summaryrefslogtreecommitdiff
path: root/src/pkg/syscall/syscall_linux.go
diff options
context:
space:
mode:
Diffstat (limited to 'src/pkg/syscall/syscall_linux.go')
-rw-r--r--src/pkg/syscall/syscall_linux.go278
1 files changed, 139 insertions, 139 deletions
diff --git a/src/pkg/syscall/syscall_linux.go b/src/pkg/syscall/syscall_linux.go
index 0c2d1aa79..53ddf1c0e 100644
--- a/src/pkg/syscall/syscall_linux.go
+++ b/src/pkg/syscall/syscall_linux.go
@@ -24,11 +24,11 @@ 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;
+ 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)
@@ -36,7 +36,7 @@ func Utimes(path string, tv []Timeval) (errno int) {
if len(tv) != 2 {
return EINVAL
}
- return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])));
+ return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}
//sys futimesat(dirfd int, path string, times *[2]Timeval) (errno int)
@@ -44,15 +44,15 @@ func Futimesat(dirfd int, path string, tv []Timeval) (errno int) {
if len(tv) != 2 {
return EINVAL
}
- return futimesat(dirfd, path, (*[2]Timeval)(unsafe.Pointer(&tv[0])));
+ return futimesat(dirfd, path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}
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);
+ var buf [PathMax]byte
+ n, err := Getcwd(&buf)
if err != 0 {
return "", err
}
@@ -60,11 +60,11 @@ func Getwd() (wd string, errno int) {
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]), 0
}
func Getgroups() (gids []int, errno int) {
- n, err := getgroups(0, nil);
+ n, err := getgroups(0, nil)
if err != 0 {
return nil, errno
}
@@ -77,16 +77,16 @@ func Getgroups() (gids []int, errno int) {
return nil, EINVAL
}
- a := make([]_Gid_t, n);
- n, err = getgroups(n, &a[0]);
+ a := make([]_Gid_t, n)
+ n, err = getgroups(n, &a[0])
if err != 0 {
return nil, errno
}
- gids = make([]int, n);
+ gids = make([]int, n)
for i, v := range a[0:n] {
gids[i] = int(v)
}
- return;
+ return
}
func Setgroups(gids []int) (errno int) {
@@ -94,11 +94,11 @@ func Setgroups(gids []int) (errno int) {
return setgroups(0, nil)
}
- a := make([]_Gid_t, len(gids));
+ a := make([]_Gid_t, len(gids))
for i, v := range gids {
a[i] = _Gid_t(v)
}
- return setgroups(len(a), &a[0]);
+ return setgroups(len(a), &a[0])
}
type WaitStatus uint32
@@ -113,65 +113,65 @@ type WaitStatus uint32
// from stopped via the core dump bit.
const (
- mask = 0x7F;
- core = 0x80;
- exited = 0x00;
- stopped = 0x7F;
- shift = 8;
+ mask = 0x7F
+ core = 0x80
+ exited = 0x00
+ stopped = 0x7F
+ shift = 8
)
-func (w WaitStatus) Exited() bool { return w&mask == exited }
+func (w WaitStatus) Exited() bool { return w&mask == exited }
-func (w WaitStatus) Signaled() bool { return w&mask != stopped && 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) Stopped() bool { return w&0xFF == stopped }
-func (w WaitStatus) Continued() bool { return w == 0xFFFF }
+func (w WaitStatus) Continued() bool { return w == 0xFFFF }
-func (w WaitStatus) CoreDump() bool { return w.Signaled() && w&core != 0 }
+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;
+ return int(w>>shift) & 0xFF
}
func (w WaitStatus) Signal() int {
if !w.Signaled() {
return -1
}
- return int(w & mask);
+ return int(w & mask)
}
func (w WaitStatus) StopSignal() int {
if !w.Stopped() {
return -1
}
- return int(w>>shift) & 0xFF;
+ return int(w>>shift) & 0xFF
}
func (w WaitStatus) TrapCause() int {
if w.StopSignal() != SIGTRAP {
return -1
}
- return int(w>>shift) >> 8;
+ 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);
+ var status _C_int
+ wpid, errno = wait4(pid, &status, options, rusage)
if wstatus != nil {
*wstatus = WaitStatus(status)
}
- return;
+ return
}
func Sleep(nsec int64) (errno int) {
- tv := NsecToTimeval(nsec);
- _, err := Select(0, nil, nil, nil, &tv);
- return err;
+ tv := NsecToTimeval(nsec)
+ _, err := Select(0, nil, nil, nil, &tv)
+ return err
}
// For testing: clients can set this flag to force
@@ -179,61 +179,61 @@ 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, errno int) // lowercase; only we can define Sockaddrs
}
type SockaddrInet4 struct {
- Port int;
- Addr [4]byte;
- raw RawSockaddrInet4;
+ 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);
+ 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;
+ return uintptr(unsafe.Pointer(&sa.raw)), SizeofSockaddrInet4, 0
}
type SockaddrInet6 struct {
- Port int;
- Addr [16]byte;
- raw RawSockaddrInet6;
+ Port int
+ 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.Family = AF_INET6
+ 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)), SizeofSockaddrInet6, 0;
+ return uintptr(unsafe.Pointer(&sa.raw)), SizeofSockaddrInet6, 0
}
type SockaddrUnix struct {
- Name string;
- raw RawSockaddrUnix;
+ Name string
+ raw RawSockaddrUnix
}
func (sa *SockaddrUnix) sockaddr() (uintptr, _Socklen, int) {
- name := sa.Name;
- n := len(name);
+ name := sa.Name
+ n := len(name)
if n >= len(sa.raw.Path) || n == 0 {
return 0, 0, EINVAL
}
- sa.raw.Family = AF_UNIX;
+ sa.raw.Family = AF_UNIX
for i := 0; i < n; i++ {
sa.raw.Path[i] = int8(name[i])
}
@@ -242,14 +242,14 @@ func (sa *SockaddrUnix) sockaddr() (uintptr, _Socklen, int) {
}
// length is family, name, NUL.
- return uintptr(unsafe.Pointer(&sa.raw)), 1 + _Socklen(n) + 1, 0;
+ return uintptr(unsafe.Pointer(&sa.raw)), 1 + _Socklen(n) + 1, 0
}
func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, int) {
switch rsa.Addr.Family {
case AF_UNIX:
- pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa));
- sa := new(SockaddrUnix);
+ pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
+ sa := new(SockaddrUnix)
if pp.Path[0] == 0 {
// "Abstract" Unix domain socket.
// Rewrite leading NUL as @ for textual display.
@@ -264,97 +264,97 @@ func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, int) {
// abstract Unix domain sockets--they are supposed
// to be uninterpreted fixed-size binary blobs--but
// everyone uses this convention.
- n := 0;
+ n := 0
for n < len(pp.Path) && pp.Path[n] != 0 {
n++
}
- bytes := (*[len(pp.Path)]byte)(unsafe.Pointer(&pp.Path[0]));
- sa.Name = string(bytes[0:n]);
- return sa, 0;
+ bytes := (*[len(pp.Path)]byte)(unsafe.Pointer(&pp.Path[0]))
+ sa.Name = string(bytes[0:n])
+ 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]);
+ 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;
+ 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]);
+ pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
+ sa := new(SockaddrInet6)
+ 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;
+ return sa, 0
}
- return nil, EAFNOSUPPORT;
+ 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);
+ var rsa RawSockaddrAny
+ var len _Socklen = SizeofSockaddrAny
+ nfd, errno = accept(fd, &rsa, &len)
if errno != 0 {
return
}
- sa, errno = anyToSockaddr(&rsa);
+ sa, errno = anyToSockaddr(&rsa)
if errno != 0 {
- Close(nfd);
- nfd = 0;
+ Close(nfd)
+ nfd = 0
}
- return;
+ return
}
func Getsockname(fd int) (sa Sockaddr, errno int) {
- var rsa RawSockaddrAny;
- var len _Socklen = SizeofSockaddrAny;
+ var rsa RawSockaddrAny
+ var len _Socklen = SizeofSockaddrAny
if errno = getsockname(fd, &rsa, &len); errno != 0 {
return
}
- return anyToSockaddr(&rsa);
+ return anyToSockaddr(&rsa)
}
func Getpeername(fd int) (sa Sockaddr, errno int) {
- var rsa RawSockaddrAny;
- var len _Socklen = SizeofSockaddrAny;
+ var rsa RawSockaddrAny
+ var len _Socklen = SizeofSockaddrAny
if errno = getpeername(fd, &rsa, &len); errno != 0 {
return
}
- return anyToSockaddr(&rsa);
+ return anyToSockaddr(&rsa)
}
func Bind(fd int, sa Sockaddr) (errno int) {
- ptr, n, err := sa.sockaddr();
+ ptr, n, err := sa.sockaddr()
if err != 0 {
return err
}
- return bind(fd, ptr, n);
+ return bind(fd, ptr, n)
}
func Connect(fd int, sa Sockaddr) (errno int) {
- ptr, n, err := sa.sockaddr();
+ ptr, n, err := sa.sockaddr()
if err != 0 {
return err
}
- return connect(fd, ptr, n);
+ 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;
+ fd, errno = socket(domain, typ, proto)
+ return
}
func SetsockoptInt(fd, level, opt int, value int) (errno int) {
- var n = int32(value);
- return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(&n)), 4);
+ var n = int32(value)
+ return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(&n)), 4)
}
func SetsockoptTimeval(fd, level, opt int, tv *Timeval) (errno int) {
@@ -366,21 +366,21 @@ func SetsockoptLinger(fd, level, opt int, l *Linger) (errno int) {
}
func Recvfrom(fd int, p []byte, flags int) (n int, from Sockaddr, errno int) {
- var rsa RawSockaddrAny;
- var len _Socklen = SizeofSockaddrAny;
+ var rsa RawSockaddrAny
+ var len _Socklen = SizeofSockaddrAny
if n, errno = recvfrom(fd, p, flags, &rsa, &len); errno != 0 {
return
}
- from, errno = anyToSockaddr(&rsa);
- return;
+ from, errno = anyToSockaddr(&rsa)
+ return
}
func Sendto(fd int, p []byte, flags int, to Sockaddr) (errno int) {
- ptr, n, err := to.sockaddr();
+ ptr, n, err := to.sockaddr()
if err != 0 {
return err
}
- return sendto(fd, p, flags, ptr, n);
+ return sendto(fd, p, flags, ptr, n)
}
//sys ptrace(request int, pid int, addr uintptr, data uintptr) (errno int)
@@ -392,37 +392,37 @@ func ptracePeek(req int, pid int, addr uintptr, out []byte) (count int, errno in
// The ptrace syscall differs from glibc's ptrace.
// Peeks returns the word in *data, not as the return value.
- var buf [sizeofPtr]byte;
+ 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;
+ n := 0
if addr%sizeofPtr != 0 {
- errno = ptrace(req, pid, addr-addr%sizeofPtr, uintptr(unsafe.Pointer(&buf[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:];
+ 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])));
+ errno = ptrace(req, pid, addr+uintptr(n), uintptr(unsafe.Pointer(&buf[0])))
if errno != 0 {
return n, errno
}
- copied := copy(out, &buf);
- n += copied;
- out = out[copied:];
+ copied := copy(out, &buf)
+ n += copied
+ out = out[copied:]
}
- return n, 0;
+ return n, 0
}
func PtracePeekText(pid int, addr uintptr, out []byte) (count int, errno int) {
@@ -438,50 +438,50 @@ func ptracePoke(pokeReq int, peekReq int, pid int, addr uintptr, data []byte) (c
// with the possibility of straddling an invalid page.
// Leading edge.
- n := 0;
+ n := 0
if addr%sizeofPtr != 0 {
- var buf [sizeofPtr]byte;
- errno = ptrace(peekReq, pid, addr-addr%sizeofPtr, uintptr(unsafe.Pointer(&buf[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);
+ 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:];
+ data = data[n:]
}
// Interior.
for len(data) > sizeofPtr {
- word := *((*uintptr)(unsafe.Pointer(&data[0])));
- errno = ptrace(pokeReq, pid, addr+uintptr(n), word);
+ 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:];
+ 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])));
+ var buf [sizeofPtr]byte
+ errno = ptrace(peekReq, pid, addr+uintptr(n), uintptr(unsafe.Pointer(&buf[0])))
if errno != 0 {
return n, errno
}
- copy(&buf, data);
- word := *((*uintptr)(unsafe.Pointer(&buf[0])));
- errno = ptrace(pokeReq, pid, addr+uintptr(n), word);
+ copy(&buf, data)
+ word := *((*uintptr)(unsafe.Pointer(&buf[0])))
+ errno = ptrace(pokeReq, pid, addr+uintptr(n), word)
if errno != 0 {
return n, errno
}
- n += len(data);
+ n += len(data)
}
- return n, 0;
+ return n, 0
}
func PtracePokeText(pid int, addr uintptr, data []byte) (count int, errno int) {
@@ -505,21 +505,21 @@ func PtraceSetOptions(pid int, options int) (errno int) {
}
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;
+ 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 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 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) }
+func PtraceDetach(pid int) (errno int) { return ptrace(PTRACE_DETACH, pid, 0, 0) }
// Sendto
// Recvfrom
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-02 11:40:30 +0000