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path: root/src/pkg/syscall/syscall_linux.go
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Diffstat (limited to 'src/pkg/syscall/syscall_linux.go')
-rw-r--r--src/pkg/syscall/syscall_linux.go469
1 files changed, 255 insertions, 214 deletions
diff --git a/src/pkg/syscall/syscall_linux.go b/src/pkg/syscall/syscall_linux.go
index 9fc2605c4..89fb68192 100644
--- a/src/pkg/syscall/syscall_linux.go
+++ b/src/pkg/syscall/syscall_linux.go
@@ -13,51 +13,49 @@ 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) {
+//sys open(path string, mode int, perm uint32) (fd int, err error)
+func Open(path string, mode int, perm uint32) (fd int, err error) {
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) {
+//sys openat(dirfd int, path string, flags int, mode uint32) (fd int, err error)
+func Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error) {
return openat(dirfd, path, flags|O_LARGEFILE, mode)
}
-//sysnb pipe(p *[2]_C_int) (errno int)
-func Pipe(p []int) (errno int) {
+//sysnb pipe(p *[2]_C_int) (err error)
+func Pipe(p []int) (err error) {
if len(p) != 2 {
return EINVAL
}
var pp [2]_C_int
- errno = pipe(&pp)
+ err = 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) {
+//sys utimes(path string, times *[2]Timeval) (err error)
+func Utimes(path string, tv []Timeval) (err error) {
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) {
+//sys futimesat(dirfd int, path *byte, times *[2]Timeval) (err error)
+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) {
+func Futimes(fd int, tv []Timeval) (err error) {
// 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)
@@ -65,27 +63,27 @@ func Futimes(fd int, tv []Timeval) (errno int) {
const ImplementsGetwd = true
-//sys Getcwd(buf []byte) (n int, errno int)
-func Getwd() (wd string, errno int) {
+//sys Getcwd(buf []byte) (n int, err error)
+func Getwd() (wd string, err error) {
var buf [PathMax]byte
n, err := Getcwd(buf[0:])
- if err != 0 {
+ if err != nil {
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
+ return string(buf[0 : n-1]), nil
}
-func Getgroups() (gids []int, errno int) {
+func Getgroups() (gids []int, err error) {
n, err := getgroups(0, nil)
- if err != 0 {
- return nil, errno
+ if err != nil {
+ return nil, err
}
if n == 0 {
- return nil, 0
+ return nil, nil
}
// Sanity check group count. Max is 1<<16 on Linux.
@@ -95,8 +93,8 @@ func Getgroups() (gids []int, errno int) {
a := make([]_Gid_t, n)
n, err = getgroups(n, &a[0])
- if err != 0 {
- return nil, errno
+ if err != nil {
+ return nil, err
}
gids = make([]int, n)
for i, v := range a[0:n] {
@@ -105,7 +103,7 @@ func Getgroups() (gids []int, errno int) {
return
}
-func Setgroups(gids []int) (errno int) {
+func Setgroups(gids []int) (err error) {
if len(gids) == 0 {
return setgroups(0, nil)
}
@@ -153,18 +151,18 @@ func (w WaitStatus) ExitStatus() int {
return int(w>>shift) & 0xFF
}
-func (w WaitStatus) Signal() int {
+func (w WaitStatus) Signal() Signal {
if !w.Signaled() {
return -1
}
- return int(w & mask)
+ return Signal(w & mask)
}
-func (w WaitStatus) StopSignal() int {
+func (w WaitStatus) StopSignal() Signal {
if !w.Stopped() {
return -1
}
- return int(w>>shift) & 0xFF
+ return Signal(w>>shift) & 0xFF
}
func (w WaitStatus) TrapCause() int {
@@ -174,20 +172,18 @@ func (w WaitStatus) TrapCause() int {
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) {
+//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, errno = wait4(pid, &status, options, rusage)
+ wpid, err = 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
+func Mkfifo(path string, mode uint32) (err error) {
+ return Mknod(path, mode|S_IFIFO, 0)
}
// For testing: clients can set this flag to force
@@ -195,7 +191,7 @@ func Sleep(nsec int64) (errno int) {
var SocketDisableIPv6 bool
type Sockaddr interface {
- sockaddr() (ptr uintptr, len _Socklen, errno int) // lowercase; only we can define Sockaddrs
+ sockaddr() (ptr uintptr, len _Socklen, err error) // lowercase; only we can define Sockaddrs
}
type SockaddrInet4 struct {
@@ -204,7 +200,7 @@ type SockaddrInet4 struct {
raw RawSockaddrInet4
}
-func (sa *SockaddrInet4) sockaddr() (uintptr, _Socklen, int) {
+func (sa *SockaddrInet4) sockaddr() (uintptr, _Socklen, error) {
if sa.Port < 0 || sa.Port > 0xFFFF {
return 0, 0, EINVAL
}
@@ -215,7 +211,7 @@ func (sa *SockaddrInet4) sockaddr() (uintptr, _Socklen, int) {
for i := 0; i < len(sa.Addr); i++ {
sa.raw.Addr[i] = sa.Addr[i]
}
- return uintptr(unsafe.Pointer(&sa.raw)), SizeofSockaddrInet4, 0
+ return uintptr(unsafe.Pointer(&sa.raw)), SizeofSockaddrInet4, nil
}
type SockaddrInet6 struct {
@@ -225,7 +221,7 @@ type SockaddrInet6 struct {
raw RawSockaddrInet6
}
-func (sa *SockaddrInet6) sockaddr() (uintptr, _Socklen, int) {
+func (sa *SockaddrInet6) sockaddr() (uintptr, _Socklen, error) {
if sa.Port < 0 || sa.Port > 0xFFFF {
return 0, 0, EINVAL
}
@@ -237,7 +233,7 @@ func (sa *SockaddrInet6) sockaddr() (uintptr, _Socklen, int) {
for i := 0; i < len(sa.Addr); i++ {
sa.raw.Addr[i] = sa.Addr[i]
}
- return uintptr(unsafe.Pointer(&sa.raw)), SizeofSockaddrInet6, 0
+ return uintptr(unsafe.Pointer(&sa.raw)), SizeofSockaddrInet6, nil
}
type SockaddrUnix struct {
@@ -245,7 +241,7 @@ type SockaddrUnix struct {
raw RawSockaddrUnix
}
-func (sa *SockaddrUnix) sockaddr() (uintptr, _Socklen, int) {
+func (sa *SockaddrUnix) sockaddr() (uintptr, _Socklen, error) {
name := sa.Name
n := len(name)
if n >= len(sa.raw.Path) || n == 0 {
@@ -263,7 +259,7 @@ func (sa *SockaddrUnix) sockaddr() (uintptr, _Socklen, int) {
sl--
}
- return uintptr(unsafe.Pointer(&sa.raw)), sl, 0
+ return uintptr(unsafe.Pointer(&sa.raw)), sl, nil
}
type SockaddrLinklayer struct {
@@ -276,7 +272,7 @@ type SockaddrLinklayer struct {
raw RawSockaddrLinklayer
}
-func (sa *SockaddrLinklayer) sockaddr() (uintptr, _Socklen, int) {
+func (sa *SockaddrLinklayer) sockaddr() (uintptr, _Socklen, error) {
if sa.Ifindex < 0 || sa.Ifindex > 0x7fffffff {
return 0, 0, EINVAL
}
@@ -289,7 +285,7 @@ func (sa *SockaddrLinklayer) sockaddr() (uintptr, _Socklen, int) {
for i := 0; i < len(sa.Addr); i++ {
sa.raw.Addr[i] = sa.Addr[i]
}
- return uintptr(unsafe.Pointer(&sa.raw)), SizeofSockaddrLinklayer, 0
+ return uintptr(unsafe.Pointer(&sa.raw)), SizeofSockaddrLinklayer, nil
}
type SockaddrNetlink struct {
@@ -300,15 +296,15 @@ type SockaddrNetlink struct {
raw RawSockaddrNetlink
}
-func (sa *SockaddrNetlink) sockaddr() (uintptr, _Socklen, int) {
+func (sa *SockaddrNetlink) sockaddr() (uintptr, _Socklen, error) {
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
+ return uintptr(unsafe.Pointer(&sa.raw)), SizeofSockaddrNetlink, nil
}
-func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, int) {
+func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) {
switch rsa.Addr.Family {
case AF_NETLINK:
pp := (*RawSockaddrNetlink)(unsafe.Pointer(rsa))
@@ -317,7 +313,7 @@ func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, int) {
sa.Pad = pp.Pad
sa.Pid = pp.Pid
sa.Groups = pp.Groups
- return sa, 0
+ return sa, nil
case AF_PACKET:
pp := (*RawSockaddrLinklayer)(unsafe.Pointer(rsa))
@@ -330,7 +326,7 @@ func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, int) {
for i := 0; i < len(sa.Addr); i++ {
sa.Addr[i] = pp.Addr[i]
}
- return sa, 0
+ return sa, nil
case AF_UNIX:
pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
@@ -355,7 +351,7 @@ func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, int) {
}
bytes := (*[10000]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
sa.Name = string(bytes)
- return sa, 0
+ return sa, nil
case AF_INET:
pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
@@ -365,7 +361,7 @@ func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, int) {
for i := 0; i < len(sa.Addr); i++ {
sa.Addr[i] = pp.Addr[i]
}
- return sa, 0
+ return sa, nil
case AF_INET6:
pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
@@ -376,124 +372,159 @@ func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, int) {
for i := 0; i < len(sa.Addr); i++ {
sa.Addr[i] = pp.Addr[i]
}
- return sa, 0
+ return sa, nil
}
return nil, EAFNOSUPPORT
}
-func Accept(fd int) (nfd int, sa Sockaddr, errno int) {
+func Accept(fd int) (nfd int, sa Sockaddr, err error) {
var rsa RawSockaddrAny
var len _Socklen = SizeofSockaddrAny
- nfd, errno = accept(fd, &rsa, &len)
- if errno != 0 {
+ nfd, err = accept(fd, &rsa, &len)
+ if err != nil {
return
}
- sa, errno = anyToSockaddr(&rsa)
- if errno != 0 {
+ sa, err = anyToSockaddr(&rsa)
+ if err != nil {
Close(nfd)
nfd = 0
}
return
}
-func Getsockname(fd int) (sa Sockaddr, errno int) {
+func Getsockname(fd int) (sa Sockaddr, err error) {
var rsa RawSockaddrAny
var len _Socklen = SizeofSockaddrAny
- if errno = getsockname(fd, &rsa, &len); errno != 0 {
+ if err = getsockname(fd, &rsa, &len); err != nil {
return
}
return anyToSockaddr(&rsa)
}
-func Getpeername(fd int) (sa Sockaddr, errno int) {
+func Getpeername(fd int) (sa Sockaddr, err error) {
var rsa RawSockaddrAny
var len _Socklen = SizeofSockaddrAny
- if errno = getpeername(fd, &rsa, &len); errno != 0 {
+ if err = getpeername(fd, &rsa, &len); err != nil {
return
}
return anyToSockaddr(&rsa)
}
-func Bind(fd int, sa Sockaddr) (errno int) {
+func Bind(fd int, sa Sockaddr) (err error) {
ptr, n, err := sa.sockaddr()
- if err != 0 {
+ if err != nil {
return err
}
return bind(fd, ptr, n)
}
-func Connect(fd int, sa Sockaddr) (errno int) {
+func Connect(fd int, sa Sockaddr) (err error) {
ptr, n, err := sa.sockaddr()
- if err != 0 {
+ if err != nil {
return err
}
return connect(fd, ptr, n)
}
-func Socket(domain, typ, proto int) (fd, errno int) {
+func Socket(domain, typ, proto int) (fd int, err error) {
if domain == AF_INET6 && SocketDisableIPv6 {
return -1, EAFNOSUPPORT
}
- fd, errno = socket(domain, typ, proto)
+ fd, err = socket(domain, typ, proto)
return
}
-func Socketpair(domain, typ, proto int) (fd [2]int, errno int) {
- errno = socketpair(domain, typ, proto, &fd)
+func Socketpair(domain, typ, proto int) (fd [2]int, err error) {
+ err = socketpair(domain, typ, proto, &fd)
return
}
-func GetsockoptInt(fd, level, opt int) (value, errno int) {
+func GetsockoptInt(fd, level, opt int) (value int, err error) {
var n int32
vallen := _Socklen(4)
- errno = getsockopt(fd, level, opt, uintptr(unsafe.Pointer(&n)), &vallen)
- return int(n), errno
+ err = getsockopt(fd, level, opt, uintptr(unsafe.Pointer(&n)), &vallen)
+ return int(n), err
+}
+
+func GetsockoptInet4Addr(fd, level, opt int) (value [4]byte, err error) {
+ vallen := _Socklen(4)
+ err = getsockopt(fd, level, opt, uintptr(unsafe.Pointer(&value[0])), &vallen)
+ return value, err
}
-func SetsockoptInt(fd, level, opt int, value int) (errno int) {
+func GetsockoptIPMreq(fd, level, opt int) (*IPMreq, error) {
+ var value IPMreq
+ vallen := _Socklen(SizeofIPMreq)
+ err := getsockopt(fd, level, opt, uintptr(unsafe.Pointer(&value)), &vallen)
+ return &value, err
+}
+
+func GetsockoptIPMreqn(fd, level, opt int) (*IPMreqn, error) {
+ var value IPMreqn
+ vallen := _Socklen(SizeofIPMreqn)
+ err := getsockopt(fd, level, opt, uintptr(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, uintptr(unsafe.Pointer(&value)), &vallen)
+ return &value, err
+}
+
+func SetsockoptInt(fd, level, opt int, value int) (err error) {
var n = int32(value)
return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(&n)), 4)
}
-func SetsockoptTimeval(fd, level, opt int, tv *Timeval) (errno int) {
+func SetsockoptInet4Addr(fd, level, opt int, value [4]byte) (err error) {
+ return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(&value[0])), 4)
+}
+
+func SetsockoptTimeval(fd, level, opt int, tv *Timeval) (err error) {
return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(tv)), unsafe.Sizeof(*tv))
}
-func SetsockoptLinger(fd, level, opt int, l *Linger) (errno int) {
+func SetsockoptLinger(fd, level, opt int, l *Linger) (err error) {
return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(l)), unsafe.Sizeof(*l))
}
-func SetsockoptIPMreq(fd, level, opt int, mreq *IPMreq) (errno int) {
+func SetsockoptIPMreq(fd, level, opt int, mreq *IPMreq) (err error) {
return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(mreq)), unsafe.Sizeof(*mreq))
}
-func SetsockoptIPv6Mreq(fd, level, opt int, mreq *IPv6Mreq) (errno int) {
+func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) {
return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(mreq)), unsafe.Sizeof(*mreq))
}
-func SetsockoptString(fd, level, opt int, s string) (errno int) {
+func SetsockoptIPv6Mreq(fd, level, opt int, mreq *IPv6Mreq) (err error) {
+ return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(mreq)), unsafe.Sizeof(*mreq))
+}
+
+func SetsockoptString(fd, level, opt int, s string) (err error) {
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) {
+func Recvfrom(fd int, p []byte, flags int) (n int, from Sockaddr, err error) {
var rsa RawSockaddrAny
var len _Socklen = SizeofSockaddrAny
- if n, errno = recvfrom(fd, p, flags, &rsa, &len); errno != 0 {
+ if n, err = recvfrom(fd, p, flags, &rsa, &len); err != nil {
return
}
- from, errno = anyToSockaddr(&rsa)
+ from, err = anyToSockaddr(&rsa)
return
}
-func Sendto(fd int, p []byte, flags int, to Sockaddr) (errno int) {
+func Sendto(fd int, p []byte, flags int, to Sockaddr) (err error) {
ptr, n, err := to.sockaddr()
- if err != 0 {
+ if err != nil {
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) {
+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))
@@ -515,25 +546,25 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from
}
msg.Iov = &iov
msg.Iovlen = 1
- if n, errno = recvmsg(fd, &msg, flags); errno != 0 {
+ 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, errno = anyToSockaddr(&rsa)
+ from, err = anyToSockaddr(&rsa)
}
return
}
-func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (errno int) {
+func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
var ptr uintptr
var salen _Socklen
if to != nil {
- var err int
+ var err error
ptr, salen, err = to.sockaddr()
- if err != 0 {
+ if err != nil {
return err
}
}
@@ -557,20 +588,20 @@ func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (errno int) {
}
msg.Iov = &iov
msg.Iovlen = 1
- if errno = sendmsg(fd, &msg, flags); errno != 0 {
+ if err = sendmsg(fd, &msg, flags); err != nil {
return
}
return
}
// BindToDevice binds the socket associated with fd to device.
-func BindToDevice(fd int, device string) (errno int) {
+func BindToDevice(fd int, device string) (err error) {
return SetsockoptString(fd, SOL_SOCKET, SO_BINDTODEVICE, device)
}
-//sys ptrace(request int, pid int, addr uintptr, data uintptr) (errno int)
+//sys ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
-func ptracePeek(req int, pid int, addr uintptr, out []byte) (count int, errno int) {
+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.
@@ -586,9 +617,9 @@ func ptracePeek(req int, pid int, addr uintptr, out []byte) (count int, errno in
// 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:]
@@ -596,29 +627,29 @@ func ptracePeek(req int, pid int, addr uintptr, out []byte) (count int, errno in
// Remainder.
for len(out) > 0 {
- // We use an internal buffer to gaurantee alignment.
+ // We use an internal buffer to guarantee 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.
@@ -626,15 +657,15 @@ func ptracePoke(pokeReq int, peekReq int, pid int, addr uintptr, data []byte) (c
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:]
}
@@ -642,9 +673,9 @@ func ptracePoke(pokeReq int, peekReq int, pid int, addr uintptr, data []byte) (c
// 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
+ err = ptrace(pokeReq, pid, addr+uintptr(n), word)
+ if err != nil {
+ return n, err
}
n += sizeofPtr
data = data[sizeofPtr:]
@@ -653,61 +684,61 @@ func ptracePoke(pokeReq int, peekReq int, pid int, addr uintptr, data []byte) (c
// 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) {
+func PtraceGetRegs(pid int, regsout *PtraceRegs) (err error) {
return ptrace(PTRACE_GETREGS, pid, 0, uintptr(unsafe.Pointer(regsout)))
}
-func PtraceSetRegs(pid int, regs *PtraceRegs) (errno int) {
+func PtraceSetRegs(pid int, regs *PtraceRegs) (err error) {
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 PtraceSingleStep(pid int) (err error) { return ptrace(PTRACE_SINGLESTEP, pid, 0, 0) }
-func PtraceAttach(pid int) (errno int) { return ptrace(PTRACE_ATTACH, pid, 0, 0) }
+func PtraceAttach(pid int) (err error) { return ptrace(PTRACE_ATTACH, pid, 0, 0) }
-func PtraceDetach(pid int) (errno int) { return ptrace(PTRACE_DETACH, pid, 0, 0) }
+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)
-func Reboot(cmd int) (errno int) {
+//sys reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error)
+func Reboot(cmd int) (err error) {
return reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, cmd, "")
}
@@ -720,7 +751,7 @@ func clen(n []byte) int {
return len(n)
}
-func ReadDirent(fd int, buf []byte) (n int, errno int) {
+func ReadDirent(fd int, buf []byte) (n int, err error) {
return Getdents(fd, buf)
}
@@ -745,6 +776,16 @@ func ParseDirent(buf []byte, max int, names []string) (consumed int, count int,
return origlen - len(buf), count, names
}
+//sys mount(source string, target string, fstype string, flags uintptr, data *byte) (err error)
+func Mount(source string, target string, fstype string, flags uintptr, data string) (err error) {
+ // Certain file systems get rather angry and EINVAL if you give
+ // them an empty string of data, rather than NULL.
+ if data == "" {
+ return mount(source, target, fstype, flags, nil)
+ }
+ return mount(source, target, fstype, flags, StringBytePtr(data))
+}
+
// Sendto
// Recvfrom
// Socketpair
@@ -752,86 +793,86 @@ func ParseDirent(buf []byte, max int, names []string) (consumed int, count int,
/*
* 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 Access(path string, mode uint32) (err error)
+//sys Acct(path string) (err error)
+//sys Adjtimex(buf *Timex) (state int, err error)
+//sys Chdir(path string) (err error)
+//sys Chmod(path string, mode uint32) (err error)
+//sys Chroot(path string) (err error)
+//sys Close(fd int) (err error)
+//sys Creat(path string, mode uint32) (fd int, err error)
+//sysnb Dup(oldfd int) (fd int, err error)
+//sysnb Dup2(oldfd int, newfd int) (err error)
+//sysnb EpollCreate(size int) (fd int, err error)
+//sysnb EpollCreate1(flag int) (fd int, err error)
+//sysnb EpollCtl(epfd int, op int, fd int, event *EpollEvent) (err error)
+//sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
//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 Flock(fd int, how 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)
+//sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
+//sys Fallocate(fd int, mode uint32, off int64, len int64) (err error)
+//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 Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
+//sys fcntl(fd int, cmd int, arg int) (val int, err error)
+//sys Fdatasync(fd int) (err error)
+//sys Flock(fd int, how int) (err error)
+//sys Fsync(fd int) (err error)
+//sys Getdents(fd int, buf []byte) (n int, err error) = SYS_GETDENTS64
+//sysnb Getpgid(pid int) (pgid int, err error)
//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 Getrlimit(resource int, rlim *Rlimit) (err error)
+//sysnb Getrusage(who int, rusage *Rusage) (err error)
//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 InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, err error)
+//sysnb InotifyInit() (fd int, err error)
+//sysnb InotifyInit1(flags int) (fd int, err error)
+//sysnb InotifyRmWatch(fd int, watchdesc uint32) (success int, err error)
+//sysnb Kill(pid int, sig Signal) (err error)
+//sys Klogctl(typ int, buf []byte) (n int, err error) = SYS_SYSLOG
+//sys Link(oldpath string, newpath string) (err error)
+//sys Mkdir(path string, mode uint32) (err error)
+//sys Mkdirat(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 Nanosleep(time *Timespec, leftover *Timespec) (err error)
+//sys Pause() (err error)
+//sys PivotRoot(newroot string, putold string) (err error) = SYS_PIVOT_ROOT
+//sys Read(fd int, p []byte) (n int, err error)
+//sys Readlink(path string, buf []byte) (n int, err error)
+//sys Rename(oldpath string, newpath string) (err error)
+//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
+//sys Rmdir(path string) (err error)
+//sys Setdomainname(p []byte) (err error)
+//sys Sethostname(p []byte) (err error)
+//sysnb Setpgid(pid int, pgid int) (err error)
+//sysnb Setrlimit(resource int, rlim *Rlimit) (err error)
+//sysnb Setsid() (pid int, err error)
+//sysnb Settimeofday(tv *Timeval) (err error)
+//sysnb Setuid(uid int) (err error)
+//sys Symlink(oldpath string, newpath string) (err error)
//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 Sysinfo(info *Sysinfo_t) (err error)
+//sys Tee(rfd int, wfd int, len int, flags int) (n int64, err error)
+//sysnb Tgkill(tgid int, tid int, sig Signal) (err error)
+//sysnb Times(tms *Tms) (ticks uintptr, err error)
//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)
+//sysnb Uname(buf *Utsname) (err error)
+//sys Unlink(path string) (err error)
+//sys Unlinkat(dirfd int, path string) (err error)
+//sys Unmount(target string, flags int) (err error) = SYS_UMOUNT2
+//sys Unshare(flags int) (err error)
+//sys Ustat(dev int, ubuf *Ustat_t) (err error)
+//sys Utime(path string, buf *Utimbuf) (err error)
+//sys Write(fd int, p []byte) (n int, err error)
+//sys exitThread(code int) (err error) = SYS_EXIT
+//sys read(fd int, p *byte, np int) (n int, err error)
+//sys write(fd int, p *byte, np int) (n int, err error)
// mmap varies by architecture; see syscall_linux_*.go.
-//sys munmap(addr uintptr, length uintptr) (errno int)
+//sys munmap(addr uintptr, length uintptr) (err error)
var mapper = &mmapper{
active: make(map[*byte][]byte),
@@ -839,20 +880,20 @@ var mapper = &mmapper{
munmap: munmap,
}
-func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, errno int) {
+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) (errno int) {
+func Munmap(b []byte) (err error) {
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)
+//sys Madvise(b []byte, advice int) (err error)
+//sys Mprotect(b []byte, prot int) (err error)
+//sys Mlock(b []byte) (err error)
+//sys Munlock(b []byte) (err error)
+//sys Mlockall(flags int) (err error)
+//sys Munlockall() (err error)
/*
* Unimplemented
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-12 00:49:09 +0000