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.
10 _SYS_setgroups = SYS_SETGROUPS
13 _SYS_pidfd_send_signal = 424
17 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) = SYS_EPOLL_PWAIT
18 //sys Fchown(fd int, uid int, gid int) (err error)
19 //sys Fstat(fd int, stat *Stat_t) (err error)
20 //sys fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error)
22 func Fstatat(fd int, path string, stat *Stat_t, flags int) error {
23 return fstatat(fd, path, stat, flags)
26 //sys Fstatfs(fd int, buf *Statfs_t) (err error)
27 //sys Ftruncate(fd int, length int64) (err error)
28 //sysnb Getegid() (egid int)
29 //sysnb Geteuid() (euid int)
30 //sysnb Getgid() (gid int)
31 //sysnb getrlimit(resource int, rlim *Rlimit) (err error)
32 //sysnb Getuid() (uid int)
33 //sys Listen(s int, n int) (err error)
34 //sys pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
35 //sys pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
36 //sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
37 //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
38 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
39 //sys Setfsgid(gid int) (err error)
40 //sys Setfsuid(uid int) (err error)
41 //sysnb setrlimit1(resource int, rlim *Rlimit) (err error) = SYS_SETRLIMIT
42 //sys Shutdown(fd int, how int) (err error)
43 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
45 func Stat(path string, stat *Stat_t) (err error) {
46 return fstatat(_AT_FDCWD, path, stat, 0)
49 func Lchown(path string, uid int, gid int) (err error) {
50 return Fchownat(_AT_FDCWD, path, uid, gid, _AT_SYMLINK_NOFOLLOW)
53 func Lstat(path string, stat *Stat_t) (err error) {
54 return fstatat(_AT_FDCWD, path, stat, _AT_SYMLINK_NOFOLLOW)
57 //sys Statfs(path string, buf *Statfs_t) (err error)
58 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) = SYS_SYNC_FILE_RANGE2
59 //sys Truncate(path string, length int64) (err error)
60 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
61 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
62 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
63 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error)
64 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
65 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
66 //sysnb socket(domain int, typ int, proto int) (fd int, err error)
67 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
68 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
69 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
70 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
71 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
72 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
73 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
74 //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
76 type sigset_t struct {
80 //sys pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *sigset_t) (n int, err error) = SYS_PSELECT6
82 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
85 ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000}
87 return pselect(nfd, r, w, e, ts, nil)
90 //sysnb Gettimeofday(tv *Timeval) (err error)
92 func setTimespec(sec, nsec int64) Timespec {
93 return Timespec{Sec: sec, Nsec: nsec}
96 func setTimeval(sec, usec int64) Timeval {
97 return Timeval{Sec: sec, Usec: usec}
100 func futimesat(dirfd int, path string, tv *[2]Timeval) (err error) {
102 return utimensat(dirfd, path, nil, 0)
106 NsecToTimespec(TimevalToNsec(tv[0])),
107 NsecToTimespec(TimevalToNsec(tv[1])),
109 return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
112 func Time(t *Time_t) (Time_t, error) {
114 err := Gettimeofday(&tv)
121 return Time_t(tv.Sec), nil
124 func Utime(path string, buf *Utimbuf) error {
129 return Utimes(path, tv)
132 func utimes(path string, tv *[2]Timeval) (err error) {
134 return utimensat(_AT_FDCWD, path, nil, 0)
138 NsecToTimespec(TimevalToNsec(tv[0])),
139 NsecToTimespec(TimevalToNsec(tv[1])),
141 return utimensat(_AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
144 // Getrlimit prefers the prlimit64 system call. See issue 38604.
145 func Getrlimit(resource int, rlim *Rlimit) error {
146 err := prlimit(0, resource, nil, rlim)
150 return getrlimit(resource, rlim)
153 // setrlimit prefers the prlimit64 system call. See issue 38604.
154 func setrlimit(resource int, rlim *Rlimit) error {
155 err := prlimit(0, resource, rlim, nil)
159 return setrlimit1(resource, rlim)
163 func rawSetrlimit(resource int, rlim *Rlimit) Errno {
164 _, _, errno := RawSyscall6(SYS_PRLIMIT64, 0, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0, 0, 0)
168 _, _, errno = RawSyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
172 func (r *PtraceRegs) PC() uint64 { return r.Pc }
174 func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc }
176 func (iov *Iovec) SetLen(length int) {
177 iov.Len = uint64(length)
180 func (msghdr *Msghdr) SetControllen(length int) {
181 msghdr.Controllen = uint64(length)
184 func (cmsg *Cmsghdr) SetLen(length int) {
185 cmsg.Len = uint64(length)
188 func InotifyInit() (fd int, err error) {
189 return InotifyInit1(0)
192 //sys ppoll(fds *pollFd, nfds int, timeout *Timespec, sigmask *sigset_t) (n int, err error)
195 _, err := ppoll(nil, 0, nil, nil)