1 // Copyright 2016 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.
15 func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
17 //sys Dup2(oldfd int, newfd int) (err error)
18 //sys Fchown(fd int, uid int, gid int) (err error)
19 //sys Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64
20 //sysnb Getegid() (egid int)
21 //sysnb Geteuid() (euid int)
22 //sysnb Getgid() (gid int)
23 //sysnb Getuid() (uid int)
24 //sys Lchown(path string, uid int, gid int) (err error)
25 //sys Listen(s int, n int) (err error)
26 //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
27 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
28 //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
29 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
30 //sys Setfsgid(gid int) (err error)
31 //sys Setfsuid(uid int) (err error)
32 //sysnb Setregid(rgid int, egid int) (err error)
33 //sysnb Setresgid(rgid int, egid int, sgid int) (err error)
34 //sysnb Setresuid(ruid int, euid int, suid int) (err error)
36 //sysnb Setreuid(ruid int, euid int) (err error)
37 //sys Shutdown(fd int, how int) (err error)
38 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
40 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error)
41 //sys Truncate(path string, length int64) (err error) = SYS_TRUNCATE64
42 //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
43 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
44 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
45 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
46 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error)
47 //sysnb setgroups(n int, list *_Gid_t) (err error)
48 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
49 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
50 //sysnb socket(domain int, typ int, proto int) (fd int, err error)
51 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
52 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
53 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
54 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
55 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
56 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
57 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
59 //sysnb InotifyInit() (fd int, err error)
60 //sys Ioperm(from int, num int, on int) (err error)
61 //sys Iopl(level int) (err error)
63 //sysnb Gettimeofday(tv *Timeval) (err error)
64 //sysnb Time(t *Time_t) (tt Time_t, err error)
66 //sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
67 //sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
68 //sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
70 //sys Utime(path string, buf *Utimbuf) (err error)
71 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
72 //sys Pause() (err error)
74 func Fstatfs(fd int, buf *Statfs_t) (err error) {
75 _, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf)))
82 func Statfs(path string, buf *Statfs_t) (err error) {
83 p, err := BytePtrFromString(path)
87 _, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(p)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf)))
94 func Seek(fd int, offset int64, whence int) (off int64, err error) {
95 _, _, e := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offset>>32), uintptr(offset), uintptr(unsafe.Pointer(&off)), uintptr(whence), 0)
102 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
104 func NsecToTimespec(nsec int64) (ts Timespec) {
105 ts.Sec = int32(nsec / 1e9)
106 ts.Nsec = int32(nsec % 1e9)
110 func NsecToTimeval(nsec int64) (tv Timeval) {
111 nsec += 999 // round up to microsecond
112 tv.Sec = int32(nsec / 1e9)
113 tv.Usec = int32(nsec % 1e9 / 1e3)
117 //sysnb pipe2(p *[2]_C_int, flags int) (err error)
119 func Pipe2(p []int, flags int) (err error) {
124 err = pipe2(&pp, flags)
130 func Pipe(p []int) (err error) {
141 //sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error)
143 func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) {
144 page := uintptr(offset / 4096)
145 if offset != int64(page)*4096 {
148 return mmap2(addr, length, prot, flags, fd, page)
151 const rlimInf32 = ^uint32(0)
152 const rlimInf64 = ^uint64(0)
154 type rlimit32 struct {
159 //sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_GETRLIMIT
161 func Getrlimit(resource int, rlim *Rlimit) (err error) {
162 err = prlimit(0, resource, nil, rlim)
168 err = getrlimit(resource, &rl)
173 if rl.Cur == rlimInf32 {
176 rlim.Cur = uint64(rl.Cur)
179 if rl.Max == rlimInf32 {
182 rlim.Max = uint64(rl.Max)
187 //sysnb setrlimit(resource int, rlim *rlimit32) (err error) = SYS_SETRLIMIT
189 func Setrlimit(resource int, rlim *Rlimit) (err error) {
190 err = prlimit(0, resource, rlim, nil)
196 if rlim.Cur == rlimInf64 {
198 } else if rlim.Cur < uint64(rlimInf32) {
199 rl.Cur = uint32(rlim.Cur)
203 if rlim.Max == rlimInf64 {
205 } else if rlim.Max < uint64(rlimInf32) {
206 rl.Max = uint32(rlim.Max)
211 return setrlimit(resource, &rl)
214 func (r *PtraceRegs) PC() uint64 { return r.Epc }
216 func (r *PtraceRegs) SetPC(pc uint64) { r.Epc = pc }
218 func (iov *Iovec) SetLen(length int) {
219 iov.Len = uint32(length)
222 func (msghdr *Msghdr) SetControllen(length int) {
223 msghdr.Controllen = uint32(length)
226 func (cmsg *Cmsghdr) SetLen(length int) {
227 cmsg.Len = uint32(length)
230 //sys poll(fds *PollFd, nfds int, timeout int) (n int, err error)
232 func Poll(fds []PollFd, timeout int) (n int, err error) {
234 return poll(nil, 0, timeout)
236 return poll(&fds[0], len(fds), timeout)
239 func Getpagesize() int { return 4096 }