mirror of https://github.com/EasyDarwin/EasyDarwin
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
713 lines
20 KiB
713 lines
20 KiB
// Copyright 2009 The Go Authors. All rights reserved. |
|
// Use of this source code is governed by a BSD-style |
|
// license that can be found in the LICENSE file. |
|
|
|
// Solaris system calls. |
|
// This file is compiled as ordinary Go code, |
|
// but it is also input to mksyscall, |
|
// which parses the //sys lines and generates system call stubs. |
|
// Note that sometimes we use a lowercase //sys name and wrap |
|
// it in our own nicer implementation, either here or in |
|
// syscall_solaris.go or syscall_unix.go. |
|
|
|
package unix |
|
|
|
import ( |
|
"sync/atomic" |
|
"syscall" |
|
"unsafe" |
|
) |
|
|
|
// Implemented in runtime/syscall_solaris.go. |
|
type syscallFunc uintptr |
|
|
|
func rawSysvicall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno) |
|
func sysvicall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno) |
|
|
|
type SockaddrDatalink struct { |
|
Family uint16 |
|
Index uint16 |
|
Type uint8 |
|
Nlen uint8 |
|
Alen uint8 |
|
Slen uint8 |
|
Data [244]int8 |
|
raw RawSockaddrDatalink |
|
} |
|
|
|
func clen(n []byte) int { |
|
for i := 0; i < len(n); i++ { |
|
if n[i] == 0 { |
|
return i |
|
} |
|
} |
|
return len(n) |
|
} |
|
|
|
// ParseDirent parses up to max directory entries in buf, |
|
// appending the names to names. It returns the number |
|
// bytes consumed from buf, the number of entries added |
|
// to names, and the new names slice. |
|
func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) { |
|
origlen := len(buf) |
|
for max != 0 && len(buf) > 0 { |
|
dirent := (*Dirent)(unsafe.Pointer(&buf[0])) |
|
if dirent.Reclen == 0 { |
|
buf = nil |
|
break |
|
} |
|
buf = buf[dirent.Reclen:] |
|
if dirent.Ino == 0 { // File absent in directory. |
|
continue |
|
} |
|
bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0])) |
|
var name = string(bytes[0:clen(bytes[:])]) |
|
if name == "." || name == ".." { // Useless names |
|
continue |
|
} |
|
max-- |
|
count++ |
|
names = append(names, name) |
|
} |
|
return origlen - len(buf), count, names |
|
} |
|
|
|
func pipe() (r uintptr, w uintptr, err uintptr) |
|
|
|
func Pipe(p []int) (err error) { |
|
if len(p) != 2 { |
|
return EINVAL |
|
} |
|
r0, w0, e1 := pipe() |
|
if e1 != 0 { |
|
err = syscall.Errno(e1) |
|
} |
|
p[0], p[1] = int(r0), int(w0) |
|
return |
|
} |
|
|
|
func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) { |
|
if sa.Port < 0 || sa.Port > 0xFFFF { |
|
return nil, 0, EINVAL |
|
} |
|
sa.raw.Family = AF_INET |
|
p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) |
|
p[0] = byte(sa.Port >> 8) |
|
p[1] = byte(sa.Port) |
|
for i := 0; i < len(sa.Addr); i++ { |
|
sa.raw.Addr[i] = sa.Addr[i] |
|
} |
|
return unsafe.Pointer(&sa.raw), SizeofSockaddrInet4, nil |
|
} |
|
|
|
func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, _Socklen, error) { |
|
if sa.Port < 0 || sa.Port > 0xFFFF { |
|
return nil, 0, EINVAL |
|
} |
|
sa.raw.Family = AF_INET6 |
|
p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) |
|
p[0] = byte(sa.Port >> 8) |
|
p[1] = byte(sa.Port) |
|
sa.raw.Scope_id = sa.ZoneId |
|
for i := 0; i < len(sa.Addr); i++ { |
|
sa.raw.Addr[i] = sa.Addr[i] |
|
} |
|
return unsafe.Pointer(&sa.raw), SizeofSockaddrInet6, nil |
|
} |
|
|
|
func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) { |
|
name := sa.Name |
|
n := len(name) |
|
if n >= len(sa.raw.Path) { |
|
return nil, 0, EINVAL |
|
} |
|
sa.raw.Family = AF_UNIX |
|
for i := 0; i < n; i++ { |
|
sa.raw.Path[i] = int8(name[i]) |
|
} |
|
// length is family (uint16), name, NUL. |
|
sl := _Socklen(2) |
|
if n > 0 { |
|
sl += _Socklen(n) + 1 |
|
} |
|
if sa.raw.Path[0] == '@' { |
|
sa.raw.Path[0] = 0 |
|
// Don't count trailing NUL for abstract address. |
|
sl-- |
|
} |
|
|
|
return unsafe.Pointer(&sa.raw), sl, nil |
|
} |
|
|
|
//sys getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) = libsocket.getsockname |
|
|
|
func Getsockname(fd int) (sa Sockaddr, err error) { |
|
var rsa RawSockaddrAny |
|
var len _Socklen = SizeofSockaddrAny |
|
if err = getsockname(fd, &rsa, &len); err != nil { |
|
return |
|
} |
|
return anyToSockaddr(&rsa) |
|
} |
|
|
|
const ImplementsGetwd = true |
|
|
|
//sys Getcwd(buf []byte) (n int, err error) |
|
|
|
func Getwd() (wd string, err error) { |
|
var buf [PathMax]byte |
|
// Getcwd will return an error if it failed for any reason. |
|
_, err = Getcwd(buf[0:]) |
|
if err != nil { |
|
return "", err |
|
} |
|
n := clen(buf[:]) |
|
if n < 1 { |
|
return "", EINVAL |
|
} |
|
return string(buf[:n]), nil |
|
} |
|
|
|
/* |
|
* Wrapped |
|
*/ |
|
|
|
//sysnb getgroups(ngid int, gid *_Gid_t) (n int, err error) |
|
//sysnb setgroups(ngid int, gid *_Gid_t) (err error) |
|
|
|
func Getgroups() (gids []int, err error) { |
|
n, err := getgroups(0, nil) |
|
// Check for error and sanity check group count. Newer versions of |
|
// Solaris allow up to 1024 (NGROUPS_MAX). |
|
if n < 0 || n > 1024 { |
|
if err != nil { |
|
return nil, err |
|
} |
|
return nil, EINVAL |
|
} else if n == 0 { |
|
return nil, nil |
|
} |
|
|
|
a := make([]_Gid_t, n) |
|
n, err = getgroups(n, &a[0]) |
|
if n == -1 { |
|
return nil, err |
|
} |
|
gids = make([]int, n) |
|
for i, v := range a[0:n] { |
|
gids[i] = int(v) |
|
} |
|
return |
|
} |
|
|
|
func Setgroups(gids []int) (err error) { |
|
if len(gids) == 0 { |
|
return setgroups(0, nil) |
|
} |
|
|
|
a := make([]_Gid_t, len(gids)) |
|
for i, v := range gids { |
|
a[i] = _Gid_t(v) |
|
} |
|
return setgroups(len(a), &a[0]) |
|
} |
|
|
|
func ReadDirent(fd int, buf []byte) (n int, err error) { |
|
// Final argument is (basep *uintptr) and the syscall doesn't take nil. |
|
// TODO(rsc): Can we use a single global basep for all calls? |
|
return Getdents(fd, buf, new(uintptr)) |
|
} |
|
|
|
// Wait status is 7 bits at bottom, either 0 (exited), |
|
// 0x7F (stopped), or a signal number that caused an exit. |
|
// The 0x80 bit is whether there was a core dump. |
|
// An extra number (exit code, signal causing a stop) |
|
// is in the high bits. |
|
|
|
type WaitStatus uint32 |
|
|
|
const ( |
|
mask = 0x7F |
|
core = 0x80 |
|
shift = 8 |
|
|
|
exited = 0 |
|
stopped = 0x7F |
|
) |
|
|
|
func (w WaitStatus) Exited() bool { return w&mask == exited } |
|
|
|
func (w WaitStatus) ExitStatus() int { |
|
if w&mask != exited { |
|
return -1 |
|
} |
|
return int(w >> shift) |
|
} |
|
|
|
func (w WaitStatus) Signaled() bool { return w&mask != stopped && w&mask != 0 } |
|
|
|
func (w WaitStatus) Signal() syscall.Signal { |
|
sig := syscall.Signal(w & mask) |
|
if sig == stopped || sig == 0 { |
|
return -1 |
|
} |
|
return sig |
|
} |
|
|
|
func (w WaitStatus) CoreDump() bool { return w.Signaled() && w&core != 0 } |
|
|
|
func (w WaitStatus) Stopped() bool { return w&mask == stopped && syscall.Signal(w>>shift) != SIGSTOP } |
|
|
|
func (w WaitStatus) Continued() bool { return w&mask == stopped && syscall.Signal(w>>shift) == SIGSTOP } |
|
|
|
func (w WaitStatus) StopSignal() syscall.Signal { |
|
if !w.Stopped() { |
|
return -1 |
|
} |
|
return syscall.Signal(w>>shift) & 0xFF |
|
} |
|
|
|
func (w WaitStatus) TrapCause() int { return -1 } |
|
|
|
func wait4(pid uintptr, wstatus *WaitStatus, options uintptr, rusage *Rusage) (wpid uintptr, err uintptr) |
|
|
|
func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) { |
|
r0, e1 := wait4(uintptr(pid), wstatus, uintptr(options), rusage) |
|
if e1 != 0 { |
|
err = syscall.Errno(e1) |
|
} |
|
return int(r0), err |
|
} |
|
|
|
func gethostname() (name string, err uintptr) |
|
|
|
func Gethostname() (name string, err error) { |
|
name, e1 := gethostname() |
|
if e1 != 0 { |
|
err = syscall.Errno(e1) |
|
} |
|
return name, err |
|
} |
|
|
|
//sys utimes(path string, times *[2]Timeval) (err error) |
|
|
|
func Utimes(path string, tv []Timeval) (err error) { |
|
if tv == nil { |
|
return utimes(path, nil) |
|
} |
|
if len(tv) != 2 { |
|
return EINVAL |
|
} |
|
return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) |
|
} |
|
|
|
//sys utimensat(fd int, path string, times *[2]Timespec, flag int) (err error) |
|
|
|
func UtimesNano(path string, ts []Timespec) error { |
|
if ts == nil { |
|
return utimensat(AT_FDCWD, path, nil, 0) |
|
} |
|
if len(ts) != 2 { |
|
return EINVAL |
|
} |
|
return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) |
|
} |
|
|
|
func UtimesNanoAt(dirfd int, path string, ts []Timespec, flags int) error { |
|
if ts == nil { |
|
return utimensat(dirfd, path, nil, flags) |
|
} |
|
if len(ts) != 2 { |
|
return EINVAL |
|
} |
|
return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), flags) |
|
} |
|
|
|
//sys fcntl(fd int, cmd int, arg int) (val int, err error) |
|
|
|
// FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command. |
|
func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error { |
|
_, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procfcntl)), 3, uintptr(fd), uintptr(cmd), uintptr(unsafe.Pointer(lk)), 0, 0, 0) |
|
if e1 != 0 { |
|
return e1 |
|
} |
|
return nil |
|
} |
|
|
|
//sys futimesat(fildes int, path *byte, times *[2]Timeval) (err error) |
|
|
|
func Futimesat(dirfd int, path string, tv []Timeval) error { |
|
pathp, err := BytePtrFromString(path) |
|
if err != nil { |
|
return err |
|
} |
|
if tv == nil { |
|
return futimesat(dirfd, pathp, nil) |
|
} |
|
if len(tv) != 2 { |
|
return EINVAL |
|
} |
|
return futimesat(dirfd, pathp, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) |
|
} |
|
|
|
// Solaris doesn't have an futimes function because it allows NULL to be |
|
// specified as the path for futimesat. However, Go doesn't like |
|
// NULL-style string interfaces, so this simple wrapper is provided. |
|
func Futimes(fd int, tv []Timeval) error { |
|
if tv == nil { |
|
return futimesat(fd, nil, nil) |
|
} |
|
if len(tv) != 2 { |
|
return EINVAL |
|
} |
|
return futimesat(fd, nil, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) |
|
} |
|
|
|
func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) { |
|
switch rsa.Addr.Family { |
|
case AF_UNIX: |
|
pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa)) |
|
sa := new(SockaddrUnix) |
|
// Assume path ends at NUL. |
|
// This is not technically the Solaris semantics for |
|
// abstract Unix domain sockets -- they are supposed |
|
// to be uninterpreted fixed-size binary blobs -- but |
|
// everyone uses this convention. |
|
n := 0 |
|
for n < len(pp.Path) && pp.Path[n] != 0 { |
|
n++ |
|
} |
|
bytes := (*[10000]byte)(unsafe.Pointer(&pp.Path[0]))[0:n] |
|
sa.Name = string(bytes) |
|
return sa, nil |
|
|
|
case AF_INET: |
|
pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa)) |
|
sa := new(SockaddrInet4) |
|
p := (*[2]byte)(unsafe.Pointer(&pp.Port)) |
|
sa.Port = int(p[0])<<8 + int(p[1]) |
|
for i := 0; i < len(sa.Addr); i++ { |
|
sa.Addr[i] = pp.Addr[i] |
|
} |
|
return sa, nil |
|
|
|
case AF_INET6: |
|
pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa)) |
|
sa := new(SockaddrInet6) |
|
p := (*[2]byte)(unsafe.Pointer(&pp.Port)) |
|
sa.Port = int(p[0])<<8 + int(p[1]) |
|
sa.ZoneId = pp.Scope_id |
|
for i := 0; i < len(sa.Addr); i++ { |
|
sa.Addr[i] = pp.Addr[i] |
|
} |
|
return sa, nil |
|
} |
|
return nil, EAFNOSUPPORT |
|
} |
|
|
|
//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) = libsocket.accept |
|
|
|
func Accept(fd int) (nfd int, sa Sockaddr, err error) { |
|
var rsa RawSockaddrAny |
|
var len _Socklen = SizeofSockaddrAny |
|
nfd, err = accept(fd, &rsa, &len) |
|
if nfd == -1 { |
|
return |
|
} |
|
sa, err = anyToSockaddr(&rsa) |
|
if err != nil { |
|
Close(nfd) |
|
nfd = 0 |
|
} |
|
return |
|
} |
|
|
|
//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) = libsocket.recvmsg |
|
|
|
func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) { |
|
var msg Msghdr |
|
var rsa RawSockaddrAny |
|
msg.Name = (*byte)(unsafe.Pointer(&rsa)) |
|
msg.Namelen = uint32(SizeofSockaddrAny) |
|
var iov Iovec |
|
if len(p) > 0 { |
|
iov.Base = (*int8)(unsafe.Pointer(&p[0])) |
|
iov.SetLen(len(p)) |
|
} |
|
var dummy int8 |
|
if len(oob) > 0 { |
|
// receive at least one normal byte |
|
if len(p) == 0 { |
|
iov.Base = &dummy |
|
iov.SetLen(1) |
|
} |
|
msg.Accrights = (*int8)(unsafe.Pointer(&oob[0])) |
|
} |
|
msg.Iov = &iov |
|
msg.Iovlen = 1 |
|
if n, err = recvmsg(fd, &msg, flags); n == -1 { |
|
return |
|
} |
|
oobn = int(msg.Accrightslen) |
|
// source address is only specified if the socket is unconnected |
|
if rsa.Addr.Family != AF_UNSPEC { |
|
from, err = anyToSockaddr(&rsa) |
|
} |
|
return |
|
} |
|
|
|
func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) { |
|
_, err = SendmsgN(fd, p, oob, to, flags) |
|
return |
|
} |
|
|
|
//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) = libsocket.sendmsg |
|
|
|
func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) { |
|
var ptr unsafe.Pointer |
|
var salen _Socklen |
|
if to != nil { |
|
ptr, salen, err = to.sockaddr() |
|
if err != nil { |
|
return 0, err |
|
} |
|
} |
|
var msg Msghdr |
|
msg.Name = (*byte)(unsafe.Pointer(ptr)) |
|
msg.Namelen = uint32(salen) |
|
var iov Iovec |
|
if len(p) > 0 { |
|
iov.Base = (*int8)(unsafe.Pointer(&p[0])) |
|
iov.SetLen(len(p)) |
|
} |
|
var dummy int8 |
|
if len(oob) > 0 { |
|
// send at least one normal byte |
|
if len(p) == 0 { |
|
iov.Base = &dummy |
|
iov.SetLen(1) |
|
} |
|
msg.Accrights = (*int8)(unsafe.Pointer(&oob[0])) |
|
} |
|
msg.Iov = &iov |
|
msg.Iovlen = 1 |
|
if n, err = sendmsg(fd, &msg, flags); err != nil { |
|
return 0, err |
|
} |
|
if len(oob) > 0 && len(p) == 0 { |
|
n = 0 |
|
} |
|
return n, nil |
|
} |
|
|
|
//sys acct(path *byte) (err error) |
|
|
|
func Acct(path string) (err error) { |
|
if len(path) == 0 { |
|
// Assume caller wants to disable accounting. |
|
return acct(nil) |
|
} |
|
|
|
pathp, err := BytePtrFromString(path) |
|
if err != nil { |
|
return err |
|
} |
|
return acct(pathp) |
|
} |
|
|
|
/* |
|
* Expose the ioctl function |
|
*/ |
|
|
|
//sys ioctl(fd int, req int, arg uintptr) (err error) |
|
|
|
func IoctlSetInt(fd int, req int, value int) (err error) { |
|
return ioctl(fd, req, uintptr(value)) |
|
} |
|
|
|
func IoctlSetWinsize(fd int, req int, value *Winsize) (err error) { |
|
return ioctl(fd, req, uintptr(unsafe.Pointer(value))) |
|
} |
|
|
|
func IoctlSetTermios(fd int, req int, value *Termios) (err error) { |
|
return ioctl(fd, req, uintptr(unsafe.Pointer(value))) |
|
} |
|
|
|
func IoctlSetTermio(fd int, req int, value *Termio) (err error) { |
|
return ioctl(fd, req, uintptr(unsafe.Pointer(value))) |
|
} |
|
|
|
func IoctlGetInt(fd int, req int) (int, error) { |
|
var value int |
|
err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) |
|
return value, err |
|
} |
|
|
|
func IoctlGetWinsize(fd int, req int) (*Winsize, error) { |
|
var value Winsize |
|
err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) |
|
return &value, err |
|
} |
|
|
|
func IoctlGetTermios(fd int, req int) (*Termios, error) { |
|
var value Termios |
|
err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) |
|
return &value, err |
|
} |
|
|
|
func IoctlGetTermio(fd int, req int) (*Termio, error) { |
|
var value Termio |
|
err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) |
|
return &value, err |
|
} |
|
|
|
/* |
|
* Exposed directly |
|
*/ |
|
//sys Access(path string, mode uint32) (err error) |
|
//sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) |
|
//sys Chdir(path string) (err error) |
|
//sys Chmod(path string, mode uint32) (err error) |
|
//sys Chown(path string, uid int, gid int) (err error) |
|
//sys Chroot(path string) (err error) |
|
//sys Close(fd int) (err error) |
|
//sys Creat(path string, mode uint32) (fd int, err error) |
|
//sys Dup(fd int) (nfd int, err error) |
|
//sys Dup2(oldfd int, newfd int) (err error) |
|
//sys Exit(code int) |
|
//sys Fchdir(fd int) (err error) |
|
//sys Fchmod(fd int, mode uint32) (err error) |
|
//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) |
|
//sys Fchown(fd int, uid int, gid int) (err error) |
|
//sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) |
|
//sys Fdatasync(fd int) (err error) |
|
//sys Fpathconf(fd int, name int) (val int, err error) |
|
//sys Fstat(fd int, stat *Stat_t) (err error) |
|
//sys Getdents(fd int, buf []byte, basep *uintptr) (n int, err error) |
|
//sysnb Getgid() (gid int) |
|
//sysnb Getpid() (pid int) |
|
//sysnb Getpgid(pid int) (pgid int, err error) |
|
//sysnb Getpgrp() (pgid int, err error) |
|
//sys Geteuid() (euid int) |
|
//sys Getegid() (egid int) |
|
//sys Getppid() (ppid int) |
|
//sys Getpriority(which int, who int) (n int, err error) |
|
//sysnb Getrlimit(which int, lim *Rlimit) (err error) |
|
//sysnb Getrusage(who int, rusage *Rusage) (err error) |
|
//sysnb Gettimeofday(tv *Timeval) (err error) |
|
//sysnb Getuid() (uid int) |
|
//sys Kill(pid int, signum syscall.Signal) (err error) |
|
//sys Lchown(path string, uid int, gid int) (err error) |
|
//sys Link(path string, link string) (err error) |
|
//sys Listen(s int, backlog int) (err error) = libsocket.listen |
|
//sys Lstat(path string, stat *Stat_t) (err error) |
|
//sys Madvise(b []byte, advice int) (err error) |
|
//sys Mkdir(path string, mode uint32) (err error) |
|
//sys Mkdirat(dirfd int, path string, mode uint32) (err error) |
|
//sys Mkfifo(path string, mode uint32) (err error) |
|
//sys Mkfifoat(dirfd int, path string, mode uint32) (err error) |
|
//sys Mknod(path string, mode uint32, dev int) (err error) |
|
//sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error) |
|
//sys Mlock(b []byte) (err error) |
|
//sys Mlockall(flags int) (err error) |
|
//sys Mprotect(b []byte, prot int) (err error) |
|
//sys Munlock(b []byte) (err error) |
|
//sys Munlockall() (err error) |
|
//sys Nanosleep(time *Timespec, leftover *Timespec) (err error) |
|
//sys Open(path string, mode int, perm uint32) (fd int, err error) |
|
//sys Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error) |
|
//sys Pathconf(path string, name int) (val int, err error) |
|
//sys Pause() (err error) |
|
//sys Pread(fd int, p []byte, offset int64) (n int, err error) |
|
//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) |
|
//sys read(fd int, p []byte) (n int, err error) |
|
//sys Readlink(path string, buf []byte) (n int, err error) |
|
//sys Rename(from string, to string) (err error) |
|
//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) |
|
//sys Rmdir(path string) (err error) |
|
//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = lseek |
|
//sysnb Setegid(egid int) (err error) |
|
//sysnb Seteuid(euid int) (err error) |
|
//sysnb Setgid(gid int) (err error) |
|
//sys Sethostname(p []byte) (err error) |
|
//sysnb Setpgid(pid int, pgid int) (err error) |
|
//sys Setpriority(which int, who int, prio int) (err error) |
|
//sysnb Setregid(rgid int, egid int) (err error) |
|
//sysnb Setreuid(ruid int, euid int) (err error) |
|
//sysnb Setrlimit(which int, lim *Rlimit) (err error) |
|
//sysnb Setsid() (pid int, err error) |
|
//sysnb Setuid(uid int) (err error) |
|
//sys Shutdown(s int, how int) (err error) = libsocket.shutdown |
|
//sys Stat(path string, stat *Stat_t) (err error) |
|
//sys Symlink(path string, link string) (err error) |
|
//sys Sync() (err error) |
|
//sysnb Times(tms *Tms) (ticks uintptr, err error) |
|
//sys Truncate(path string, length int64) (err error) |
|
//sys Fsync(fd int) (err error) |
|
//sys Ftruncate(fd int, length int64) (err error) |
|
//sys Umask(mask int) (oldmask int) |
|
//sysnb Uname(buf *Utsname) (err error) |
|
//sys Unmount(target string, flags int) (err error) = libc.umount |
|
//sys Unlink(path string) (err error) |
|
//sys Unlinkat(dirfd int, path string) (err error) |
|
//sys Ustat(dev int, ubuf *Ustat_t) (err error) |
|
//sys Utime(path string, buf *Utimbuf) (err error) |
|
//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) = libsocket.bind |
|
//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) = libsocket.connect |
|
//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) |
|
//sys munmap(addr uintptr, length uintptr) (err error) |
|
//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) = libsocket.sendto |
|
//sys socket(domain int, typ int, proto int) (fd int, err error) = libsocket.socket |
|
//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) = libsocket.socketpair |
|
//sys write(fd int, p []byte) (n int, err error) |
|
//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) = libsocket.getsockopt |
|
//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) = libsocket.getpeername |
|
//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) = libsocket.setsockopt |
|
//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) = libsocket.recvfrom |
|
|
|
func readlen(fd int, buf *byte, nbuf int) (n int, err error) { |
|
r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procread)), 3, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf), 0, 0, 0) |
|
n = int(r0) |
|
if e1 != 0 { |
|
err = e1 |
|
} |
|
return |
|
} |
|
|
|
func writelen(fd int, buf *byte, nbuf int) (n int, err error) { |
|
r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procwrite)), 3, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf), 0, 0, 0) |
|
n = int(r0) |
|
if e1 != 0 { |
|
err = e1 |
|
} |
|
return |
|
} |
|
|
|
var mapper = &mmapper{ |
|
active: make(map[*byte][]byte), |
|
mmap: mmap, |
|
munmap: munmap, |
|
} |
|
|
|
func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) { |
|
return mapper.Mmap(fd, offset, length, prot, flags) |
|
} |
|
|
|
func Munmap(b []byte) (err error) { |
|
return mapper.Munmap(b) |
|
} |
|
|
|
//sys sysconf(name int) (n int64, err error) |
|
|
|
// pageSize caches the value of Getpagesize, since it can't change |
|
// once the system is booted. |
|
var pageSize int64 // accessed atomically |
|
|
|
func Getpagesize() int { |
|
n := atomic.LoadInt64(&pageSize) |
|
if n == 0 { |
|
n, _ = sysconf(_SC_PAGESIZE) |
|
atomic.StoreInt64(&pageSize, n) |
|
} |
|
return int(n) |
|
}
|
|
|