github.com/gogf/gkafka@v1.0.1-0.20190702070843-033a14468069/third/golang.org/x/sys/unix/syscall_linux_amd64.go (about)

     1  // Copyright 2009 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 amd64,linux
     6  
     7  package unix
     8  
     9  //sys	Dup2(oldfd int, newfd int) (err error)
    10  //sysnb	EpollCreate(size int) (fd int, err error)
    11  //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
    12  //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
    13  //sys	Fchown(fd int, uid int, gid int) (err error)
    14  //sys	Fstat(fd int, stat *Stat_t) (err error)
    15  //sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
    16  //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
    17  //sys	Ftruncate(fd int, length int64) (err error)
    18  //sysnb	Getegid() (egid int)
    19  //sysnb	Geteuid() (euid int)
    20  //sysnb	Getgid() (gid int)
    21  //sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
    22  //sysnb	Getuid() (uid int)
    23  //sysnb	inotifyInit() (fd int, err error)
    24  
    25  func InotifyInit() (fd int, err error) {
    26  	// First try inotify_init1, because Android's seccomp policy blocks the latter.
    27  	fd, err = InotifyInit1(0)
    28  	if err == ENOSYS {
    29  		fd, err = inotifyInit()
    30  	}
    31  	return
    32  }
    33  
    34  //sys	Ioperm(from int, num int, on int) (err error)
    35  //sys	Iopl(level int) (err error)
    36  //sys	Lchown(path string, uid int, gid int) (err error)
    37  //sys	Listen(s int, n int) (err error)
    38  
    39  func Lstat(path string, stat *Stat_t) (err error) {
    40  	return Fstatat(AT_FDCWD, path, stat, AT_SYMLINK_NOFOLLOW)
    41  }
    42  
    43  //sys	Pause() (err error)
    44  //sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
    45  //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
    46  //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
    47  //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
    48  
    49  func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
    50  	var ts *Timespec
    51  	if timeout != nil {
    52  		ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000}
    53  	}
    54  	return Pselect(nfd, r, w, e, ts, nil)
    55  }
    56  
    57  //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
    58  //sys	Setfsgid(gid int) (err error)
    59  //sys	Setfsuid(uid int) (err error)
    60  //sysnb	Setregid(rgid int, egid int) (err error)
    61  //sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
    62  //sysnb	Setresuid(ruid int, euid int, suid int) (err error)
    63  //sysnb	Setrlimit(resource int, rlim *Rlimit) (err error)
    64  //sysnb	Setreuid(ruid int, euid int) (err error)
    65  //sys	Shutdown(fd int, how int) (err error)
    66  //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
    67  
    68  func Stat(path string, stat *Stat_t) (err error) {
    69  	// Use fstatat, because Android's seccomp policy blocks stat.
    70  	return Fstatat(AT_FDCWD, path, stat, 0)
    71  }
    72  
    73  //sys	Statfs(path string, buf *Statfs_t) (err error)
    74  //sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
    75  //sys	Truncate(path string, length int64) (err error)
    76  //sys	Ustat(dev int, ubuf *Ustat_t) (err error)
    77  //sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
    78  //sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
    79  //sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
    80  //sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
    81  //sysnb	getgroups(n int, list *_Gid_t) (nn int, err error)
    82  //sysnb	setgroups(n int, list *_Gid_t) (err error)
    83  //sys	getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
    84  //sys	setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
    85  //sysnb	socket(domain int, typ int, proto int) (fd int, err error)
    86  //sysnb	socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
    87  //sysnb	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
    88  //sysnb	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
    89  //sys	recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
    90  //sys	sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
    91  //sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
    92  //sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
    93  //sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
    94  
    95  //sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)
    96  
    97  func Gettimeofday(tv *Timeval) (err error) {
    98  	errno := gettimeofday(tv)
    99  	if errno != 0 {
   100  		return errno
   101  	}
   102  	return nil
   103  }
   104  
   105  func Time(t *Time_t) (tt Time_t, err error) {
   106  	var tv Timeval
   107  	errno := gettimeofday(&tv)
   108  	if errno != 0 {
   109  		return 0, errno
   110  	}
   111  	if t != nil {
   112  		*t = Time_t(tv.Sec)
   113  	}
   114  	return Time_t(tv.Sec), nil
   115  }
   116  
   117  //sys	Utime(path string, buf *Utimbuf) (err error)
   118  //sys	utimes(path string, times *[2]Timeval) (err error)
   119  
   120  func setTimespec(sec, nsec int64) Timespec {
   121  	return Timespec{Sec: sec, Nsec: nsec}
   122  }
   123  
   124  func setTimeval(sec, usec int64) Timeval {
   125  	return Timeval{Sec: sec, Usec: usec}
   126  }
   127  
   128  //sysnb	pipe(p *[2]_C_int) (err error)
   129  
   130  func Pipe(p []int) (err error) {
   131  	if len(p) != 2 {
   132  		return EINVAL
   133  	}
   134  	var pp [2]_C_int
   135  	err = pipe(&pp)
   136  	p[0] = int(pp[0])
   137  	p[1] = int(pp[1])
   138  	return
   139  }
   140  
   141  //sysnb pipe2(p *[2]_C_int, flags int) (err error)
   142  
   143  func Pipe2(p []int, flags int) (err error) {
   144  	if len(p) != 2 {
   145  		return EINVAL
   146  	}
   147  	var pp [2]_C_int
   148  	err = pipe2(&pp, flags)
   149  	p[0] = int(pp[0])
   150  	p[1] = int(pp[1])
   151  	return
   152  }
   153  
   154  func (r *PtraceRegs) PC() uint64 { return r.Rip }
   155  
   156  func (r *PtraceRegs) SetPC(pc uint64) { r.Rip = pc }
   157  
   158  func (iov *Iovec) SetLen(length int) {
   159  	iov.Len = uint64(length)
   160  }
   161  
   162  func (msghdr *Msghdr) SetControllen(length int) {
   163  	msghdr.Controllen = uint64(length)
   164  }
   165  
   166  func (cmsg *Cmsghdr) SetLen(length int) {
   167  	cmsg.Len = uint64(length)
   168  }
   169  
   170  //sys	poll(fds *PollFd, nfds int, timeout int) (n int, err error)
   171  
   172  func Poll(fds []PollFd, timeout int) (n int, err error) {
   173  	if len(fds) == 0 {
   174  		return poll(nil, 0, timeout)
   175  	}
   176  	return poll(&fds[0], len(fds), timeout)
   177  }
   178  
   179  //sys	kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error)
   180  
   181  func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error {
   182  	cmdlineLen := len(cmdline)
   183  	if cmdlineLen > 0 {
   184  		// Account for the additional NULL byte added by
   185  		// BytePtrFromString in kexecFileLoad. The kexec_file_load
   186  		// syscall expects a NULL-terminated string.
   187  		cmdlineLen++
   188  	}
   189  	return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags)
   190  }