1 // Copyright 2018 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.
5 // +build riscv64,linux
11 func EpollCreate(size int) (fd int, err error) {
15 return EpollCreate1(0)
18 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) = SYS_EPOLL_PWAIT
19 //sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
20 //sys Fchown(fd int, uid int, gid int) (err error)
21 //sys Fstat(fd int, stat *Stat_t) (err error)
22 //sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
23 //sys Fstatfs(fd int, buf *Statfs_t) (err error)
24 //sys Ftruncate(fd int, length int64) (err error)
25 //sysnb Getegid() (egid int)
26 //sysnb Geteuid() (euid int)
27 //sysnb Getgid() (gid int)
28 //sysnb Getrlimit(resource int, rlim *Rlimit) (err error)
29 //sysnb Getuid() (uid int)
30 //sys Listen(s int, n int) (err error)
31 //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
32 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
33 //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
35 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
38 ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000}
40 return Pselect(nfd, r, w, e, ts, nil)
43 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
44 //sys Setfsgid(gid int) (err error)
45 //sys Setfsuid(uid int) (err error)
46 //sysnb Setregid(rgid int, egid int) (err error)
47 //sysnb Setresgid(rgid int, egid int, sgid int) (err error)
48 //sysnb Setresuid(ruid int, euid int, suid int) (err error)
49 //sysnb Setrlimit(resource int, rlim *Rlimit) (err error)
50 //sysnb Setreuid(ruid int, euid int) (err error)
51 //sys Shutdown(fd int, how int) (err error)
52 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
54 func Stat(path string, stat *Stat_t) (err error) {
55 return Fstatat(AT_FDCWD, path, stat, 0)
58 func Lchown(path string, uid int, gid int) (err error) {
59 return Fchownat(AT_FDCWD, path, uid, gid, AT_SYMLINK_NOFOLLOW)
62 func Lstat(path string, stat *Stat_t) (err error) {
63 return Fstatat(AT_FDCWD, path, stat, AT_SYMLINK_NOFOLLOW)
66 //sys Statfs(path string, buf *Statfs_t) (err error)
67 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error)
68 //sys Truncate(path string, length int64) (err error)
70 func Ustat(dev int, ubuf *Ustat_t) (err error) {
74 //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
75 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
76 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
77 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
78 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error)
79 //sysnb setgroups(n int, list *_Gid_t) (err error)
80 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
81 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
82 //sysnb socket(domain int, typ int, proto int) (fd int, err error)
83 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
84 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
85 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
86 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
87 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
88 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
89 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
90 //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
92 //sysnb Gettimeofday(tv *Timeval) (err error)
94 func setTimespec(sec, nsec int64) Timespec {
95 return Timespec{Sec: sec, Nsec: nsec}
98 func setTimeval(sec, usec int64) Timeval {
99 return Timeval{Sec: sec, Usec: usec}
102 func futimesat(dirfd int, path string, tv *[2]Timeval) (err error) {
104 return utimensat(dirfd, path, nil, 0)
108 NsecToTimespec(TimevalToNsec(tv[0])),
109 NsecToTimespec(TimevalToNsec(tv[1])),
111 return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
114 func Time(t *Time_t) (Time_t, error) {
116 err := Gettimeofday(&tv)
123 return Time_t(tv.Sec), nil
126 func Utime(path string, buf *Utimbuf) error {
131 return Utimes(path, tv)
134 func utimes(path string, tv *[2]Timeval) (err error) {
136 return utimensat(AT_FDCWD, path, nil, 0)
140 NsecToTimespec(TimevalToNsec(tv[0])),
141 NsecToTimespec(TimevalToNsec(tv[1])),
143 return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
146 func Pipe(p []int) (err error) {
157 //sysnb pipe2(p *[2]_C_int, flags int) (err error)
159 func Pipe2(p []int, flags int) (err error) {
164 err = pipe2(&pp, flags)
170 func (r *PtraceRegs) PC() uint64 { return r.Pc }
172 func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc }
174 func (iov *Iovec) SetLen(length int) {
175 iov.Len = uint64(length)
178 func (msghdr *Msghdr) SetControllen(length int) {
179 msghdr.Controllen = uint64(length)
182 func (cmsg *Cmsghdr) SetLen(length int) {
183 cmsg.Len = uint64(length)
186 func InotifyInit() (fd int, err error) {
187 return InotifyInit1(0)
190 func Dup2(oldfd int, newfd int) (err error) {
191 return Dup3(oldfd, newfd, 0)
195 _, err := ppoll(nil, 0, nil, nil)
199 func Poll(fds []PollFd, timeout int) (n int, err error) {
203 *ts = NsecToTimespec(int64(timeout) * 1e6)
206 return ppoll(nil, 0, ts, nil)
208 return ppoll(&fds[0], len(fds), ts, nil)
211 func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
212 return Renameat2(olddirfd, oldpath, newdirfd, newpath, 0)
215 //sys kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error)
217 func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error {
218 cmdlineLen := len(cmdline)
220 // Account for the additional NULL byte added by
221 // BytePtrFromString in kexecFileLoad. The kexec_file_load
222 // syscall expects a NULL-terminated string.
225 return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags)