Imported Upstream version 2012.01.27upstream-weekly/2012.01.27

1 files changed, 58 insertions, 50 deletions

diff --git a/src/pkg/syscall/syscall_linux_arm.go b/src/pkg/syscall/syscall_linux_arm.go
index 8c03c765c..744e035f7 100644
--- a/src/pkg/syscall/syscall_linux_arm.go
+++ b/src/pkg/syscall/syscall_linux_arm.go
@@ -25,94 +25,102 @@ func NsecToTimeval(nsec int64) (tv Timeval) {
 
 // Pread and Pwrite are special: they insert padding before the int64.
 
-func Pread(fd int, p []byte, offset int64) (n int, errno int) {
+func Pread(fd int, p []byte, offset int64) (n int, err error) {
 	var _p0 unsafe.Pointer
 	if len(p) > 0 {
 		_p0 = unsafe.Pointer(&p[0])
 	}
 	r0, _, e1 := Syscall6(SYS_PREAD64, uintptr(fd), uintptr(_p0), uintptr(len(p)), 0, uintptr(offset), uintptr(offset>>32))
 	n = int(r0)
-	errno = int(e1)
+	if e1 != 0 {
+		err = e1
+	}
 	return
 }
 
-func Pwrite(fd int, p []byte, offset int64) (n int, errno int) {
+func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
 	var _p0 unsafe.Pointer
 	if len(p) > 0 {
 		_p0 = unsafe.Pointer(&p[0])
 	}
 	r0, _, e1 := Syscall6(SYS_PWRITE64, uintptr(fd), uintptr(_p0), uintptr(len(p)), 0, uintptr(offset), uintptr(offset>>32))
 	n = int(r0)
-	errno = int(e1)
+	if e1 != 0 {
+		err = e1
+	}
 	return
 }
 
-func Ftruncate(fd int, length int64) (errno int) {
+func Ftruncate(fd int, length int64) (err error) {
 	// ARM EABI requires 64-bit arguments should be put in a pair
 	// of registers from an even register number.
 	_, _, e1 := Syscall6(SYS_FTRUNCATE64, uintptr(fd), 0, uintptr(length), uintptr(length>>32), 0, 0)
-	errno = int(e1)
+	if e1 != 0 {
+		err = e1
+	}
 	return
 }
 
-func Truncate(path string, length int64) (errno int) {
+func Truncate(path string, length int64) (err error) {
 	_, _, e1 := Syscall6(SYS_TRUNCATE64, uintptr(unsafe.Pointer(StringBytePtr(path))), 0, uintptr(length), uintptr(length>>32), 0, 0)
-	errno = int(e1)
+	if e1 != 0 {
+		err = e1
+	}
 	return
 }
 
 // Seek is defined in assembly.
 
-func Seek(fd int, offset int64, whence int) (newoffset int64, errno int)
-
-//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, errno int)
-//sys	bind(s int, addr uintptr, addrlen _Socklen) (errno int)
-//sys	connect(s int, addr uintptr, addrlen _Socklen) (errno int)
-//sysnb	getgroups(n int, list *_Gid_t) (nn int, errno int) = SYS_GETGROUPS32
-//sysnb	setgroups(n int, list *_Gid_t) (errno int) = SYS_SETGROUPS32
-//sys	getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (errno int)
-//sys	setsockopt(s int, level int, name int, val uintptr, vallen uintptr) (errno int)
-//sysnb	socket(domain int, typ int, proto int) (fd int, errno int)
-//sysnb	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int)
-//sysnb	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int)
-//sys	recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, errno int)
-//sys	sendto(s int, buf []byte, flags int, to uintptr, addrlen _Socklen) (errno int)
-//sysnb	socketpair(domain int, typ int, flags int, fd *[2]int) (errno int)
-//sys	recvmsg(s int, msg *Msghdr, flags int) (n int, errno int)
-//sys	sendmsg(s int, msg *Msghdr, flags int) (errno int)
-
-//sys	Chown(path string, uid int, gid int) (errno int)
-//sys	Fchown(fd int, uid int, gid int) (errno int)
-//sys	Fstat(fd int, stat *Stat_t) (errno int) = SYS_FSTAT64
-//sys	Fstatfs(fd int, buf *Statfs_t) (errno int) = SYS_FSTATFS64
+func Seek(fd int, offset int64, whence int) (newoffset int64, err error)
+
+//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
+//sys	bind(s int, addr uintptr, addrlen _Socklen) (err error)
+//sys	connect(s int, addr uintptr, addrlen _Socklen) (err error)
+//sysnb	getgroups(n int, list *_Gid_t) (nn int, err error) = SYS_GETGROUPS32
+//sysnb	setgroups(n int, list *_Gid_t) (err error) = SYS_SETGROUPS32
+//sys	getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error)
+//sys	setsockopt(s int, level int, name int, val uintptr, vallen uintptr) (err error)
+//sysnb	socket(domain int, typ int, proto int) (fd int, err error)
+//sysnb	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
+//sysnb	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
+//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 uintptr, addrlen _Socklen) (err error)
+//sysnb	socketpair(domain int, typ int, flags int, fd *[2]int) (err error)
+//sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
+//sys	sendmsg(s int, msg *Msghdr, flags int) (err error)
+
+//sys	Chown(path string, uid int, gid int) (err error)
+//sys	Fchown(fd int, uid int, gid int) (err error)
+//sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
+//sys	Fstatfs(fd int, buf *Statfs_t) (err error) = SYS_FSTATFS64
 //sysnb	Getegid() (egid int)
 //sysnb	Geteuid() (euid int)
 //sysnb	Getgid() (gid int)
 //sysnb	Getuid() (uid int)
-//sys	Lchown(path string, uid int, gid int) (errno int)
-//sys	Listen(s int, n int) (errno int)
-//sys	Lstat(path string, stat *Stat_t) (errno int) = SYS_LSTAT64
-//sys	Sendfile(outfd int, infd int, offset *int64, count int) (written int, errno int) = SYS_SENDFILE64
-//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, errno int) = SYS__NEWSELECT
-//sys	Setfsgid(gid int) (errno int)
-//sys	Setfsuid(uid int) (errno int)
-//sysnb	Setgid(gid int) (errno int)
-//sysnb	Setregid(rgid int, egid int) (errno int)
-//sysnb	Setresgid(rgid int, egid int, sgid int) (errno int)
-//sysnb	Setresuid(ruid int, euid int, suid int) (errno int)
-//sysnb	Setreuid(ruid int, euid int) (errno int)
-//sys	Shutdown(fd int, how int) (errno int)
-//sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, errno int)
-//sys	Stat(path string, stat *Stat_t) (errno int) = SYS_STAT64
-//sys	Statfs(path string, buf *Statfs_t) (errno int) = SYS_STATFS64
+//sys	Lchown(path string, uid int, gid int) (err error)
+//sys	Listen(s int, n int) (err error)
+//sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
+//sys	Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
+//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
+//sys	Setfsgid(gid int) (err error)
+//sys	Setfsuid(uid int) (err error)
+//sysnb	Setgid(gid int) (err error)
+//sysnb	Setregid(rgid int, egid int) (err error)
+//sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
+//sysnb	Setresuid(ruid int, euid int, suid int) (err error)
+//sysnb	Setreuid(ruid int, euid int) (err error)
+//sys	Shutdown(fd int, how int) (err error)
+//sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
+//sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
+//sys	Statfs(path string, buf *Statfs_t) (err error) = SYS_STATFS64
 
 // Vsyscalls on amd64.
-//sysnb	Gettimeofday(tv *Timeval) (errno int)
-//sysnb	Time(t *Time_t) (tt Time_t, errno int)
+//sysnb	Gettimeofday(tv *Timeval) (err error)
+//sysnb	Time(t *Time_t) (tt Time_t, err error)
 
-//sys	mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, errno int)
+//sys	mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error)
 
-func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, errno int) {
+func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) {
 	page := uintptr(offset / 4096)
 	if offset != int64(page)*4096 {
 		return 0, EINVAL