Update golang.org/x/sys/unix package

2026-01-04 23:17:50 +00:00 · 2016-09-27 00:53:45 -07:00
parent 69206f5390
commit 1ad61acdc2
98 changed files with 16640 additions and 3781 deletions
--- a/vendor/golang.org/x/sys/unix/syscall_solaris.go
+++ b/vendor/golang.org/x/sys/unix/syscall_solaris.go
@@ -13,6 +13,7 @@
 package unix

 import (
+	"sync/atomic"
 	"syscall"
 	"unsafe"
 )
@@ -71,18 +72,20 @@ func ParseDirent(buf []byte, max int, names []string) (consumed int, count int,
 	return origlen - len(buf), count, names
 }

-func pipe() (r uintptr, w uintptr, err uintptr)
+//sysnb	pipe(p *[2]_C_int) (n int, err error)

 func Pipe(p []int) (err error) {
 	if len(p) != 2 {
 		return EINVAL
 	}
-	r0, w0, e1 := pipe()
-	if e1 != 0 {
-		err = syscall.Errno(e1)
+	var pp [2]_C_int
+	n, err := pipe(&pp)
+	if n != 0 {
+		return err
 	}
-	p[0], p[1] = int(r0), int(w0)
-	return
+	p[0] = int(pp[0])
+	p[1] = int(pp[1])
+	return nil
 }

 func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) {
@@ -138,6 +141,8 @@ func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) {
 	return unsafe.Pointer(&sa.raw), sl, nil
 }

+//sys	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) = libsocket.getsockname
+
 func Getsockname(fd int) (sa Sockaddr, err error) {
 	var rsa RawSockaddrAny
 	var len _Socklen = SizeofSockaddrAny
@@ -147,12 +152,23 @@ func Getsockname(fd int) (sa Sockaddr, err error) {
 	return anyToSockaddr(&rsa)
 }

-// The const provides a compile-time constant so clients
-// can adjust to whether there is a working Getwd and avoid
-// even linking this function into the binary.  See ../os/getwd.go.
-const ImplementsGetwd = false
+const ImplementsGetwd = true

-func Getwd() (string, error) { return "", ENOTSUP }
+//sys	Getcwd(buf []byte) (n int, err error)
+
+func Getwd() (wd string, err error) {
+	var buf [PathMax]byte
+	// Getcwd will return an error if it failed for any reason.
+	_, err = Getcwd(buf[0:])
+	if err != nil {
+		return "", err
+	}
+	n := clen(buf[:])
+	if n < 1 {
+		return "", EINVAL
+	}
+	return string(buf[:n]), nil
+}

 /*
 * Wrapped
@@ -163,21 +179,20 @@ func Getwd() (string, error) { return "", ENOTSUP }

 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 {
+	// Check for error and sanity check group count.  Newer versions of
+	// Solaris allow up to 1024 (NGROUPS_MAX).
+	if n < 0 || n > 1024 {
+		if err != nil {
+			return nil, err
+		}
 		return nil, EINVAL
+	} else if n == 0 {
+		return nil, nil
 	}

 	a := make([]_Gid_t, n)
 	n, err = getgroups(n, &a[0])
-	if err != nil {
+	if n == -1 {
 		return nil, err
 	}
 	gids = make([]int, n)
@@ -256,39 +271,68 @@ func (w WaitStatus) StopSignal() syscall.Signal {

 func (w WaitStatus) TrapCause() int { return -1 }

-func wait4(pid uintptr, wstatus *WaitStatus, options uintptr, rusage *Rusage) (wpid uintptr, err uintptr)
+//sys	wait4(pid int32, statusp *_C_int, options int, rusage *Rusage) (wpid int32, err error)

-func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) {
-	r0, e1 := wait4(uintptr(pid), wstatus, uintptr(options), rusage)
-	if e1 != 0 {
-		err = syscall.Errno(e1)
+func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (int, error) {
+	var status _C_int
+	rpid, err := wait4(int32(pid), &status, options, rusage)
+	wpid := int(rpid)
+	if wpid == -1 {
+		return wpid, err
 	}
-	return int(r0), err
+	if wstatus != nil {
+		*wstatus = WaitStatus(status)
+	}
+	return wpid, nil
 }

-func gethostname() (name string, err uintptr)
+//sys	gethostname(buf []byte) (n int, err error)

 func Gethostname() (name string, err error) {
-	name, e1 := gethostname()
-	if e1 != 0 {
-		err = syscall.Errno(e1)
+	var buf [MaxHostNameLen]byte
+	n, err := gethostname(buf[:])
+	if n != 0 {
+		return "", err
 	}
-	return name, err
+	n = clen(buf[:])
+	if n < 1 {
+		return "", EFAULT
+	}
+	return string(buf[:n]), nil
 }

+//sys	utimes(path string, times *[2]Timeval) (err error)
+
+func Utimes(path string, tv []Timeval) (err error) {
+	if tv == nil {
+		return utimes(path, nil)
+	}
+	if len(tv) != 2 {
+		return EINVAL
+	}
+	return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
+}
+
+//sys	utimensat(fd int, path string, times *[2]Timespec, flag int) (err error)
+
 func UtimesNano(path string, ts []Timespec) error {
 	if ts == nil {
-		return Utimes(path, nil)
+		return utimensat(AT_FDCWD, path, nil, 0)
 	}
 	if len(ts) != 2 {
 		return EINVAL
 	}
-	var tv [2]Timeval
-	for i := 0; i < 2; i++ {
-		tv[i].Sec = ts[i].Sec
-		tv[i].Usec = ts[i].Nsec / 1000
+	return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
+}
+
+func UtimesNanoAt(dirfd int, path string, ts []Timespec, flags int) error {
+	if ts == nil {
+		return utimensat(dirfd, path, nil, flags)
 	}
-	return Utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
+	if len(ts) != 2 {
+		return EINVAL
+	}
+	return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), flags)
 }

 //sys	fcntl(fd int, cmd int, arg int) (val int, err error)
@@ -302,6 +346,35 @@ func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error {
 	return nil
 }

+//sys	futimesat(fildes int, path *byte, times *[2]Timeval) (err error)
+
+func Futimesat(dirfd int, path string, tv []Timeval) error {
+	pathp, err := BytePtrFromString(path)
+	if err != nil {
+		return err
+	}
+	if tv == nil {
+		return futimesat(dirfd, pathp, nil)
+	}
+	if len(tv) != 2 {
+		return EINVAL
+	}
+	return futimesat(dirfd, pathp, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
+}
+
+// Solaris doesn't have an futimes function because it allows NULL to be
+// specified as the path for futimesat.  However, Go doesn't like
+// NULL-style string interfaces, so this simple wrapper is provided.
+func Futimes(fd int, tv []Timeval) error {
+	if tv == nil {
+		return futimesat(fd, nil, nil)
+	}
+	if len(tv) != 2 {
+		return EINVAL
+	}
+	return futimesat(fd, nil, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
+}
+
 func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) {
 	switch rsa.Addr.Family {
 	case AF_UNIX:
@@ -350,7 +423,7 @@ 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 {
+	if nfd == -1 {
 		return
 	}
 	sa, err = anyToSockaddr(&rsa)
@@ -361,6 +434,8 @@ func Accept(fd int) (nfd int, sa Sockaddr, err error) {
 	return
 }

+//sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error) = libsocket.recvmsg
+
 func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
 	var msg Msghdr
 	var rsa RawSockaddrAny
@@ -382,7 +457,7 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from
 	}
 	msg.Iov = &iov
 	msg.Iovlen = 1
-	if n, err = recvmsg(fd, &msg, flags); err != nil {
+	if n, err = recvmsg(fd, &msg, flags); n == -1 {
 		return
 	}
 	oobn = int(msg.Accrightslen)
@@ -437,6 +512,67 @@ func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error)
 	return n, nil
 }

+//sys	acct(path *byte) (err error)
+
+func Acct(path string) (err error) {
+	if len(path) == 0 {
+		// Assume caller wants to disable accounting.
+		return acct(nil)
+	}
+
+	pathp, err := BytePtrFromString(path)
+	if err != nil {
+		return err
+	}
+	return acct(pathp)
+}
+
+/*
+ * Expose the ioctl function
+ */
+
+//sys	ioctl(fd int, req int, arg uintptr) (err error)
+
+func IoctlSetInt(fd int, req int, value int) (err error) {
+	return ioctl(fd, req, uintptr(value))
+}
+
+func IoctlSetWinsize(fd int, req int, value *Winsize) (err error) {
+	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
+}
+
+func IoctlSetTermios(fd int, req int, value *Termios) (err error) {
+	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
+}
+
+func IoctlSetTermio(fd int, req int, value *Termio) (err error) {
+	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
+}
+
+func IoctlGetInt(fd int, req int) (int, error) {
+	var value int
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return value, err
+}
+
+func IoctlGetWinsize(fd int, req int) (*Winsize, error) {
+	var value Winsize
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return &value, err
+}
+
+func IoctlGetTermios(fd int, req int) (*Termios, error) {
+	var value Termios
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return &value, err
+}
+
+func IoctlGetTermio(fd int, req int) (*Termio, error) {
+	var value Termio
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return &value, err
+}
+
 /*
 * Exposed directly
 */
@@ -447,21 +583,29 @@ func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error)
 //sys	Chown(path string, uid int, gid int) (err error)
 //sys	Chroot(path string) (err error)
 //sys	Close(fd int) (err error)
+//sys	Creat(path string, mode uint32) (fd int, err error)
 //sys	Dup(fd int) (nfd int, err error)
+//sys	Dup2(oldfd int, newfd int) (err error)
 //sys	Exit(code int)
 //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	Fchown(fd int, uid int, gid int) (err error)
+//sys	Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
+//sys	Fdatasync(fd int) (err error)
 //sys	Fpathconf(fd int, name int) (val int, err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error)
 //sys	Getdents(fd int, buf []byte, basep *uintptr) (n int, err error)
 //sysnb	Getgid() (gid int)
 //sysnb	Getpid() (pid int)
+//sysnb	Getpgid(pid int) (pgid int, err error)
+//sysnb	Getpgrp() (pgid int, err error)
 //sys	Geteuid() (euid int)
 //sys	Getegid() (egid int)
 //sys	Getppid() (ppid int)
 //sys	Getpriority(which int, who int) (n int, err error)
 //sysnb	Getrlimit(which int, lim *Rlimit) (err error)
+//sysnb	Getrusage(who int, rusage *Rusage) (err error)
 //sysnb	Gettimeofday(tv *Timeval) (err error)
 //sysnb	Getuid() (uid int)
 //sys	Kill(pid int, signum syscall.Signal) (err error)
@@ -471,20 +615,33 @@ func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error)
 //sys	Lstat(path string, stat *Stat_t) (err error)
 //sys	Madvise(b []byte, advice int) (err error)
 //sys	Mkdir(path string, mode uint32) (err error)
+//sys	Mkdirat(dirfd int, path string, mode uint32) (err error)
+//sys	Mkfifo(path string, mode uint32) (err error)
+//sys	Mkfifoat(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	Mlock(b []byte) (err error)
+//sys	Mlockall(flags int) (err error)
+//sys	Mprotect(b []byte, prot int) (err error)
+//sys	Munlock(b []byte) (err error)
+//sys	Munlockall() (err error)
 //sys	Nanosleep(time *Timespec, leftover *Timespec) (err error)
 //sys	Open(path string, mode int, perm uint32) (fd int, err error)
+//sys	Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error)
 //sys	Pathconf(path string, name int) (val int, err error)
+//sys	Pause() (err error)
 //sys	Pread(fd int, p []byte, offset int64) (n int, err error)
 //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error)
 //sys	read(fd int, p []byte) (n int, err error)
 //sys	Readlink(path string, buf []byte) (n int, err error)
 //sys	Rename(from string, to string) (err error)
+//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Rmdir(path string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (newoffset int64, err error) = lseek
 //sysnb	Setegid(egid int) (err error)
 //sysnb	Seteuid(euid int) (err error)
 //sysnb	Setgid(gid int) (err error)
+//sys	Sethostname(p []byte) (err error)
 //sysnb	Setpgid(pid int, pgid int) (err error)
 //sys	Setpriority(which int, who int, prio int) (err error)
 //sysnb	Setregid(rgid int, egid int) (err error)
@@ -496,12 +653,17 @@ func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error)
 //sys	Stat(path string, stat *Stat_t) (err error)
 //sys	Symlink(path string, link string) (err error)
 //sys	Sync() (err error)
+//sysnb	Times(tms *Tms) (ticks uintptr, err error)
 //sys	Truncate(path string, length int64) (err error)
 //sys	Fsync(fd int) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
-//sys	Umask(newmask int) (oldmask int)
+//sys	Umask(mask int) (oldmask int)
+//sysnb	Uname(buf *Utsname) (err error)
+//sys	Unmount(target string, flags int) (err error) = libc.umount
 //sys	Unlink(path string) (err error)
-//sys	Utimes(path string, times *[2]Timeval) (err error)
+//sys	Unlinkat(dirfd int, path string, flags int) (err error)
+//sys	Ustat(dev int, ubuf *Ustat_t) (err error)
+//sys	Utime(path string, buf *Utimbuf) (err error)
 //sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) = libsocket.bind
 //sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) = libsocket.connect
 //sys	mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
@@ -512,10 +674,8 @@ func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error)
 //sys	write(fd int, p []byte) (n int, err error)
 //sys	getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) = libsocket.getsockopt
 //sysnb	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) = libsocket.getpeername
-//sys	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) = libsocket.getsockname
 //sys	setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) = libsocket.setsockopt
 //sys	recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) = libsocket.recvfrom
-//sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error) = libsocket.recvmsg

 func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
 	r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procread)), 3, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf), 0, 0, 0)
@@ -548,3 +708,18 @@ func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, e
 func Munmap(b []byte) (err error) {
 	return mapper.Munmap(b)
 }
+
+//sys	sysconf(name int) (n int64, err error)
+
+// pageSize caches the value of Getpagesize, since it can't change
+// once the system is booted.
+var pageSize int64 // accessed atomically
+
+func Getpagesize() int {
+	n := atomic.LoadInt64(&pageSize)
+	if n == 0 {
+		n, _ = sysconf(_SC_PAGESIZE)
+		atomic.StoreInt64(&pageSize, n)
+	}
+	return int(n)
+}