This patch to libgo adds some system calls to the syscall package.
Bootstrapped and ran Go testsuite on x86_64-unknown-linux-gnu.
Committed to mainline and 4.8 branch, since these calls were in Go
1.1.2.
Ian
diff -r 1fab07e328de libgo/configure.ac
--- a/libgo/configure.ac Thu Oct 17 08:41:31 2013 -0700
+++ b/libgo/configure.ac Thu Oct 17 11:32:19 2013 -0700
@@ -503,7 +503,7 @@
AM_CONDITIONAL(HAVE_STRERROR_R, test "$ac_cv_func_strerror_r" = yes)
AM_CONDITIONAL(HAVE_WAIT4, test "$ac_cv_func_wait4" = yes)
-AC_CHECK_FUNCS(accept4 epoll_create1 faccessat fallocate fchmodat fchownat futimesat inotify_add_watch inotify_init inotify_init1 inotify_rm_watch mkdirat mknodat openat pipe2 renameat sync_file_range splice tee unlinkat unshare utimensat)
+AC_CHECK_FUNCS(accept4 dup3 epoll_create1 faccessat fallocate fchmodat fchownat futimesat getxattr inotify_add_watch inotify_init inotify_init1 inotify_rm_watch listxattr mkdirat mknodat openat pipe2 removexattr renameat setxattr sync_file_range splice tee unlinkat unshare utimensat)
AC_TYPE_OFF_T
AC_CHECK_TYPES([loff_t])
diff -r 1fab07e328de libgo/go/syscall/libcall_linux.go
--- a/libgo/go/syscall/libcall_linux.go Thu Oct 17 08:41:31 2013 -0700
+++ b/libgo/go/syscall/libcall_linux.go Thu Oct 17 11:32:19 2013 -0700
@@ -190,6 +190,9 @@
//sys Adjtimex(buf *Timex) (state int, err error)
//adjtimex(buf *Timex) _C_int
+//sysnb Dup3(oldfd int, newfd int, flags int) (err error)
+//dup3(oldfd _C_int, newfd _C_int, flags _C_int) _C_int
+
//sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
//faccessat(dirfd _C_int, pathname *byte, mode _C_int, flags _C_int) _C_int
@@ -268,6 +271,9 @@
return origlen - len(buf), count, names
}
+//sys Getxattr(path string, attr string, dest []byte) (sz int, err error)
+//getxattr(path *byte, attr *byte, buf *byte, count Size_t) Ssize_t
+
//sys InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, err error)
//inotify_add_watch(fd _C_int, pathname *byte, mask uint32) _C_int
@@ -283,6 +289,9 @@
//sys Klogctl(typ int, buf []byte) (n int, err error)
//klogctl(typ _C_int, bufp *byte, len _C_int) _C_int
+//sys Listxattr(path string, dest []byte) (sz int, err error)
+//listxattr(path *byte, list *byte, size Size_t) Ssize_t
+
//sys Mkdirat(dirfd int, path string, mode uint32) (err error)
//mkdirat(dirfd _C_int, path *byte, mode Mode_t) _C_int
@@ -305,6 +314,9 @@
//sys PivotRoot(newroot string, putold string) (err error)
//pivot_root(newroot *byte, putold *byte) _C_int
+//sys Removexattr(path string, attr string) (err error)
+//removexattr(path *byte, name *byte) _C_int
+
//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
//renameat(olddirfd _C_int, oldpath *byte, newdirfd _C_int, newpath *byte) _C_int
@@ -338,6 +350,9 @@
//sysnb Setresuid(ruid int, eguid int, suid int) (err error)
//setresuid(ruid Uid_t, euid Uid_t, suid Uid_t) _C_int
+//sys Setxattr(path string, attr string, data []byte, flags int) (err error)
+//setxattr(path *byte, name *byte, value *byte, size Size_t, flags _C_int) _C_int
+
//sys splice(rfd int, roff *_loff_t, wfd int, woff *_loff_t, len int, flags int) (n int64, err error)
//splice(rfd _C_int, roff *_loff_t, wfd _C_int, woff *_loff_t, len Size_t, flags _C_uint) Ssize_t
func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) {
diff -r 1fab07e328de libgo/go/syscall/libcall_posix.go
--- a/libgo/go/syscall/libcall_posix.go Thu Oct 17 08:41:31 2013 -0700
+++ b/libgo/go/syscall/libcall_posix.go Thu Oct 17 11:32:19 2013 -0700
@@ -238,6 +238,9 @@
//sysnb Getppid() (ppid int)
//getppid() Pid_t
+//sys Getpriority(which int, who int) (prio int, err error)
+//getpriority(which _C_int, who _C_int) _C_int
+
//sysnb Getrlimit(resource int, rlim *Rlimit) (err error)
//getrlimit(resource _C_int, rlim *Rlimit) _C_int
@@ -307,6 +310,9 @@
//sysnb Setpgid(pid int, pgid int) (err error)
//setpgid(pid Pid_t, pgid Pid_t) _C_int
+//sys Setpriority(which int, who int, prio int) (err error)
+//setpriority(which _C_int, who _C_int, prio _C_int) _C_int
+
//sysnb Setreuid(ruid int, euid int) (err error)
//setreuid(ruid Uid_t, euid Uid_t) _C_int
diff -r 1fab07e328de libgo/mksysinfo.sh
--- a/libgo/mksysinfo.sh Thu Oct 17 08:41:31 2013 -0700
+++ b/libgo/mksysinfo.sh Thu Oct 17 11:32:19 2013 -0700
@@ -1035,6 +1035,10 @@
grep '^const _LOCK_' gen-sysinfo.go |
sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
+# The PRIO constants.
+grep '^const _PRIO_' gen-sysinfo.go | \
+ sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
+
# The GNU/Linux LINUX_REBOOT flags.
grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
diff -r 1fab07e328de libgo/runtime/go-nosys.c
--- a/libgo/runtime/go-nosys.c Thu Oct 17 08:41:31 2013 -0700
+++ b/libgo/runtime/go-nosys.c Thu Oct 17 11:32:19 2013 -0700
@@ -43,6 +43,17 @@
}
#endif
+#ifndef HAVE_DUP3
+int
+dup3 (int oldfd __attribute__ ((unused)),
+ int newfd __attribute__ ((unused)),
+ int flags __attribtue__ ((unused)))
+{
+ errno = ENOSYS;
+ return -1;
+}
+#endif
+
#ifndef HAVE_EPOLL_CREATE1
int
epoll_create1 (int flags __attribute__ ((unused)))
@@ -112,6 +123,18 @@
}
#endif
+#ifndef HAVE_GETXATTR
+ssize_t
+getxattr (const char *path __attribute__ ((unused)),
+ const char *name __attribute__ ((unused)),
+ void *value __attribute__ ((unused)),
+ size_t size __attribute__ ((unused)))
+{
+ errno = ENOSYS;
+ return -1;
+}
+#endif
+
#ifndef HAVE_INOTIFY_ADD_WATCH
int
inotify_add_watch (int fd __attribute__ ((unused)),
@@ -151,6 +174,17 @@
}
#endif
+#ifndef HAVE_LISTXATTR
+ssize_t
+listxattr (const char *path __attribute__ ((unused)),
+ char *list __attribute__ ((unused)),
+ size_t size __attribute__ ((unused)))
+{
+ errno = ENOSYS;
+ return -1;
+}
+#endif
+
#ifndef HAVE_MKDIRAT
int
mkdirat (int dirfd __attribute__ ((unused)),
@@ -196,6 +230,16 @@
}
#endif
+#ifndef HAVE_REMOVEXATTR
+int
+removexattr (const char *path __attribute__ ((unused)),
+ const char *name __attribute__ ((unused)))
+{
+ errno = ENOSYS;
+ return -1;
+}
+#endif
+
#ifndef HAVE_RENAMEAT
int
renameat (int olddirfd __attribute__ ((unused)),
@@ -208,6 +252,19 @@
}
#endif
+#ifndef HAVE_SETXATTR
+int
+setxattr (const char *path __attribute__ ((unused)),
+ const char *name __attribute__ ((unused)),
+ const void *value __attribute__ ((unused)),
+ size_t size __attribute__ ((unused)),
+ int flags __attribute__ ((unused)))
+{
+ errno = ENOSYS;
+ return -1;
+}
+#endif
+
#ifndef HAVE_SPLICE
int
splice (int fd __attribute__ ((unused)),
