github.com/fletavendor/sys@v0.0.0-20181107165924-66b7b1311ac8/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 //sys Ioperm(from int, num int, on int) (err error) 25 //sys Iopl(level int) (err error) 26 //sys Lchown(path string, uid int, gid int) (err error) 27 //sys Listen(s int, n int) (err error) 28 //sys Lstat(path string, stat *Stat_t) (err error) 29 //sys Pause() (err error) 30 //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 31 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 32 //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK 33 34 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) { 35 var ts *Timespec 36 if timeout != nil { 37 ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000} 38 } 39 return Pselect(nfd, r, w, e, ts, nil) 40 } 41 42 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) 43 //sys Setfsgid(gid int) (err error) 44 //sys Setfsuid(uid int) (err error) 45 //sysnb Setregid(rgid int, egid int) (err error) 46 //sysnb Setresgid(rgid int, egid int, sgid int) (err error) 47 //sysnb Setresuid(ruid int, euid int, suid int) (err error) 48 //sysnb Setrlimit(resource int, rlim *Rlimit) (err error) 49 //sysnb Setreuid(ruid int, euid int) (err error) 50 //sys Shutdown(fd int, how int) (err error) 51 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) 52 53 func Stat(path string, stat *Stat_t) (err error) { 54 // Use fstatat, because Android's seccomp policy blocks stat. 55 return Fstatat(AT_FDCWD, path, stat, 0) 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 //sys Ustat(dev int, ubuf *Ustat_t) (err error) 62 //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) 63 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) 64 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 65 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 66 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) 67 //sysnb setgroups(n int, list *_Gid_t) (err error) 68 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) 69 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) 70 //sysnb socket(domain int, typ int, proto int) (fd int, err error) 71 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) 72 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 73 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 74 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) 75 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) 76 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) 77 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) 78 //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) 79 80 //sys futimesat(dirfd int, path string, times *[2]Timeval) (err error) 81 82 func Gettimeofday(tv *Timeval) (err error) { 83 errno := gettimeofday(tv) 84 if errno != 0 { 85 return errno 86 } 87 return nil 88 } 89 90 func Time(t *Time_t) (tt Time_t, err error) { 91 var tv Timeval 92 errno := gettimeofday(&tv) 93 if errno != 0 { 94 return 0, errno 95 } 96 if t != nil { 97 *t = Time_t(tv.Sec) 98 } 99 return Time_t(tv.Sec), nil 100 } 101 102 //sys Utime(path string, buf *Utimbuf) (err error) 103 //sys utimes(path string, times *[2]Timeval) (err error) 104 105 func setTimespec(sec, nsec int64) Timespec { 106 return Timespec{Sec: sec, Nsec: nsec} 107 } 108 109 func setTimeval(sec, usec int64) Timeval { 110 return Timeval{Sec: sec, Usec: usec} 111 } 112 113 //sysnb pipe(p *[2]_C_int) (err error) 114 115 func Pipe(p []int) (err error) { 116 if len(p) != 2 { 117 return EINVAL 118 } 119 var pp [2]_C_int 120 err = pipe(&pp) 121 p[0] = int(pp[0]) 122 p[1] = int(pp[1]) 123 return 124 } 125 126 //sysnb pipe2(p *[2]_C_int, flags int) (err error) 127 128 func Pipe2(p []int, flags int) (err error) { 129 if len(p) != 2 { 130 return EINVAL 131 } 132 var pp [2]_C_int 133 err = pipe2(&pp, flags) 134 p[0] = int(pp[0]) 135 p[1] = int(pp[1]) 136 return 137 } 138 139 func (r *PtraceRegs) PC() uint64 { return r.Rip } 140 141 func (r *PtraceRegs) SetPC(pc uint64) { r.Rip = pc } 142 143 func (iov *Iovec) SetLen(length int) { 144 iov.Len = uint64(length) 145 } 146 147 func (msghdr *Msghdr) SetControllen(length int) { 148 msghdr.Controllen = uint64(length) 149 } 150 151 func (cmsg *Cmsghdr) SetLen(length int) { 152 cmsg.Len = uint64(length) 153 } 154 155 //sys poll(fds *PollFd, nfds int, timeout int) (n int, err error) 156 157 func Poll(fds []PollFd, timeout int) (n int, err error) { 158 if len(fds) == 0 { 159 return poll(nil, 0, timeout) 160 } 161 return poll(&fds[0], len(fds), timeout) 162 } 163 164 //sys kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error) 165 166 func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error { 167 cmdlineLen := len(cmdline) 168 if cmdlineLen > 0 { 169 // Account for the additional NULL byte added by 170 // BytePtrFromString in kexecFileLoad. The kexec_file_load 171 // syscall expects a NULL-terminated string. 172 cmdlineLen++ 173 } 174 return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags) 175 }