diff options
Diffstat (limited to 'src/pkg/syscall/syscall_linux.go')
| -rw-r--r-- | src/pkg/syscall/syscall_linux.go | 123 |
1 files changed, 93 insertions, 30 deletions
diff --git a/src/pkg/syscall/syscall_linux.go b/src/pkg/syscall/syscall_linux.go index 30ad89646..2b221bd60 100644 --- a/src/pkg/syscall/syscall_linux.go +++ b/src/pkg/syscall/syscall_linux.go @@ -29,7 +29,7 @@ func Openat(dirfd int, path string, flags int, mode uint32) (fd int, errno int) return openat(dirfd, path, flags|O_LARGEFILE, mode) } -//sys pipe(p *[2]_C_int) (errno int) +//sysnb pipe(p *[2]_C_int) (errno int) func Pipe(p []int) (errno int) { if len(p) != 2 { return EINVAL @@ -60,7 +60,7 @@ func Futimesat(dirfd int, path string, tv []Timeval) (errno int) { 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/"+str(fd), tv) + return Utimes("/proc/self/fd/"+itoa(fd), tv) } const ImplementsGetwd = true @@ -415,6 +415,13 @@ func Socketpair(domain, typ, proto int) (fd [2]int, errno int) { 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) @@ -667,10 +674,48 @@ 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 -// Getsockopt /* * Direct access @@ -683,10 +728,10 @@ func PtraceDetach(pid int) (errno int) { return ptrace(PTRACE_DETACH, pid, 0, 0) //sys Chroot(path string) (errno int) //sys Close(fd int) (errno int) //sys Creat(path string, mode uint32) (fd int, errno int) -//sys Dup(oldfd int) (fd int, errno int) -//sys Dup2(oldfd int, newfd int) (fd int, errno int) -//sys EpollCreate(size int) (fd int, errno int) -//sys EpollCtl(epfd int, op int, fd int, event *EpollEvent) (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) @@ -699,24 +744,25 @@ func PtraceDetach(pid int) (errno int) { return ptrace(PTRACE_DETACH, pid, 0, 0) //sys Fdatasync(fd int) (errno int) //sys Fsync(fd int) (errno int) //sys Getdents(fd int, buf []byte) (n int, errno int) = SYS_GETDENTS64 -//sys Getpgid(pid int) (pgid int, errno int) -//sys Getpgrp() (pid int) -//sys Getpid() (pid int) -//sys Getppid() (ppid int) -//sys Getrlimit(resource int, rlim *Rlimit) (errno int) -//sys Getrusage(who int, rusage *Rusage) (errno int) -//sys Gettid() (tid int) -//sys InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, errno int) -//sys InotifyInit() (fd int, errno int) -//sys InotifyInit1(flags int) (fd int, errno int) -//sys InotifyRmWatch(fd int, watchdesc uint32) (success int, errno int) -//sys Kill(pid int, sig int) (errno int) +//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 @@ -727,21 +773,22 @@ func PtraceDetach(pid int) (errno int) { return ptrace(PTRACE_DETACH, pid, 0, 0) //sys Rmdir(path string) (errno int) //sys Setdomainname(p []byte) (errno int) //sys Sethostname(p []byte) (errno int) -//sys Setpgid(pid int, pgid int) (errno int) -//sys Setrlimit(resource int, rlim *Rlimit) (errno int) -//sys Setsid() (pid int, errno int) -//sys Settimeofday(tv *Timeval) (errno int) -//sys Setuid(uid int) (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() -//sys Sysinfo(info *Sysinfo_t) (errno int) +//sysnb Sysinfo(info *Sysinfo_t) (errno int) //sys Tee(rfd int, wfd int, len int, flags int) (n int64, errno int) -//sys Tgkill(tgid int, tid int, sig int) (errno int) -//sys Times(tms *Tms) (ticks uintptr, errno int) -//sys Umask(mask int) (oldmask int) -//sys Uname(buf *Utsname) (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) @@ -750,6 +797,23 @@ func PtraceDetach(pid int) (errno int) { return ptrace(PTRACE_DETACH, pid, 0, 0) //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) +} + /* * Unimplemented */ @@ -842,7 +906,6 @@ func PtraceDetach(pid int) (errno int) { return ptrace(PTRACE_DETACH, pid, 0, 0) // Quotactl // Readahead // Readv -// Reboot // RemapFilePages // Removexattr // RequestKey |