6 // +build riscv64,linux |
6 // +build riscv64,linux |
7 |
7 |
8 package unix |
8 package unix |
9 |
9 |
10 import "unsafe" |
10 import "unsafe" |
11 |
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12 func EpollCreate(size int) (fd int, err error) { |
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13 if size <= 0 { |
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14 return -1, EINVAL |
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15 } |
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16 return EpollCreate1(0) |
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17 } |
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18 |
11 |
19 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) = SYS_EPOLL_PWAIT |
12 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) = SYS_EPOLL_PWAIT |
20 //sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64 |
13 //sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64 |
21 //sys Fchown(fd int, uid int, gid int) (err error) |
14 //sys Fchown(fd int, uid int, gid int) (err error) |
22 //sys Fstat(fd int, stat *Stat_t) (err error) |
15 //sys Fstat(fd int, stat *Stat_t) (err error) |
27 //sysnb Geteuid() (euid int) |
20 //sysnb Geteuid() (euid int) |
28 //sysnb Getgid() (gid int) |
21 //sysnb Getgid() (gid int) |
29 //sysnb Getrlimit(resource int, rlim *Rlimit) (err error) |
22 //sysnb Getrlimit(resource int, rlim *Rlimit) (err error) |
30 //sysnb Getuid() (uid int) |
23 //sysnb Getuid() (uid int) |
31 //sys Listen(s int, n int) (err error) |
24 //sys Listen(s int, n int) (err error) |
32 //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 |
25 //sys MemfdSecret(flags int) (fd int, err error) |
33 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 |
26 //sys pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 |
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27 //sys pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 |
34 //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK |
28 //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK |
35 |
29 |
36 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) { |
30 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) { |
37 var ts *Timespec |
31 var ts *Timespec |
38 if timeout != nil { |
32 if timeout != nil { |
70 |
64 |
71 func Ustat(dev int, ubuf *Ustat_t) (err error) { |
65 func Ustat(dev int, ubuf *Ustat_t) (err error) { |
72 return ENOSYS |
66 return ENOSYS |
73 } |
67 } |
74 |
68 |
75 //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) |
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76 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) |
69 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) |
77 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) |
70 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) |
78 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) |
71 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) |
79 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) |
72 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) |
80 //sysnb setgroups(n int, list *_Gid_t) (err error) |
73 //sysnb setgroups(n int, list *_Gid_t) (err error) |
142 NsecToTimespec(TimevalToNsec(tv[1])), |
135 NsecToTimespec(TimevalToNsec(tv[1])), |
143 } |
136 } |
144 return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) |
137 return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) |
145 } |
138 } |
146 |
139 |
147 func Pipe(p []int) (err error) { |
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148 if len(p) != 2 { |
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149 return EINVAL |
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150 } |
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151 var pp [2]_C_int |
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152 err = pipe2(&pp, 0) |
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153 p[0] = int(pp[0]) |
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154 p[1] = int(pp[1]) |
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155 return |
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156 } |
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157 |
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158 //sysnb pipe2(p *[2]_C_int, flags int) (err error) |
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159 |
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160 func Pipe2(p []int, flags int) (err error) { |
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161 if len(p) != 2 { |
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162 return EINVAL |
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163 } |
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164 var pp [2]_C_int |
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165 err = pipe2(&pp, flags) |
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166 p[0] = int(pp[0]) |
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167 p[1] = int(pp[1]) |
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168 return |
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169 } |
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170 |
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171 func (r *PtraceRegs) PC() uint64 { return r.Pc } |
140 func (r *PtraceRegs) PC() uint64 { return r.Pc } |
172 |
141 |
173 func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc } |
142 func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc } |
174 |
143 |
175 func (iov *Iovec) SetLen(length int) { |
144 func (iov *Iovec) SetLen(length int) { |
190 |
159 |
191 func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) { |
160 func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) { |
192 rsa.Service_name_len = uint64(length) |
161 rsa.Service_name_len = uint64(length) |
193 } |
162 } |
194 |
163 |
195 func InotifyInit() (fd int, err error) { |
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196 return InotifyInit1(0) |
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197 } |
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198 |
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199 func Pause() error { |
164 func Pause() error { |
200 _, err := ppoll(nil, 0, nil, nil) |
165 _, err := ppoll(nil, 0, nil, nil) |
201 return err |
166 return err |
202 } |
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203 |
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204 func Poll(fds []PollFd, timeout int) (n int, err error) { |
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205 var ts *Timespec |
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206 if timeout >= 0 { |
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207 ts = new(Timespec) |
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208 *ts = NsecToTimespec(int64(timeout) * 1e6) |
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209 } |
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210 if len(fds) == 0 { |
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211 return ppoll(nil, 0, ts, nil) |
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212 } |
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213 return ppoll(&fds[0], len(fds), ts, nil) |
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214 } |
167 } |
215 |
168 |
216 func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) { |
169 func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) { |
217 return Renameat2(olddirfd, oldpath, newdirfd, newpath, 0) |
170 return Renameat2(olddirfd, oldpath, newdirfd, newpath, 0) |
218 } |
171 } |
227 // syscall expects a NULL-terminated string. |
180 // syscall expects a NULL-terminated string. |
228 cmdlineLen++ |
181 cmdlineLen++ |
229 } |
182 } |
230 return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags) |
183 return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags) |
231 } |
184 } |
232 |
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233 // dup2 exists because func Dup3 in syscall_linux.go references |
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234 // it in an unreachable path. dup2 isn't available on arm64. |
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235 func dup2(oldfd int, newfd int) error |
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