) {
   106  	var tv Timeval
   107  	err := Gettimeofday(&tv)
   108  	if err != nil {
   109  		return 0, err
   110  	}
   111  	if t != nil {
   112  		*t = Time_t(tv.Sec)
   113  	}
   114  	return Time_t(tv.Sec), nil
   115  }
   116  
   117  func Utime(path string, buf *Utimbuf) error {
   118  	tv := []Timeval{
   119  		{Sec: buf.Actime},
   120  		{Sec: buf.Modtime},
   121  	}
   122  	return Utimes(path, tv)
   123  }
   124  
   125  func utimes(path string, tv *[2]Timeval) (err error) {
   126  	if tv == nil {
   127  		return utimensat(AT_FDCWD, path, nil, 0)
   128  	}
   129  
   130  	ts := []Timespec{
   131  		NsecToTimespec(TimevalToNsec(tv[0])),
   132  		NsecToTimespec(TimevalToNsec(tv[1])),
   133  	}
   134  	return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
   135  }
   136  
   137  // Getrlimit prefers the prlimit64 system call. See issue 38604.
   138  func Getrlimit(resource int, rlim *Rlimit) error {
   139  	err := Prlimit(0, resource, nil, rlim)
   140  	if err != ENOSYS {
   141  		return err
   142  	}
   143  	return getrlimit(resource, rlim)
   144  }
   145  
   146  // Setrlimit prefers the prlimit64 system call. See issue 38604.
   147  func Setrlimit(resource int, rlim *Rlimit) error {
   148  	err := Prlimit(0, resource, rlim, nil)
   149  	if err != ENOSYS {
   150  		return err
   151  	}
   152  	return setrlimit(resource, rlim)
   153  }
   154  
   155  func (r *PtraceRegs) PC() uint64 { return r.Pc }
   156  
   157  func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc }
   158  
   159  func (iov *Iovec) SetLen(length int) {
   160  	iov.Len = uint64(length)
   161  }
   162  
   163  func (msghdr *Msghdr) SetControllen(length int) {
   164  	msghdr.Controllen = uint64(length)
   165  }
   166  
   167  func (msghdr *Msghdr) SetIovlen(length int) {
   168  	msghdr.Iovlen = uint64(length)
   169  }
   170  
   171  func (cmsg *Cmsghdr) SetLen(length int) {
   172  	cmsg.Len = uint64(length)
   173  }
   174  
   175  func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) {
   176  	rsa.Service_name_len = uint64(length)
   177  }
   178  
   179  func Pause() error {
   180  	_, err := ppoll(nil, 0, nil, nil)
   181  	return err
   182  }
   183  
   184  //sys	kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error)
   185  
   186  func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error {
   187  	cmdlineLen := len(cmdline)
   188  	if cmdlineLen > 0 {
   189  		// Account for the additional NULL byte added by
   190  		// BytePtrFromString in kexecFileLoad. The kexec_file_load
   191  		// syscall expects a NULL-terminated string.
   192  		cmdlineLen++
   193  	}
   194  	return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags)
   195  }