6 // +build arm64,linux |
6 // +build arm64,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 Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) |
28 //sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) |
35 //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK |
29 //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK |
36 |
30 |
37 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) { |
31 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) { |
38 var ts *Timespec |
32 var ts *Timespec |
71 |
65 |
72 func Ustat(dev int, ubuf *Ustat_t) (err error) { |
66 func Ustat(dev int, ubuf *Ustat_t) (err error) { |
73 return ENOSYS |
67 return ENOSYS |
74 } |
68 } |
75 |
69 |
76 //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) |
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77 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) |
70 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) |
78 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) |
71 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) |
79 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) |
72 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) |
80 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) |
73 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) |
81 //sysnb setgroups(n int, list *_Gid_t) (err error) |
74 //sysnb setgroups(n int, list *_Gid_t) (err error) |
143 NsecToTimespec(TimevalToNsec(tv[1])), |
136 NsecToTimespec(TimevalToNsec(tv[1])), |
144 } |
137 } |
145 return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) |
138 return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) |
146 } |
139 } |
147 |
140 |
148 func Pipe(p []int) (err error) { |
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149 if len(p) != 2 { |
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150 return EINVAL |
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151 } |
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152 var pp [2]_C_int |
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153 err = pipe2(&pp, 0) |
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154 p[0] = int(pp[0]) |
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155 p[1] = int(pp[1]) |
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156 return |
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157 } |
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158 |
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159 //sysnb pipe2(p *[2]_C_int, flags int) (err error) |
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160 |
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161 func Pipe2(p []int, flags int) (err error) { |
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162 if len(p) != 2 { |
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163 return EINVAL |
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164 } |
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165 var pp [2]_C_int |
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166 err = pipe2(&pp, flags) |
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167 p[0] = int(pp[0]) |
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168 p[1] = int(pp[1]) |
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169 return |
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170 } |
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171 |
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172 // Getrlimit prefers the prlimit64 system call. See issue 38604. |
141 // Getrlimit prefers the prlimit64 system call. See issue 38604. |
173 func Getrlimit(resource int, rlim *Rlimit) error { |
142 func Getrlimit(resource int, rlim *Rlimit) error { |
174 err := prlimit(0, resource, nil, rlim) |
143 err := Prlimit(0, resource, nil, rlim) |
175 if err != ENOSYS { |
144 if err != ENOSYS { |
176 return err |
145 return err |
177 } |
146 } |
178 return getrlimit(resource, rlim) |
147 return getrlimit(resource, rlim) |
179 } |
148 } |
180 |
149 |
181 // Setrlimit prefers the prlimit64 system call. See issue 38604. |
150 // Setrlimit prefers the prlimit64 system call. See issue 38604. |
182 func Setrlimit(resource int, rlim *Rlimit) error { |
151 func Setrlimit(resource int, rlim *Rlimit) error { |
183 err := prlimit(0, resource, rlim, nil) |
152 err := Prlimit(0, resource, rlim, nil) |
184 if err != ENOSYS { |
153 if err != ENOSYS { |
185 return err |
154 return err |
186 } |
155 } |
187 return setrlimit(resource, rlim) |
156 return setrlimit(resource, rlim) |
188 } |
157 } |
209 |
178 |
210 func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) { |
179 func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) { |
211 rsa.Service_name_len = uint64(length) |
180 rsa.Service_name_len = uint64(length) |
212 } |
181 } |
213 |
182 |
214 func InotifyInit() (fd int, err error) { |
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215 return InotifyInit1(0) |
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216 } |
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217 |
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218 // dup2 exists because func Dup3 in syscall_linux.go references |
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219 // it in an unreachable path. dup2 isn't available on arm64. |
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220 func dup2(oldfd int, newfd int) error |
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221 |
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222 func Pause() error { |
183 func Pause() error { |
223 _, err := ppoll(nil, 0, nil, nil) |
184 _, err := ppoll(nil, 0, nil, nil) |
224 return err |
185 return err |
225 } |
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226 |
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227 func Poll(fds []PollFd, timeout int) (n int, err error) { |
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228 var ts *Timespec |
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229 if timeout >= 0 { |
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230 ts = new(Timespec) |
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231 *ts = NsecToTimespec(int64(timeout) * 1e6) |
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232 } |
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233 if len(fds) == 0 { |
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234 return ppoll(nil, 0, ts, nil) |
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235 } |
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236 return ppoll(&fds[0], len(fds), ts, nil) |
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237 } |
186 } |
238 |
187 |
239 //sys kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error) |
188 //sys kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error) |
240 |
189 |
241 func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error { |
190 func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error { |