github.com/dolotech/hongbao@v0.0.0-20191130105438-fd59d7a5dda5/src/golang.org/x/sys/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 // +build arm64,linux 6 7 package unix 8 9 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) = SYS_EPOLL_PWAIT 10 //sys Fchown(fd int, uid int, gid int) (err error) 11 //sys Fstat(fd int, stat *Stat_t) (err error) 12 //sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) 13 //sys Fstatfs(fd int, buf *Statfs_t) (err error) 14 //sys Ftruncate(fd int, length int64) (err error) 15 //sysnb Getegid() (egid int) 16 //sysnb Geteuid() (euid int) 17 //sysnb Getgid() (gid int) 18 //sysnb Getrlimit(resource int, rlim *Rlimit) (err error) 19 //sysnb Getuid() (uid int) 20 //sys Listen(s int, n int) (err error) 21 //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 22 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 23 //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK 24 //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS_PSELECT6 25 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) 26 //sys Setfsgid(gid int) (err error) 27 //sys Setfsuid(uid int) (err error) 28 //sysnb Setregid(rgid int, egid int) (err error) 29 //sysnb Setresgid(rgid int, egid int, sgid int) (err error) 30 //sysnb Setresuid(ruid int, euid int, suid int) (err error) 31 //sysnb Setrlimit(resource int, rlim *Rlimit) (err error) 32 //sysnb Setreuid(ruid int, euid int) (err error) 33 //sys Shutdown(fd int, how int) (err error) 34 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) 35 36 func Stat(path string, stat *Stat_t) (err error) { 37 return Fstatat(AT_FDCWD, path, stat, 0) 38 } 39 40 func Lchown(path string, uid int, gid int) (err error) { 41 return Fchownat(AT_FDCWD, path, uid, gid, AT_SYMLINK_NOFOLLOW) 42 } 43 44 func Lstat(path string, stat *Stat_t) (err error) { 45 return Fstatat(AT_FDCWD, path, stat, AT_SYMLINK_NOFOLLOW) 46 } 47 48 //sys Statfs(path string, buf *Statfs_t) (err error) 49 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) 50 //sys Truncate(path string, length int64) (err error) 51 //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) 52 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) 53 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 54 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 55 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) 56 //sysnb setgroups(n int, list *_Gid_t) (err error) 57 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) 58 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) 59 //sysnb socket(domain int, typ int, protocol int) (fd int, err error) 60 //sysnb socketpair(domain int, typ int, protocol int, fd *[2]int32) (err error) 61 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 62 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 63 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) 64 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) 65 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) 66 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) 67 //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) 68 69 //sysnb Gettimeofday(tv *Timeval) (err error) 70 71 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } 72 73 func NsecToTimespec(nsec int64) (ts Timespec) { 74 ts.Sec = nsec / 1e9 75 ts.Nsec = nsec % 1e9 76 return 77 } 78 79 func NsecToTimeval(nsec int64) (tv Timeval) { 80 nsec += 999 // round up to microsecond 81 tv.Sec = nsec / 1e9 82 tv.Usec = nsec % 1e9 / 1e3 83 return 84 } 85 86 func Time(t *Time_t) (Time_t, error) { 87 var tv Timeval 88 err := Gettimeofday(&tv) 89 if err != nil { 90 return 0, err 91 } 92 if t != nil { 93 *t = Time_t(tv.Sec) 94 } 95 return Time_t(tv.Sec), nil 96 } 97 98 func Utime(path string, buf *Utimbuf) error { 99 tv := []Timeval{ 100 {Sec: buf.Actime}, 101 {Sec: buf.Modtime}, 102 } 103 return Utimes(path, tv) 104 } 105 106 func Pipe(p []int) (err error) { 107 if len(p) != 2 { 108 return EINVAL 109 } 110 var pp [2]_C_int 111 err = pipe2(&pp, 0) 112 p[0] = int(pp[0]) 113 p[1] = int(pp[1]) 114 return 115 } 116 117 //sysnb pipe2(p *[2]_C_int, flags int) (err error) 118 119 func Pipe2(p []int, flags int) (err error) { 120 if len(p) != 2 { 121 return EINVAL 122 } 123 var pp [2]_C_int 124 err = pipe2(&pp, flags) 125 p[0] = int(pp[0]) 126 p[1] = int(pp[1]) 127 return 128 } 129 130 func (r *PtraceRegs) PC() uint64 { return r.Pc } 131 132 func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc } 133 134 func (iov *Iovec) SetLen(length int) { 135 iov.Len = uint64(length) 136 } 137 138 func (msghdr *Msghdr) SetControllen(length int) { 139 msghdr.Controllen = uint64(length) 140 } 141 142 func (cmsg *Cmsghdr) SetLen(length int) { 143 cmsg.Len = uint64(length) 144 } 145 146 func InotifyInit() (fd int, err error) { 147 return InotifyInit1(0) 148 } 149 150 func Dup2(oldfd int, newfd int) (err error) { 151 return Dup3(oldfd, newfd, 0) 152 } 153 154 func Pause() (err error) { 155 _, _, e1 := Syscall6(SYS_PPOLL, 0, 0, 0, 0, 0, 0) 156 if e1 != 0 { 157 err = errnoErr(e1) 158 } 159 return 160 } 161 162 // TODO(dfc): constants that should be in zsysnum_linux_arm64.go, remove 163 // these when the deprecated syscalls that the syscall package relies on 164 // are removed. 165 const ( 166 SYS_GETPGRP = 1060 167 SYS_UTIMES = 1037 168 SYS_FUTIMESAT = 1066 169 SYS_PAUSE = 1061 170 SYS_USTAT = 1070 171 SYS_UTIME = 1063 172 SYS_LCHOWN = 1032 173 SYS_TIME = 1062 174 SYS_EPOLL_CREATE = 1042 175 SYS_EPOLL_WAIT = 1069 176 ) 177 178 func Poll(fds []PollFd, timeout int) (n int, err error) { 179 var ts *Timespec 180 if timeout >= 0 { 181 ts = new(Timespec) 182 *ts = NsecToTimespec(int64(timeout) * 1e6) 183 } 184 if len(fds) == 0 { 185 return ppoll(nil, 0, ts, nil) 186 } 187 return ppoll(&fds[0], len(fds), ts, nil) 188 }