diff options
Diffstat (limited to 'src/pkg/syscall/syscall_linux.go')
| -rw-r--r-- | src/pkg/syscall/syscall_linux.go | 999 |
1 files changed, 0 insertions, 999 deletions
diff --git a/src/pkg/syscall/syscall_linux.go b/src/pkg/syscall/syscall_linux.go deleted file mode 100644 index 1d6fc76c7..000000000 --- a/src/pkg/syscall/syscall_linux.go +++ /dev/null @@ -1,999 +0,0 @@ -// 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. - -// Linux 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. - -package syscall - -import "unsafe" - -const OS = "linux" - -/* - * Wrapped - */ - -//sys open(path string, mode int, perm uint32) (fd int, errno int) -func Open(path string, mode int, perm uint32) (fd int, errno int) { - return open(path, mode|O_LARGEFILE, perm) -} - -//sys openat(dirfd int, path string, flags int, mode uint32) (fd int, errno int) -func Openat(dirfd int, path string, flags int, mode uint32) (fd int, errno int) { - return openat(dirfd, path, flags|O_LARGEFILE, mode) -} - -//sysnb pipe(p *[2]_C_int) (errno int) -func Pipe(p []int) (errno int) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - errno = pipe(&pp) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - -//sys utimes(path string, times *[2]Timeval) (errno int) -func Utimes(path string, tv []Timeval) (errno int) { - if len(tv) != 2 { - return EINVAL - } - return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) -} - -//sys futimesat(dirfd int, path *byte, times *[2]Timeval) (errno int) -func Futimesat(dirfd int, path string, tv []Timeval) (errno int) { - if len(tv) != 2 { - return EINVAL - } - return futimesat(dirfd, StringBytePtr(path), (*[2]Timeval)(unsafe.Pointer(&tv[0]))) -} - -func Futimes(fd int, tv []Timeval) (errno int) { - // Believe it or not, this is the best we can do on Linux - // (and is what glibc does). - return Utimes("/proc/self/fd/"+itoa(fd), tv) -} - -const ImplementsGetwd = true - -//sys Getcwd(buf []byte) (n int, errno int) -func Getwd() (wd string, errno int) { - var buf [PathMax]byte - n, err := Getcwd(buf[0:]) - if err != 0 { - return "", err - } - // Getcwd returns the number of bytes written to buf, including the NUL. - if n < 1 || n > len(buf) || buf[n-1] != 0 { - return "", EINVAL - } - return string(buf[0 : n-1]), 0 -} - -func Getgroups() (gids []int, errno int) { - n, err := getgroups(0, nil) - if err != 0 { - return nil, errno - } - if n == 0 { - return nil, 0 - } - - // Sanity check group count. Max is 1<<16 on Linux. - if n < 0 || n > 1<<20 { - return nil, EINVAL - } - - a := make([]_Gid_t, n) - n, err = getgroups(n, &a[0]) - if err != 0 { - return nil, errno - } - gids = make([]int, n) - for i, v := range a[0:n] { - gids[i] = int(v) - } - return -} - -func Setgroups(gids []int) (errno int) { - 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]) -} - -type WaitStatus uint32 - -// 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. At least that's the idea. -// There are various irregularities. For example, the -// "continued" status is 0xFFFF, distinguishing itself -// from stopped via the core dump bit. - -const ( - mask = 0x7F - core = 0x80 - exited = 0x00 - stopped = 0x7F - shift = 8 -) - -func (w WaitStatus) Exited() bool { return w&mask == exited } - -func (w WaitStatus) Signaled() bool { return w&mask != stopped && w&mask != exited } - -func (w WaitStatus) Stopped() bool { return w&0xFF == stopped } - -func (w WaitStatus) Continued() bool { return w == 0xFFFF } - -func (w WaitStatus) CoreDump() bool { return w.Signaled() && w&core != 0 } - -func (w WaitStatus) ExitStatus() int { - if !w.Exited() { - return -1 - } - return int(w>>shift) & 0xFF -} - -func (w WaitStatus) Signal() int { - if !w.Signaled() { - return -1 - } - return int(w & mask) -} - -func (w WaitStatus) StopSignal() int { - if !w.Stopped() { - return -1 - } - return int(w>>shift) & 0xFF -} - -func (w WaitStatus) TrapCause() int { - if w.StopSignal() != SIGTRAP { - return -1 - } - return int(w>>shift) >> 8 -} - -//sys wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, errno int) -func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, errno int) { - var status _C_int - wpid, errno = wait4(pid, &status, options, rusage) - if wstatus != nil { - *wstatus = WaitStatus(status) - } - return -} - -func Sleep(nsec int64) (errno int) { - tv := NsecToTimeval(nsec) - _, err := Select(0, nil, nil, nil, &tv) - return err -} - -// For testing: clients can set this flag to force -// creation of IPv6 sockets to return EAFNOSUPPORT. -var SocketDisableIPv6 bool - -type Sockaddr interface { - sockaddr() (ptr uintptr, len _Socklen, errno int) // lowercase; only we can define Sockaddrs -} - -type SockaddrInet4 struct { - Port int - Addr [4]byte - raw RawSockaddrInet4 -} - -func (sa *SockaddrInet4) sockaddr() (uintptr, _Socklen, int) { - if sa.Port < 0 || sa.Port > 0xFFFF { - return 0, 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 uintptr(unsafe.Pointer(&sa.raw)), SizeofSockaddrInet4, 0 -} - -type SockaddrInet6 struct { - Port int - ZoneId uint32 - Addr [16]byte - raw RawSockaddrInet6 -} - -func (sa *SockaddrInet6) sockaddr() (uintptr, _Socklen, int) { - if sa.Port < 0 || sa.Port > 0xFFFF { - return 0, 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 uintptr(unsafe.Pointer(&sa.raw)), SizeofSockaddrInet6, 0 -} - -type SockaddrUnix struct { - Name string - raw RawSockaddrUnix -} - -func (sa *SockaddrUnix) sockaddr() (uintptr, _Socklen, int) { - name := sa.Name - n := len(name) - if n >= len(sa.raw.Path) || n == 0 { - return 0, 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 := 2 + _Socklen(n) + 1 - if sa.raw.Path[0] == '@' { - sa.raw.Path[0] = 0 - // Don't count trailing NUL for abstract address. - sl-- - } - - return uintptr(unsafe.Pointer(&sa.raw)), sl, 0 -} - -type SockaddrLinklayer struct { - Protocol uint16 - Ifindex int - Hatype uint16 - Pkttype uint8 - Halen uint8 - Addr [8]byte - raw RawSockaddrLinklayer -} - -func (sa *SockaddrLinklayer) sockaddr() (uintptr, _Socklen, int) { - if sa.Ifindex < 0 || sa.Ifindex > 0x7fffffff { - return 0, 0, EINVAL - } - sa.raw.Family = AF_PACKET - sa.raw.Protocol = sa.Protocol - sa.raw.Ifindex = int32(sa.Ifindex) - sa.raw.Hatype = sa.Hatype - sa.raw.Pkttype = sa.Pkttype - sa.raw.Halen = sa.Halen - for i := 0; i < len(sa.Addr); i++ { - sa.raw.Addr[i] = sa.Addr[i] - } - return uintptr(unsafe.Pointer(&sa.raw)), SizeofSockaddrLinklayer, 0 -} - -type SockaddrNetlink struct { - Family uint16 - Pad uint16 - Pid uint32 - Groups uint32 - raw RawSockaddrNetlink -} - -func (sa *SockaddrNetlink) sockaddr() (uintptr, _Socklen, int) { - sa.raw.Family = AF_NETLINK - sa.raw.Pad = sa.Pad - sa.raw.Pid = sa.Pid - sa.raw.Groups = sa.Groups - return uintptr(unsafe.Pointer(&sa.raw)), SizeofSockaddrNetlink, 0 -} - -func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, int) { - switch rsa.Addr.Family { - case AF_NETLINK: - pp := (*RawSockaddrNetlink)(unsafe.Pointer(rsa)) - sa := new(SockaddrNetlink) - sa.Family = pp.Family - sa.Pad = pp.Pad - sa.Pid = pp.Pid - sa.Groups = pp.Groups - return sa, 0 - - case AF_PACKET: - pp := (*RawSockaddrLinklayer)(unsafe.Pointer(rsa)) - sa := new(SockaddrLinklayer) - sa.Protocol = pp.Protocol - sa.Ifindex = int(pp.Ifindex) - sa.Hatype = pp.Hatype - sa.Pkttype = pp.Pkttype - sa.Halen = pp.Halen - for i := 0; i < len(sa.Addr); i++ { - sa.Addr[i] = pp.Addr[i] - } - return sa, 0 - - case AF_UNIX: - pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa)) - sa := new(SockaddrUnix) - if pp.Path[0] == 0 { - // "Abstract" Unix domain socket. - // Rewrite leading NUL as @ for textual display. - // (This is the standard convention.) - // Not friendly to overwrite in place, - // but the callers below don't care. - pp.Path[0] = '@' - } - - // Assume path ends at NUL. - // This is not technically the Linux 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, 0 - - 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, 0 - - 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, 0 - } - return nil, EAFNOSUPPORT -} - -func Accept(fd int) (nfd int, sa Sockaddr, errno int) { - var rsa RawSockaddrAny - var len _Socklen = SizeofSockaddrAny - nfd, errno = accept(fd, &rsa, &len) - if errno != 0 { - return - } - sa, errno = anyToSockaddr(&rsa) - if errno != 0 { - Close(nfd) - nfd = 0 - } - return -} - -func Getsockname(fd int) (sa Sockaddr, errno int) { - var rsa RawSockaddrAny - var len _Socklen = SizeofSockaddrAny - if errno = getsockname(fd, &rsa, &len); errno != 0 { - return - } - return anyToSockaddr(&rsa) -} - -func Getpeername(fd int) (sa Sockaddr, errno int) { - var rsa RawSockaddrAny - var len _Socklen = SizeofSockaddrAny - if errno = getpeername(fd, &rsa, &len); errno != 0 { - return - } - return anyToSockaddr(&rsa) -} - -func Bind(fd int, sa Sockaddr) (errno int) { - ptr, n, err := sa.sockaddr() - if err != 0 { - return err - } - return bind(fd, ptr, n) -} - -func Connect(fd int, sa Sockaddr) (errno int) { - ptr, n, err := sa.sockaddr() - if err != 0 { - return err - } - return connect(fd, ptr, n) -} - -func Socket(domain, typ, proto int) (fd, errno int) { - if domain == AF_INET6 && SocketDisableIPv6 { - return -1, EAFNOSUPPORT - } - fd, errno = socket(domain, typ, proto) - return -} - -func Socketpair(domain, typ, proto int) (fd [2]int, errno int) { - errno = socketpair(domain, typ, proto, &fd) - return -} - -func GetsockoptInt(fd, level, opt int) (value, errno int) { - var n int32 - vallen := _Socklen(4) - errno = getsockopt(fd, level, opt, uintptr(unsafe.Pointer(&n)), &vallen) - return int(n), errno -} - -func SetsockoptInt(fd, level, opt int, value int) (errno int) { - var n = int32(value) - return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(&n)), 4) -} - -func SetsockoptTimeval(fd, level, opt int, tv *Timeval) (errno int) { - return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(tv)), unsafe.Sizeof(*tv)) -} - -func SetsockoptLinger(fd, level, opt int, l *Linger) (errno int) { - return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(l)), unsafe.Sizeof(*l)) -} - -func SetsockoptIPMreq(fd, level, opt int, mreq *IPMreq) (errno int) { - return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(mreq)), unsafe.Sizeof(*mreq)) -} - -func SetsockoptIPv6Mreq(fd, level, opt int, mreq *IPv6Mreq) (errno int) { - return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(mreq)), unsafe.Sizeof(*mreq)) -} - -func SetsockoptString(fd, level, opt int, s string) (errno int) { - return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(&[]byte(s)[0])), uintptr(len(s))) -} - -func Recvfrom(fd int, p []byte, flags int) (n int, from Sockaddr, errno int) { - var rsa RawSockaddrAny - var len _Socklen = SizeofSockaddrAny - if n, errno = recvfrom(fd, p, flags, &rsa, &len); errno != 0 { - return - } - from, errno = anyToSockaddr(&rsa) - return -} - -func Sendto(fd int, p []byte, flags int, to Sockaddr) (errno int) { - ptr, n, err := to.sockaddr() - if err != 0 { - return err - } - return sendto(fd, p, flags, ptr, n) -} - -func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, errno int) { - 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 = (*byte)(unsafe.Pointer(&p[0])) - iov.SetLen(len(p)) - } - var dummy byte - if len(oob) > 0 { - // receive at least one normal byte - if len(p) == 0 { - iov.Base = &dummy - iov.SetLen(1) - } - msg.Control = (*byte)(unsafe.Pointer(&oob[0])) - msg.SetControllen(len(oob)) - } - msg.Iov = &iov - msg.Iovlen = 1 - if n, errno = recvmsg(fd, &msg, flags); errno != 0 { - return - } - oobn = int(msg.Controllen) - recvflags = int(msg.Flags) - // source address is only specified if the socket is unconnected - if rsa.Addr.Family != AF_UNSPEC { - from, errno = anyToSockaddr(&rsa) - } - return -} - -func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (errno int) { - var ptr uintptr - var salen _Socklen - if to != nil { - var err int - ptr, salen, err = to.sockaddr() - if err != 0 { - return err - } - } - var msg Msghdr - msg.Name = (*byte)(unsafe.Pointer(ptr)) - msg.Namelen = uint32(salen) - var iov Iovec - if len(p) > 0 { - iov.Base = (*byte)(unsafe.Pointer(&p[0])) - iov.SetLen(len(p)) - } - var dummy byte - if len(oob) > 0 { - // send at least one normal byte - if len(p) == 0 { - iov.Base = &dummy - iov.SetLen(1) - } - msg.Control = (*byte)(unsafe.Pointer(&oob[0])) - msg.SetControllen(len(oob)) - } - msg.Iov = &iov - msg.Iovlen = 1 - if errno = sendmsg(fd, &msg, flags); errno != 0 { - return - } - return -} - -// BindToDevice binds the socket associated with fd to device. -func BindToDevice(fd int, device string) (errno int) { - return SetsockoptString(fd, SOL_SOCKET, SO_BINDTODEVICE, device) -} - -//sys ptrace(request int, pid int, addr uintptr, data uintptr) (errno int) - -func ptracePeek(req int, pid int, addr uintptr, out []byte) (count int, errno int) { - // The peek requests are machine-size oriented, so we wrap it - // to retrieve arbitrary-length data. - - // The ptrace syscall differs from glibc's ptrace. - // Peeks returns the word in *data, not as the return value. - - var buf [sizeofPtr]byte - - // Leading edge. PEEKTEXT/PEEKDATA don't require aligned - // access (PEEKUSER warns that it might), but if we don't - // align our reads, we might straddle an unmapped page - // boundary and not get the bytes leading up to the page - // boundary. - n := 0 - if addr%sizeofPtr != 0 { - errno = ptrace(req, pid, addr-addr%sizeofPtr, uintptr(unsafe.Pointer(&buf[0]))) - if errno != 0 { - return 0, errno - } - n += copy(out, buf[addr%sizeofPtr:]) - out = out[n:] - } - - // Remainder. - for len(out) > 0 { - // We use an internal buffer to gaurantee alignment. - // It's not documented if this is necessary, but we're paranoid. - errno = ptrace(req, pid, addr+uintptr(n), uintptr(unsafe.Pointer(&buf[0]))) - if errno != 0 { - return n, errno - } - copied := copy(out, buf[0:]) - n += copied - out = out[copied:] - } - - return n, 0 -} - -func PtracePeekText(pid int, addr uintptr, out []byte) (count int, errno int) { - return ptracePeek(PTRACE_PEEKTEXT, pid, addr, out) -} - -func PtracePeekData(pid int, addr uintptr, out []byte) (count int, errno int) { - return ptracePeek(PTRACE_PEEKDATA, pid, addr, out) -} - -func ptracePoke(pokeReq int, peekReq int, pid int, addr uintptr, data []byte) (count int, errno int) { - // As for ptracePeek, we need to align our accesses to deal - // with the possibility of straddling an invalid page. - - // Leading edge. - n := 0 - if addr%sizeofPtr != 0 { - var buf [sizeofPtr]byte - errno = ptrace(peekReq, pid, addr-addr%sizeofPtr, uintptr(unsafe.Pointer(&buf[0]))) - if errno != 0 { - return 0, errno - } - n += copy(buf[addr%sizeofPtr:], data) - word := *((*uintptr)(unsafe.Pointer(&buf[0]))) - errno = ptrace(pokeReq, pid, addr-addr%sizeofPtr, word) - if errno != 0 { - return 0, errno - } - data = data[n:] - } - - // Interior. - for len(data) > sizeofPtr { - word := *((*uintptr)(unsafe.Pointer(&data[0]))) - errno = ptrace(pokeReq, pid, addr+uintptr(n), word) - if errno != 0 { - return n, errno - } - n += sizeofPtr - data = data[sizeofPtr:] - } - - // Trailing edge. - if len(data) > 0 { - var buf [sizeofPtr]byte - errno = ptrace(peekReq, pid, addr+uintptr(n), uintptr(unsafe.Pointer(&buf[0]))) - if errno != 0 { - return n, errno - } - copy(buf[0:], data) - word := *((*uintptr)(unsafe.Pointer(&buf[0]))) - errno = ptrace(pokeReq, pid, addr+uintptr(n), word) - if errno != 0 { - return n, errno - } - n += len(data) - } - - return n, 0 -} - -func PtracePokeText(pid int, addr uintptr, data []byte) (count int, errno int) { - return ptracePoke(PTRACE_POKETEXT, PTRACE_PEEKTEXT, pid, addr, data) -} - -func PtracePokeData(pid int, addr uintptr, data []byte) (count int, errno int) { - return ptracePoke(PTRACE_POKEDATA, PTRACE_PEEKDATA, pid, addr, data) -} - -func PtraceGetRegs(pid int, regsout *PtraceRegs) (errno int) { - return ptrace(PTRACE_GETREGS, pid, 0, uintptr(unsafe.Pointer(regsout))) -} - -func PtraceSetRegs(pid int, regs *PtraceRegs) (errno int) { - return ptrace(PTRACE_SETREGS, pid, 0, uintptr(unsafe.Pointer(regs))) -} - -func PtraceSetOptions(pid int, options int) (errno int) { - return ptrace(PTRACE_SETOPTIONS, pid, 0, uintptr(options)) -} - -func PtraceGetEventMsg(pid int) (msg uint, errno int) { - var data _C_long - errno = ptrace(PTRACE_GETEVENTMSG, pid, 0, uintptr(unsafe.Pointer(&data))) - msg = uint(data) - return -} - -func PtraceCont(pid int, signal int) (errno int) { - return ptrace(PTRACE_CONT, pid, 0, uintptr(signal)) -} - -func PtraceSingleStep(pid int) (errno int) { return ptrace(PTRACE_SINGLESTEP, pid, 0, 0) } - -func PtraceAttach(pid int) (errno int) { return ptrace(PTRACE_ATTACH, pid, 0, 0) } - -func PtraceDetach(pid int) (errno int) { return ptrace(PTRACE_DETACH, pid, 0, 0) } - -//sys reboot(magic1 uint, magic2 uint, cmd int, arg string) (errno int) -func Reboot(cmd int) (errno int) { - return reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, cmd, "") -} - -func clen(n []byte) int { - for i := 0; i < len(n); i++ { - if n[i] == 0 { - return i - } - } - return len(n) -} - -func ReadDirent(fd int, buf []byte) (n int, errno int) { - return Getdents(fd, buf) -} - -func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) { - origlen := len(buf) - count = 0 - for max != 0 && len(buf) > 0 { - dirent := (*Dirent)(unsafe.Pointer(&buf[0])) - 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 -} - -// Sendto -// Recvfrom -// Socketpair - -/* - * Direct access - */ -//sys Access(path string, mode uint32) (errno int) -//sys Acct(path string) (errno int) -//sys Adjtimex(buf *Timex) (state int, errno int) -//sys Chdir(path string) (errno int) -//sys Chmod(path string, mode uint32) (errno int) -//sys Chroot(path string) (errno int) -//sys Close(fd int) (errno int) -//sys Creat(path string, mode uint32) (fd int, errno int) -//sysnb Dup(oldfd int) (fd int, errno int) -//sysnb Dup2(oldfd int, newfd int) (fd int, errno int) -//sysnb EpollCreate(size int) (fd int, errno int) -//sysnb EpollCtl(epfd int, op int, fd int, event *EpollEvent) (errno int) -//sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, errno int) -//sys Exit(code int) = SYS_EXIT_GROUP -//sys Faccessat(dirfd int, path string, mode uint32, flags int) (errno int) -//sys Fallocate(fd int, mode uint32, off int64, len int64) (errno int) -//sys Fchdir(fd int) (errno int) -//sys Fchmod(fd int, mode uint32) (errno int) -//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (errno int) -//sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (errno int) -//sys fcntl(fd int, cmd int, arg int) (val int, errno int) -//sys Fdatasync(fd int) (errno int) -//sys Fsync(fd int) (errno int) -//sys Getdents(fd int, buf []byte) (n int, errno int) = SYS_GETDENTS64 -//sysnb Getpgid(pid int) (pgid int, errno int) -//sysnb Getpgrp() (pid int) -//sysnb Getpid() (pid int) -//sysnb Getppid() (ppid int) -//sysnb Getrlimit(resource int, rlim *Rlimit) (errno int) -//sysnb Getrusage(who int, rusage *Rusage) (errno int) -//sysnb Gettid() (tid int) -//sys InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, errno int) -//sysnb InotifyInit() (fd int, errno int) -//sysnb InotifyInit1(flags int) (fd int, errno int) -//sysnb InotifyRmWatch(fd int, watchdesc uint32) (success int, errno int) -//sysnb Kill(pid int, sig int) (errno int) -//sys Klogctl(typ int, buf []byte) (n int, errno int) = SYS_SYSLOG -//sys Link(oldpath string, newpath string) (errno int) -//sys Mkdir(path string, mode uint32) (errno int) -//sys Mkdirat(dirfd int, path string, mode uint32) (errno int) -//sys Mknod(path string, mode uint32, dev int) (errno int) -//sys Mknodat(dirfd int, path string, mode uint32, dev int) (errno int) -//sys Mount(source string, target string, fstype string, flags int, data string) (errno int) -//sys Nanosleep(time *Timespec, leftover *Timespec) (errno int) -//sys Pause() (errno int) -//sys PivotRoot(newroot string, putold string) (errno int) = SYS_PIVOT_ROOT -//sys Read(fd int, p []byte) (n int, errno int) -//sys Readlink(path string, buf []byte) (n int, errno int) -//sys Rename(oldpath string, newpath string) (errno int) -//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (errno int) -//sys Rmdir(path string) (errno int) -//sys Setdomainname(p []byte) (errno int) -//sys Sethostname(p []byte) (errno int) -//sysnb Setpgid(pid int, pgid int) (errno int) -//sysnb Setrlimit(resource int, rlim *Rlimit) (errno int) -//sysnb Setsid() (pid int, errno int) -//sysnb Settimeofday(tv *Timeval) (errno int) -//sysnb Setuid(uid int) (errno int) -//sys Symlink(oldpath string, newpath string) (errno int) -//sys Sync() -//sysnb Sysinfo(info *Sysinfo_t) (errno int) -//sys Tee(rfd int, wfd int, len int, flags int) (n int64, errno int) -//sysnb Tgkill(tgid int, tid int, sig int) (errno int) -//sysnb Times(tms *Tms) (ticks uintptr, errno int) -//sysnb Umask(mask int) (oldmask int) -//sysnb Uname(buf *Utsname) (errno int) -//sys Unlink(path string) (errno int) -//sys Unlinkat(dirfd int, path string) (errno int) -//sys Unmount(target string, flags int) (errno int) = SYS_UMOUNT2 -//sys Unshare(flags int) (errno int) -//sys Ustat(dev int, ubuf *Ustat_t) (errno int) -//sys Utime(path string, buf *Utimbuf) (errno int) -//sys Write(fd int, p []byte) (n int, errno int) -//sys exitThread(code int) (errno int) = SYS_EXIT -//sys read(fd int, p *byte, np int) (n int, errno int) -//sys write(fd int, p *byte, np int) (n int, errno int) - -// mmap varies by architecture; see syscall_linux_*.go. -//sys munmap(addr uintptr, length uintptr) (errno int) - -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, errno int) { - return mapper.Mmap(fd, offset, length, prot, flags) -} - -func Munmap(b []byte) (errno int) { - return mapper.Munmap(b) -} - -//sys Madvise(b []byte, advice int) (errno int) -//sys Mprotect(b []byte, prot int) (errno int) -//sys Mlock(b []byte) (errno int) -//sys Munlock(b []byte) (errno int) -//sys Mlockall(flags int) (errno int) -//sys Munlockall() (errno int) - -/* - * Unimplemented - */ -// AddKey -// AfsSyscall -// Alarm -// ArchPrctl -// Brk -// Capget -// Capset -// ClockGetres -// ClockGettime -// ClockNanosleep -// ClockSettime -// Clone -// CreateModule -// DeleteModule -// EpollCtlOld -// EpollPwait -// EpollWaitOld -// Eventfd -// Execve -// Fadvise64 -// Fgetxattr -// Flistxattr -// Flock -// Fork -// Fremovexattr -// Fsetxattr -// Futex -// GetKernelSyms -// GetMempolicy -// GetRobustList -// GetThreadArea -// Getitimer -// Getpmsg -// Getpriority -// Getxattr -// IoCancel -// IoDestroy -// IoGetevents -// IoSetup -// IoSubmit -// Ioctl -// IoprioGet -// IoprioSet -// KexecLoad -// Keyctl -// Lgetxattr -// Listxattr -// Llistxattr -// LookupDcookie -// Lremovexattr -// Lsetxattr -// Mbind -// MigratePages -// Mincore -// ModifyLdt -// Mount -// MovePages -// Mprotect -// MqGetsetattr -// MqNotify -// MqOpen -// MqTimedreceive -// MqTimedsend -// MqUnlink -// Mremap -// Msgctl -// Msgget -// Msgrcv -// Msgsnd -// Msync -// Newfstatat -// Nfsservctl -// Personality -// Poll -// Ppoll -// Prctl -// Pselect6 -// Ptrace -// Putpmsg -// QueryModule -// Quotactl -// Readahead -// Readv -// RemapFilePages -// Removexattr -// RequestKey -// RestartSyscall -// RtSigaction -// RtSigpending -// RtSigprocmask -// RtSigqueueinfo -// RtSigreturn -// RtSigsuspend -// RtSigtimedwait -// SchedGetPriorityMax -// SchedGetPriorityMin -// SchedGetaffinity -// SchedGetparam -// SchedGetscheduler -// SchedRrGetInterval -// SchedSetaffinity -// SchedSetparam -// SchedYield -// Security -// Semctl -// Semget -// Semop -// Semtimedop -// SetMempolicy -// SetRobustList -// SetThreadArea -// SetTidAddress -// Setpriority -// Setxattr -// Shmat -// Shmctl -// Shmdt -// Shmget -// Sigaltstack -// Signalfd -// Swapoff -// Swapon -// Sysfs -// TimerCreate -// TimerDelete -// TimerGetoverrun -// TimerGettime -// TimerSettime -// Timerfd -// Tkill (obsolete) -// Tuxcall -// Umount2 -// Uselib -// Utimensat -// Vfork -// Vhangup -// Vmsplice -// Vserver -// Waitid -// Writev -// _Sysctl |