github.com/Aayushi-Bansal/sys@v0.0.0-20180118120756-90d962a959d8/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 25 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) { 26 ts := Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000} 27 return Pselect(nfd, r, w, e, &ts, nil) 28 } 29 30 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) 31 //sys Setfsgid(gid int) (err error) 32 //sys Setfsuid(uid int) (err error) 33 //sysnb Setregid(rgid int, egid int) (err error) 34 //sysnb Setresgid(rgid int, egid int, sgid int) (err error) 35 //sysnb Setresuid(ruid int, euid int, suid int) (err error) 36 //sysnb Setrlimit(resource int, rlim *Rlimit) (err error) 37 //sysnb Setreuid(ruid int, euid int) (err error) 38 //sys Shutdown(fd int, how int) (err error) 39 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) 40 41 func Stat(path string, stat *Stat_t) (err error) { 42 return Fstatat(AT_FDCWD, path, stat, 0) 43 } 44 45 func Lchown(path string, uid int, gid int) (err error) { 46 return Fchownat(AT_FDCWD, path, uid, gid, AT_SYMLINK_NOFOLLOW) 47 } 48 49 func Lstat(path string, stat *Stat_t) (err error) { 50 return Fstatat(AT_FDCWD, path, stat, AT_SYMLINK_NOFOLLOW) 51 } 52 53 //sys Statfs(path string, buf *Statfs_t) (err error) 54 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) 55 //sys Truncate(path string, length int64) (err error) 56 //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) 57 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) 58 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 59 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 60 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) 61 //sysnb setgroups(n int, list *_Gid_t) (err error) 62 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) 63 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) 64 //sysnb socket(domain int, typ int, proto int) (fd int, err error) 65 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) 66 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 67 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 68 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) 69 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) 70 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) 71 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) 72 //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) 73 74 //sysnb Gettimeofday(tv *Timeval) (err error) 75 76 func setTimespec(sec, nsec int64) Timespec { 77 return Timespec{Sec: sec, Nsec: nsec} 78 } 79 80 func setTimeval(sec, usec int64) Timeval { 81 return Timeval{Sec: sec, Usec: usec} 82 } 83 84 func Time(t *Time_t) (Time_t, error) { 85 var tv Timeval 86 err := Gettimeofday(&tv) 87 if err != nil { 88 return 0, err 89 } 90 if t != nil { 91 *t = Time_t(tv.Sec) 92 } 93 return Time_t(tv.Sec), nil 94 } 95 96 func Utime(path string, buf *Utimbuf) error { 97 tv := []Timeval{ 98 {Sec: buf.Actime}, 99 {Sec: buf.Modtime}, 100 } 101 return Utimes(path, tv) 102 } 103 104 func Pipe(p []int) (err error) { 105 if len(p) != 2 { 106 return EINVAL 107 } 108 var pp [2]_C_int 109 err = pipe2(&pp, 0) 110 p[0] = int(pp[0]) 111 p[1] = int(pp[1]) 112 return 113 } 114 115 //sysnb pipe2(p *[2]_C_int, flags int) (err error) 116 117 func Pipe2(p []int, flags int) (err error) { 118 if len(p) != 2 { 119 return EINVAL 120 } 121 var pp [2]_C_int 122 err = pipe2(&pp, flags) 123 p[0] = int(pp[0]) 124 p[1] = int(pp[1]) 125 return 126 } 127 128 func (r *PtraceRegs) PC() uint64 { return r.Pc } 129 130 func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc } 131 132 func (iov *Iovec) SetLen(length int) { 133 iov.Len = uint64(length) 134 } 135 136 func (msghdr *Msghdr) SetControllen(length int) { 137 msghdr.Controllen = uint64(length) 138 } 139 140 func (cmsg *Cmsghdr) SetLen(length int) { 141 cmsg.Len = uint64(length) 142 } 143 144 func InotifyInit() (fd int, err error) { 145 return InotifyInit1(0) 146 } 147 148 func Dup2(oldfd int, newfd int) (err error) { 149 return Dup3(oldfd, newfd, 0) 150 } 151 152 func Pause() (err error) { 153 _, _, e1 := Syscall6(SYS_PPOLL, 0, 0, 0, 0, 0, 0) 154 if e1 != 0 { 155 err = errnoErr(e1) 156 } 157 return 158 } 159 160 // TODO(dfc): constants that should be in zsysnum_linux_arm64.go, remove 161 // these when the deprecated syscalls that the syscall package relies on 162 // are removed. 163 const ( 164 SYS_GETPGRP = 1060 165 SYS_UTIMES = 1037 166 SYS_FUTIMESAT = 1066 167 SYS_PAUSE = 1061 168 SYS_USTAT = 1070 169 SYS_UTIME = 1063 170 SYS_LCHOWN = 1032 171 SYS_TIME = 1062 172 SYS_EPOLL_CREATE = 1042 173 SYS_EPOLL_WAIT = 1069 174 ) 175 176 func Poll(fds []PollFd, timeout int) (n int, err error) { 177 var ts *Timespec 178 if timeout >= 0 { 179 ts = new(Timespec) 180 *ts = NsecToTimespec(int64(timeout) * 1e6) 181 } 182 if len(fds) == 0 { 183 return ppoll(nil, 0, ts, nil) 184 } 185 return ppoll(&fds[0], len(fds), ts, nil) 186 }