1 files changed, 101 insertions, 0 deletions
diff --git a/posix/streams-compat.c b/posix/streams-compat.c
new file mode 100644
index 0000000000..30e9b5743a
--- /dev/null
+++ b/posix/streams-compat.c
@@ -0,0 +1,101 @@
+/* Compatibility symbols for the unimplemented XSI STREAMS extension.
+   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <shlib-compat.h>
+
+#if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_30)
+
+# include <errno.h>
+# include <fcntl.h>
+
+struct strbuf;
+
+int
+attribute_compat_text_section
+fattach (int fildes, const char *path)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+compat_symbol (libc, fattach, fattach, GLIBC_2_1);
+
+int
+attribute_compat_text_section
+fdetach (const char *path)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+compat_symbol (libc, fdetach, fdetach, GLIBC_2_1);
+
+
+int
+attribute_compat_text_section
+getmsg (int fildes, struct strbuf *ctlptr, struct strbuf *dataptr, int *flagsp)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+compat_symbol (libc, getmsg, getmsg, GLIBC_2_1);
+
+int
+attribute_compat_text_section
+getpmsg (int fildes, struct strbuf *ctlptr, struct strbuf *dataptr, int *bandp,
+	 int *flagsp)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+compat_symbol (libc, getpmsg, getpmsg, GLIBC_2_1);
+
+int
+attribute_compat_text_section
+isastream (int fildes)
+{
+  /* In general we do not have a STREAMS implementation and therefore
+     return 0.  But for invalid file descriptors we have to return an
+     error.  */
+  if (__fcntl (fildes, F_GETFD) < 0)
+    return -1;
+
+  /* No STREAM.  */
+  return 0;
+}
+compat_symbol (libc, isastream, isastream, GLIBC_2_1);
+
+int
+attribute_compat_text_section
+putmsg (int fildes, const struct strbuf *ctlptr, const struct strbuf *dataptr,
+	int flags)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+compat_symbol (libc, putmsg, putmsg, GLIBC_2_1);
+
+int
+attribute_compat_text_section
+putpmsg (int fildes, const struct strbuf *ctlptr, const struct strbuf *dataptr,
+	 int band, int flags)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+compat_symbol (libc, putpmsg, putpmsg, GLIBC_2_1);
+
+#endif /* SHLIB_COMPAT */