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 package syscall 6 7 const _SYS_dup = SYS_DUP3 8 9 //sys Fchown(fd int, uid int, gid int) (err error) 10 //sys Fstat(fd int, stat *Stat_t) (err error) 11 //sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) 12 //sys Fstatfs(fd int, buf *Statfs_t) (err error) 13 //sys Ftruncate(fd int, length int64) (err error) 14 //sysnb Getegid() (egid int) 15 //sysnb Geteuid() (euid int) 16 //sysnb Getgid() (gid int) 17 //sysnb Getrlimit(resource int, rlim *Rlimit) (err error) 18 //sysnb Getuid() (uid int) 19 //sys Listen(s int, n int) (err error) 20 //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 21 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 22 //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK 23 //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS_PSELECT6 24 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) 25 //sys Setfsgid(gid int) (err error) 26 //sys Setfsuid(uid int) (err error) 27 //sysnb Setregid(rgid int, egid int) (err error) 28 //sysnb Setresgid(rgid int, egid int, sgid int) (err error) 29 //sysnb Setresuid(ruid int, euid int, suid int) (err error) 30 //sysnb Setrlimit(resource int, rlim *Rlimit) (err error) 31 //sysnb Setreuid(ruid int, euid int) (err error) 32 //sys Shutdown(fd int, how int) (err error) 33 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) 34 35 func Stat(path string, stat *Stat_t) (err error) { 36 return Fstatat(_AT_FDCWD, path, stat, 0) 37 } 38 39 func Lchown(path string, uid int, gid int) (err error) { 40 return Fchownat(_AT_FDCWD, path, uid, gid, _AT_SYMLINK_NOFOLLOW) 41 } 42 43 func Lstat(path string, stat *Stat_t) (err error) { 44 return Fstatat(_AT_FDCWD, path, stat, _AT_SYMLINK_NOFOLLOW) 45 } 46 47 //sys Statfs(path string, buf *Statfs_t) (err error) 48 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) = SYS_SYNC_FILE_RANGE2 49 //sys Truncate(path string, length int64) (err error) 50 //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) 51 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) 52 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 53 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 54 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) 55 //sysnb setgroups(n int, list *_Gid_t) (err error) 56 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) 57 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) 58 //sysnb socket(domain int, typ int, proto int) (fd int, err error) 59 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) 60 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 61 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 62 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) 63 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) 64 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) 65 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) 66 //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) 67 68 func Getpagesize() int { return 65536 } 69 70 //sysnb Gettimeofday(tv *Timeval) (err error) 71 //sysnb Time(t *Time_t) (tt Time_t, err error) 72 73 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } 74 75 func NsecToTimespec(nsec int64) (ts Timespec) { 76 ts.Sec = nsec / 1e9 77 ts.Nsec = nsec % 1e9 78 return 79 } 80 81 func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 } 82 83 func NsecToTimeval(nsec int64) (tv Timeval) { 84 nsec += 999 // round up to microsecond 85 tv.Sec = nsec / 1e9 86 tv.Usec = nsec % 1e9 / 1e3 87 return 88 } 89 90 func Pipe(p []int) (err error) { 91 if len(p) != 2 { 92 return EINVAL 93 } 94 var pp [2]_C_int 95 err = pipe2(&pp, 0) 96 p[0] = int(pp[0]) 97 p[1] = int(pp[1]) 98 return 99 } 100 101 //sysnb pipe2(p *[2]_C_int, flags int) (err error) 102 103 func Pipe2(p []int, flags int) (err error) { 104 if len(p) != 2 { 105 return EINVAL 106 } 107 var pp [2]_C_int 108 err = pipe2(&pp, flags) 109 p[0] = int(pp[0]) 110 p[1] = int(pp[1]) 111 return 112 } 113 114 func (r *PtraceRegs) PC() uint64 { return r.Pc } 115 116 func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc } 117 118 func (iov *Iovec) SetLen(length int) { 119 iov.Len = uint64(length) 120 } 121 122 func (msghdr *Msghdr) SetControllen(length int) { 123 msghdr.Controllen = uint64(length) 124 } 125 126 func (cmsg *Cmsghdr) SetLen(length int) { 127 cmsg.Len = uint64(length) 128 } 129 130 func InotifyInit() (fd int, err error) { 131 return InotifyInit1(0) 132 } 133 134 // TODO(dfc): constants that should be in zsysnum_linux_arm64.go, remove 135 // these when the deprecated syscalls that the syscall package relies on 136 // are removed. 137 const ( 138 SYS_GETPGRP = 1060 139 SYS_UTIMES = 1037 140 SYS_FUTIMESAT = 1066 141 SYS_PAUSE = 1061 142 SYS_USTAT = 1070 143 SYS_UTIME = 1063 144 SYS_LCHOWN = 1032 145 SYS_TIME = 1062 146 SYS_EPOLL_CREATE = 1042 147 SYS_EPOLL_WAIT = 1069 148 ) 149