1 files changed, 54 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/hurd/setpgid.c b/REORG.TODO/sysdeps/mach/hurd/setpgid.c
new file mode 100644
index 0000000000..1de4c574d5
--- /dev/null
+++ b/REORG.TODO/sysdeps/mach/hurd/setpgid.c
@@ -0,0 +1,54 @@
+/* Copyright (C) 1993-2017 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 <errno.h>
+#include <unistd.h>
+#include <hurd.h>
+#include <hurd/port.h>
+
+/* Set the process group ID of the process matching PID to PGID.
+   If PID is zero, the current process's process group ID is set.
+   If PGID is zero, the process ID of the process is used.  */
+int
+__setpgid (pid_t pid, pid_t pgid)
+{
+  error_t err;
+  unsigned int stamp;
+
+  stamp = _hurd_pids_changed_stamp; /* Atomic fetch.  */
+
+  if (err = __USEPORT (PROC, __proc_setpgrp (port, pid, pgid)))
+    return __hurd_fail (err);
+
+  if (pid == 0 || pid == _hurd_pid)
+    /* Synchronize with the signal thread to make sure we have
+       received and processed proc_newids before returning to the user.  */
+    while (_hurd_pids_changed_stamp == stamp)
+      {
+#ifdef noteven
+	/* XXX we have no need for a mutex, but cthreads demands one.  */
+	__condition_wait (&_hurd_pids_changed_sync, NULL);
+#else
+	__swtch_pri(0);
+#endif
+      }
+
+  return 0;
+
+}
+libc_hidden_def (__setpgid)
+weak_alias (__setpgid, setpgid)