diff options
author | 2019-08-02 15:07:53 +0200 | |
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committer | 2019-08-02 15:07:53 +0200 | |
commit | ca6003af1a7e1adb7d45879c2d5038bc05c2bb1a (patch) | |
tree | 97a3620b0fc5c7a0ee032fe7d12d37b6303cfb01 /vendor/golang.org/x/sys/unix/syscall_bsd.go | |
parent | 639870b5083a1e66f4584ec7a5f30492fcdb7168 (diff) |
Migrate to modules, refactor Makefile and use Travis for CI
- migrate to Go modules and remove vendor
- refactor Makefile
- add version package and store version
- split extras from the rest
- use travis for CI
Change-Id: I81b35220653b0f7c9a0fcdd4c527d691ec1e96c1
Signed-off-by: Ondrej Fabry <ofabry@cisco.com>
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_bsd.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_bsd.go | 614 |
1 files changed, 0 insertions, 614 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_bsd.go b/vendor/golang.org/x/sys/unix/syscall_bsd.go deleted file mode 100644 index ccb29c7..0000000 --- a/vendor/golang.org/x/sys/unix/syscall_bsd.go +++ /dev/null @@ -1,614 +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. - -// +build darwin dragonfly freebsd netbsd openbsd - -// BSD system call wrappers shared by *BSD based systems -// including OS X (Darwin) and FreeBSD. Like the other -// syscall_*.go files it is compiled as Go code but also -// used as input to mksyscall which parses the //sys -// lines and generates system call stubs. - -package unix - -import ( - "runtime" - "syscall" - "unsafe" -) - -/* - * 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) - if err != nil { - return nil, err - } - if n == 0 { - return nil, nil - } - - // Sanity check group count. Max is 16 on BSD. - if n < 0 || n > 1000 { - return nil, EINVAL - } - - a := make([]_Gid_t, n) - n, err = getgroups(n, &a[0]) - if err != nil { - 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. - // 64 bits should be enough. (32 bits isn't even on 386). Since the - // actual system call is getdirentries64, 64 is a good guess. - // TODO(rsc): Can we use a single global basep for all calls? - var base = (*uintptr)(unsafe.Pointer(new(uint64))) - return Getdirentries(fd, buf, base) -} - -// 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 } - -//sys wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err error) - -func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) { - var status _C_int - wpid, err = wait4(pid, &status, options, rusage) - if wstatus != nil { - *wstatus = WaitStatus(status) - } - return -} - -//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) -//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) -//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) -//sysnb socket(domain int, typ int, proto int) (fd int, err error) -//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) -//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) -//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) -//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) -//sys Shutdown(s int, how int) (err error) - -func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) { - if sa.Port < 0 || sa.Port > 0xFFFF { - return nil, 0, EINVAL - } - sa.raw.Len = SizeofSockaddrInet4 - 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), _Socklen(sa.raw.Len), nil -} - -func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, _Socklen, error) { - if sa.Port < 0 || sa.Port > 0xFFFF { - return nil, 0, EINVAL - } - sa.raw.Len = SizeofSockaddrInet6 - 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), _Socklen(sa.raw.Len), nil -} - -func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) { - name := sa.Name - n := len(name) - if n >= len(sa.raw.Path) || n == 0 { - return nil, 0, EINVAL - } - sa.raw.Len = byte(3 + n) // 2 for Family, Len; 1 for NUL - sa.raw.Family = AF_UNIX - for i := 0; i < n; i++ { - sa.raw.Path[i] = int8(name[i]) - } - return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil -} - -func (sa *SockaddrDatalink) sockaddr() (unsafe.Pointer, _Socklen, error) { - if sa.Index == 0 { - return nil, 0, EINVAL - } - sa.raw.Len = sa.Len - sa.raw.Family = AF_LINK - sa.raw.Index = sa.Index - sa.raw.Type = sa.Type - sa.raw.Nlen = sa.Nlen - sa.raw.Alen = sa.Alen - sa.raw.Slen = sa.Slen - for i := 0; i < len(sa.raw.Data); i++ { - sa.raw.Data[i] = sa.Data[i] - } - return unsafe.Pointer(&sa.raw), SizeofSockaddrDatalink, nil -} - -func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) { - switch rsa.Addr.Family { - case AF_LINK: - pp := (*RawSockaddrDatalink)(unsafe.Pointer(rsa)) - sa := new(SockaddrDatalink) - sa.Len = pp.Len - sa.Family = pp.Family - sa.Index = pp.Index - sa.Type = pp.Type - sa.Nlen = pp.Nlen - sa.Alen = pp.Alen - sa.Slen = pp.Slen - for i := 0; i < len(sa.Data); i++ { - sa.Data[i] = pp.Data[i] - } - return sa, nil - - case AF_UNIX: - pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa)) - if pp.Len < 2 || pp.Len > SizeofSockaddrUnix { - return nil, EINVAL - } - sa := new(SockaddrUnix) - - // Some BSDs include the trailing NUL in the length, whereas - // others do not. Work around this by subtracting the leading - // family and len. The path is then scanned to see if a NUL - // terminator still exists within the length. - n := int(pp.Len) - 2 // subtract leading Family, Len - for i := 0; i < n; i++ { - if pp.Path[i] == 0 { - // found early NUL; assume Len included the NUL - // or was overestimating. - n = i - break - } - } - 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 -} - -func Accept(fd int) (nfd int, sa Sockaddr, err error) { - var rsa RawSockaddrAny - var len _Socklen = SizeofSockaddrAny - nfd, err = accept(fd, &rsa, &len) - if err != nil { - return - } - if runtime.GOOS == "darwin" && len == 0 { - // Accepted socket has no address. - // This is likely due to a bug in xnu kernels, - // where instead of ECONNABORTED error socket - // is accepted, but has no address. - Close(nfd) - return 0, nil, ECONNABORTED - } - sa, err = anyToSockaddr(&rsa) - if err != nil { - Close(nfd) - nfd = 0 - } - return -} - -func Getsockname(fd int) (sa Sockaddr, err error) { - var rsa RawSockaddrAny - var len _Socklen = SizeofSockaddrAny - if err = getsockname(fd, &rsa, &len); err != nil { - return - } - // TODO(jsing): DragonFly has a "bug" (see issue 3349), which should be - // reported upstream. - if runtime.GOOS == "dragonfly" && rsa.Addr.Family == AF_UNSPEC && rsa.Addr.Len == 0 { - rsa.Addr.Family = AF_UNIX - rsa.Addr.Len = SizeofSockaddrUnix - } - return anyToSockaddr(&rsa) -} - -//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) - -func GetsockoptByte(fd, level, opt int) (value byte, err error) { - var n byte - vallen := _Socklen(1) - err = getsockopt(fd, level, opt, unsafe.Pointer(&n), &vallen) - return n, err -} - -func GetsockoptInet4Addr(fd, level, opt int) (value [4]byte, err error) { - vallen := _Socklen(4) - err = getsockopt(fd, level, opt, unsafe.Pointer(&value[0]), &vallen) - return value, err -} - -func GetsockoptIPMreq(fd, level, opt int) (*IPMreq, error) { - var value IPMreq - vallen := _Socklen(SizeofIPMreq) - err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) - return &value, err -} - -func GetsockoptIPv6Mreq(fd, level, opt int) (*IPv6Mreq, error) { - var value IPv6Mreq - vallen := _Socklen(SizeofIPv6Mreq) - err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) - return &value, err -} - -func GetsockoptIPv6MTUInfo(fd, level, opt int) (*IPv6MTUInfo, error) { - var value IPv6MTUInfo - vallen := _Socklen(SizeofIPv6MTUInfo) - err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) - return &value, err -} - -func GetsockoptICMPv6Filter(fd, level, opt int) (*ICMPv6Filter, error) { - var value ICMPv6Filter - vallen := _Socklen(SizeofICMPv6Filter) - err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) - return &value, err -} - -//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) -//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) -//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) - -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 = (*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, err = recvmsg(fd, &msg, flags); err != nil { - 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, err = anyToSockaddr(&rsa) - } - return -} - -//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) - -func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) { - _, err = SendmsgN(fd, p, oob, to, flags) - return -} - -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 = (*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 n, err = sendmsg(fd, &msg, flags); err != nil { - return 0, err - } - if len(oob) > 0 && len(p) == 0 { - n = 0 - } - return n, nil -} - -//sys kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, nevent int, timeout *Timespec) (n int, err error) - -func Kevent(kq int, changes, events []Kevent_t, timeout *Timespec) (n int, err error) { - var change, event unsafe.Pointer - if len(changes) > 0 { - change = unsafe.Pointer(&changes[0]) - } - if len(events) > 0 { - event = unsafe.Pointer(&events[0]) - } - return kevent(kq, change, len(changes), event, len(events), timeout) -} - -//sys sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL - -// sysctlmib translates name to mib number and appends any additional args. -func sysctlmib(name string, args ...int) ([]_C_int, error) { - // Translate name to mib number. - mib, err := nametomib(name) - if err != nil { - return nil, err - } - - for _, a := range args { - mib = append(mib, _C_int(a)) - } - - return mib, nil -} - -func Sysctl(name string) (string, error) { - return SysctlArgs(name) -} - -func SysctlArgs(name string, args ...int) (string, error) { - buf, err := SysctlRaw(name, args...) - if err != nil { - return "", err - } - n := len(buf) - - // Throw away terminating NUL. - if n > 0 && buf[n-1] == '\x00' { - n-- - } - return string(buf[0:n]), nil -} - -func SysctlUint32(name string) (uint32, error) { - return SysctlUint32Args(name) -} - -func SysctlUint32Args(name string, args ...int) (uint32, error) { - mib, err := sysctlmib(name, args...) - if err != nil { - return 0, err - } - - n := uintptr(4) - buf := make([]byte, 4) - if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil { - return 0, err - } - if n != 4 { - return 0, EIO - } - return *(*uint32)(unsafe.Pointer(&buf[0])), nil -} - -func SysctlUint64(name string, args ...int) (uint64, error) { - mib, err := sysctlmib(name, args...) - if err != nil { - return 0, err - } - - n := uintptr(8) - buf := make([]byte, 8) - if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil { - return 0, err - } - if n != 8 { - return 0, EIO - } - return *(*uint64)(unsafe.Pointer(&buf[0])), nil -} - -func SysctlRaw(name string, args ...int) ([]byte, error) { - mib, err := sysctlmib(name, args...) - if err != nil { - return nil, err - } - - // Find size. - n := uintptr(0) - if err := sysctl(mib, nil, &n, nil, 0); err != nil { - return nil, err - } - if n == 0 { - return nil, nil - } - - // Read into buffer of that size. - buf := make([]byte, n) - if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil { - return nil, err - } - - // The actual call may return less than the original reported required - // size so ensure we deal with that. - return buf[:n], nil -} - -//sys utimes(path string, timeval *[2]Timeval) (err error) - -func Utimes(path string, tv []Timeval) error { - if tv == nil { - return utimes(path, nil) - } - if len(tv) != 2 { - return EINVAL - } - return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) -} - -func UtimesNano(path string, ts []Timespec) error { - if ts == nil { - return utimes(path, nil) - } - // TODO: The BSDs can do utimensat with SYS_UTIMENSAT but it - // isn't supported by darwin so this uses utimes instead - if len(ts) != 2 { - return EINVAL - } - // Not as efficient as it could be because Timespec and - // Timeval have different types in the different OSes - tv := [2]Timeval{ - NsecToTimeval(TimespecToNsec(ts[0])), - NsecToTimeval(TimespecToNsec(ts[1])), - } - return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) -} - -//sys futimes(fd int, timeval *[2]Timeval) (err error) - -func Futimes(fd int, tv []Timeval) error { - if tv == nil { - return futimes(fd, nil) - } - if len(tv) != 2 { - return EINVAL - } - return futimes(fd, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) -} - -//sys fcntl(fd int, cmd int, arg int) (val int, err error) - -// TODO: wrap -// Acct(name nil-string) (err error) -// Gethostuuid(uuid *byte, timeout *Timespec) (err error) -// Madvise(addr *byte, len int, behav int) (err error) -// Mprotect(addr *byte, len int, prot int) (err error) -// Msync(addr *byte, len int, flags int) (err error) -// Ptrace(req int, pid int, addr uintptr, data int) (ret uintptr, err error) - -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) -} |