import "unsafe"
-//sys Openat(dirfd int, path string, flags int, mode uint32) (fd int, errno int)
+//sys Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error)
//openat(dirfd int, path *byte, flags int, mode Mode_t) int
-//sys futimesat(dirfd int, path *byte, times *[2]Timeval) (errno int)
+//sys futimesat(dirfd int, path *byte, times *[2]Timeval) (err error)
//futimesat(dirfd int, path *byte, times *[2]Timeval) int
-func Futimesat(dirfd int, path string, tv []Timeval) (errno int) {
+func Futimesat(dirfd int, path string, tv []Timeval) (err error) {
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
+func Futimes(fd int, tv []Timeval) (err error) {
+ // Believe it or not, this is the best we can do on GNU/Linux
// (and is what glibc does).
return Utimes("/proc/self/fd/"+itoa(fd), tv)
}
-//sys ptrace(request int, pid int, addr uintptr, data uintptr) (errno int)
+//sys ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
//ptrace(request int, pid Pid_t, addr *byte, data *byte) _C_long
-func ptracePeek(req int, pid int, addr uintptr, out []byte) (count int, errno int) {
+//sysnb raw_ptrace(request int, pid int, addr *byte, data *byte) (err Errno)
+//ptrace(request int, pid Pid_t, addr *byte, data *byte) _C_long
+
+func ptracePeek(req int, pid int, addr uintptr, out []byte) (count int, err error) {
// The peek requests are machine-size oriented, so we wrap it
// to retrieve arbitrary-length data.
// 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
+ err = ptrace(req, pid, addr-addr%sizeofPtr, uintptr(unsafe.Pointer(&buf[0])))
+ if err != nil {
+ return 0, err
}
n += copy(out, buf[addr%sizeofPtr:])
out = out[n:]
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
+ err = ptrace(req, pid, addr+uintptr(n), uintptr(unsafe.Pointer(&buf[0])))
+ if err != nil {
+ return n, err
}
copied := copy(out, buf[0:])
n += copied
out = out[copied:]
}
- return n, 0
+ return n, nil
}
-func PtracePeekText(pid int, addr uintptr, out []byte) (count int, errno int) {
+func PtracePeekText(pid int, addr uintptr, out []byte) (count int, err error) {
return ptracePeek(PTRACE_PEEKTEXT, pid, addr, out)
}
-func PtracePeekData(pid int, addr uintptr, out []byte) (count int, errno int) {
+func PtracePeekData(pid int, addr uintptr, out []byte) (count int, err error) {
return ptracePeek(PTRACE_PEEKDATA, pid, addr, out)
}
-func ptracePoke(pokeReq int, peekReq int, pid int, addr uintptr, data []byte) (count int, errno int) {
+func ptracePoke(pokeReq int, peekReq int, pid int, addr uintptr, data []byte) (count int, err error) {
// As for ptracePeek, we need to align our accesses to deal
// with the possibility of straddling an invalid page.
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
+ err = ptrace(peekReq, pid, addr-addr%sizeofPtr, uintptr(unsafe.Pointer(&buf[0])))
+ if err != nil {
+ return 0, err
}
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
+ err = ptrace(pokeReq, pid, addr-addr%sizeofPtr, word)
+ if err != nil {
+ return 0, err
}
data = data[n:]
}
// Interior.
for len(data) > int(sizeofPtr) {
word := *((*uintptr)(unsafe.Pointer(&data[0])))
- errno = ptrace(pokeReq, pid, addr+uintptr(n), word)
- if errno != 0 {
- return n, errno
+ err = ptrace(pokeReq, pid, addr+uintptr(n), word)
+ if err != nil {
+ return n, err
}
n += int(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
+ err = ptrace(peekReq, pid, addr+uintptr(n), uintptr(unsafe.Pointer(&buf[0])))
+ if err != nil {
+ return n, err
}
copy(buf[0:], data)
word := *((*uintptr)(unsafe.Pointer(&buf[0])))
- errno = ptrace(pokeReq, pid, addr+uintptr(n), word)
- if errno != 0 {
- return n, errno
+ err = ptrace(pokeReq, pid, addr+uintptr(n), word)
+ if err != nil {
+ return n, err
}
n += len(data)
}
- return n, 0
+ return n, nil
}
-func PtracePokeText(pid int, addr uintptr, data []byte) (count int, errno int) {
+func PtracePokeText(pid int, addr uintptr, data []byte) (count int, err error) {
return ptracePoke(PTRACE_POKETEXT, PTRACE_PEEKTEXT, pid, addr, data)
}
-func PtracePokeData(pid int, addr uintptr, data []byte) (count int, errno int) {
+func PtracePokeData(pid int, addr uintptr, data []byte) (count int, err error) {
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) {
+func PtraceSetOptions(pid int, options int) (err error) {
return ptrace(PTRACE_SETOPTIONS, pid, 0, uintptr(options))
}
-func PtraceGetEventMsg(pid int) (msg uint, errno int) {
+func PtraceGetEventMsg(pid int) (msg uint, err error) {
var data _C_long
- errno = ptrace(PTRACE_GETEVENTMSG, pid, 0, uintptr(unsafe.Pointer(&data)))
+ err = ptrace(PTRACE_GETEVENTMSG, pid, 0, uintptr(unsafe.Pointer(&data)))
msg = uint(data)
return
}
-func PtraceCont(pid int, signal int) (errno int) {
+func PtraceCont(pid int, signal int) (err error) {
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 PtraceSingleStep(pid int) (err error) { return ptrace(PTRACE_SINGLESTEP, pid, 0, 0) }
-func PtraceDetach(pid int) (errno int) { return ptrace(PTRACE_DETACH, pid, 0, 0) }
+func PtraceAttach(pid int) (err error) { return ptrace(PTRACE_ATTACH, pid, 0, 0) }
-// FIXME: mksysinfo needs to produce LINUX_REBOOT_MAGIC[12].
+func PtraceDetach(pid int) (err error) { return ptrace(PTRACE_DETACH, pid, 0, 0) }
-// //sys reboot(magic1 uint, magic2 uint, cmd int, arg string) (errno int)
-// //reboot(magic1 uint, magic2 uint, cmd int, arg *byte) int
-// func Reboot(cmd int) (errno int) {
-// return reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, cmd, "")
-// }
+//sys reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error)
+//reboot(magic1 uint, magic2 uint, cmd int, arg *byte) int
+func Reboot(cmd int) (err error) {
+ return reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, cmd, "")
+}
-//sys Acct(path string) (errno int)
+//sys Acct(path string) (err error)
//acct(path *byte) int
-// FIXME: mksysinfo Timex
-// //sys Adjtimex(buf *Timex) (state int, errno int)
-// //adjtimex(buf *Timex) int
+//sys Adjtimex(buf *Timex) (state int, err error)
+//adjtimex(buf *Timex) int
-//sys Faccessat(dirfd int, path string, mode uint32, flags int) (errno int)
+//sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
//faccessat(dirfd int, pathname *byte, mode int, flags int) int
-//sys Fallocate(fd int, mode uint32, off int64, len int64) (errno int)
+//sys Fallocate(fd int, mode uint32, off int64, len int64) (err error)
//fallocate(fd int, mode int, offset Offset_t, len Offset_t) int
-//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (errno int)
+//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
//fchmodat(dirfd int, pathname *byte, mode Mode_t, flags int) int
-//sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (errno int)
+//sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
//fchownat(dirfd int, path *byte, owner Uid_t, group Gid_t, flags int) int
-// FIXME: mksysinfo statfs
-// //sys Fstatfs(fd int, buf *Statfs_t) (errno int)
-// //fstatfs(fd int, buf *Statfs_t) int
+//sys Flock(fd int, how int) (err error)
+//flock(fd int, how int) int
-//sys Ioperm(from int, num int, on int) (errno int)
-//ioperm(from _C_long, num _C_long, on int) int
+//sys Fstatfs(fd int, buf *Statfs_t) (err error)
+//fstatfs(fd int, buf *Statfs_t) int
-//sys Iopl(level int) (errno int)
-//iopl(level int) int
+func Gettid() (tid int) {
+ r1, _, _ := Syscall(SYS_GETTID, 0, 0, 0)
+ return int(r1)
+}
-// FIXME: mksysinfo linux_dirent
-// Or just abandon this function.
-// //sys Getdents(fd int, buf []byte) (n int, errno int)
-// //getdents64(fd int, buf *byte, count uint)
+func Getdents(fd int, buf []byte) (n int, err error) {
+ var p *byte
+ if len(buf) > 0 {
+ p = &buf[0]
+ } else {
+ p = (*byte)(unsafe.Pointer(&_zero))
+ }
+ Entersyscall()
+ s := SYS_GETDENTS64
+ if s == 0 {
+ s = SYS_GETDENTS
+ }
+ r1, _, errno := Syscall(uintptr(s), uintptr(fd), uintptr(unsafe.Pointer(p)), uintptr(len(buf)))
+ n = int(r1)
+ if n < 0 {
+ err = errno
+ }
+ Exitsyscall()
+ return
+}
-//sys InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, errno int)
+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, err error) {
+ 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
+}
+
+//sys InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, err error)
//inotify_add_watch(fd int, pathname *byte, mask uint32) int
-//sysnb InotifyInit() (fd int, errno int)
+//sysnb InotifyInit() (fd int, err error)
//inotify_init() int
-//sysnb InotifyInit1(flags int) (fd int, errno int)
+//sysnb InotifyInit1(flags int) (fd int, err error)
//inotify_init1(flags int) int
-//sysnb InotifyRmWatch(fd int, watchdesc uint32) (success int, errno int)
+//sysnb InotifyRmWatch(fd int, watchdesc uint32) (success int, err error)
//inotify_rm_watch(fd int, wd uint32) int
-//sys Klogctl(typ int, buf []byte) (n int, errno int)
+//sys Klogctl(typ int, buf []byte) (n int, err error)
//klogctl(typ int, bufp *byte, len int) int
-//sys Mkdirat(dirfd int, path string, mode uint32) (errno int)
+//sys Mkdirat(dirfd int, path string, mode uint32) (err error)
//mkdirat(dirfd int, path *byte, mode Mode_t) int
-//sys Mknodat(dirfd int, path string, mode uint32, dev int) (errno int)
+//sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
//mknodat(dirfd int, path *byte, mode Mode_t, dev _dev_t) int
-//sys PivotRoot(newroot string, putold string) (errno int)
+//sys PivotRoot(newroot string, putold string) (err error)
//pivot_root(newroot *byte, putold *byte) int
-//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (errno int)
+//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
//renameat(olddirfd int, oldpath *byte, newdirfd int, newpath *byte) int
-//sys sendfile(outfd int, infd int, offset *Offset_t, count int) (written int, errno int)
+//sys sendfile(outfd int, infd int, offset *Offset_t, count int) (written int, err error)
//sendfile64(outfd int, infd int, offset *Offset_t, count Size_t) Ssize_t
-func Sendfile(outfd int, infd int, offset *int64, count int) (written int, errno int) {
+func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
var soff Offset_t
var psoff *Offset_t
if offset != nil {
psoff = &soff
}
- written, errno = sendfile(outfd, infd, psoff, count)
+ written, err = sendfile(outfd, infd, psoff, count)
if offset != nil {
*offset = int64(soff)
}
return
}
-//sys Setfsgid(gid int) (errno int)
+//sys Setfsgid(gid int) (err error)
//setfsgid(gid Gid_t) int
-//sys Setfsuid(uid int) (errno int)
+//sys Setfsuid(uid int) (err error)
//setfsuid(uid Uid_t) int
-//sysnb Setresgid(rgid int, egid int, sgid int) (errno int)
+//sysnb Setresgid(rgid int, egid int, sgid int) (err error)
//setresgid(rgid Gid_t, egid Gid_t, sgid Gid_t) int
-//sysnb Setresuid(ruid int, eguid int, suid int) (errno int)
+//sysnb Setresuid(ruid int, eguid int, suid int) (err error)
//setresuid(ruid Uid_t, euid Uid_t, suid Uid_t) int
-//sys splice(rfd int, roff *_loff_t, wfd int, woff *_loff_t, len int, flags int) (n int64, errno int)
+//sys splice(rfd int, roff *_loff_t, wfd int, woff *_loff_t, len int, flags int) (n int64, err error)
//splice(rfd int, roff *_loff_t, wfd int, woff *_loff_t, len Size_t, flags uint) Ssize_t
-func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, errno int) {
+func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) {
var lroff _loff_t
var plroff *_loff_t
- if (roff != nil) {
+ if roff != nil {
+ lroff = _loff_t(*roff)
plroff = &lroff
}
var lwoff _loff_t
var plwoff *_loff_t
- if (woff != nil) {
+ if woff != nil {
+ lwoff = _loff_t(*woff)
plwoff = &lwoff
}
- n, errno = splice(rfd, plroff, wfd, plwoff, len, flags)
- if (roff != nil) {
+ n, err = splice(rfd, plroff, wfd, plwoff, len, flags)
+ if roff != nil {
*roff = int64(lroff)
}
- if (woff != nil) {
+ if woff != nil {
*woff = int64(lwoff)
}
return
}
-// FIXME: mksysinfo statfs
-// //sys Statfs(path string, buf *Statfs_t) (errno int)
-// //statfs(path *byte, buf *Statfs_t) int
+//sys Statfs(path string, buf *Statfs_t) (err error)
+//statfs(path *byte, buf *Statfs_t) int
-//sys SyncFileRange(fd int, off int64, n int64, flags int) (errno int)
+//sys SyncFileRange(fd int, off int64, n int64, flags int) (err error)
//sync_file_range(fd int, off Offset_t, n Offset_t, flags uint) int
-// FIXME: mksysinfo Sysinfo_t
-// //sysnb Sysinfo(info *Sysinfo_t) (errno int)
-// //sysinfo(info *Sysinfo_t) int
+//sysnb Sysinfo(info *Sysinfo_t) (err error)
+//sysinfo(info *Sysinfo_t) int
-//sys Tee(rfd int, wfd int, len int, flags int) (n int64, errno int)
+//sys Tee(rfd int, wfd int, len int, flags int) (n int64, err error)
//tee(rfd int, wfd int, len Size_t, flags uint) Ssize_t
-//sysnb Tgkill(tgid int, tid int, sig int) (errno int)
-//tgkill(tgid int, tid int, sig int) int
+func Tgkill(tgid int, tid int, sig Signal) error {
+ r1, _, errno := Syscall(SYS_TGKILL, uintptr(tgid), uintptr(tid), uintptr(sig))
+ if r1 < 0 {
+ return errno
+ }
+ return nil
+}
-//sys unlinkat(dirfd int, path string, flags int) (errno int)
+//sys unlinkat(dirfd int, path string, flags int) (err error)
//unlinkat(dirfd int, path *byte, flags int) int
-func Unlinkat(dirfd int, path string) (errno int) {
+func Unlinkat(dirfd int, path string) (err error) {
return unlinkat(dirfd, path, 0)
}
-//sys Unmount(target string, flags int) (errno int) = SYS_UMOUNT2
+//sys Unmount(target string, flags int) (err error) = SYS_UMOUNT2
//umount2(target *byte, flags int) int
-//sys Unshare(flags int) (errno int)
+//sys Unshare(flags int) (err error)
//unshare(flags int) int
-// FIXME: mksysinfo Ustat_t
-// //sys Ustat(dev int, ubuf *Ustat_t) (errno int)
-// //ustat(dev _dev_t, ubuf *Ustat_t) int
+//sys Ustat(dev int, ubuf *Ustat_t) (err error)
+//ustat(dev _dev_t, ubuf *Ustat_t) int
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