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-rw-r--r--REORG.TODO/sysdeps/mach/hurd/getpgid.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/hurd/getpgid.c b/REORG.TODO/sysdeps/mach/hurd/getpgid.c
new file mode 100644
index 0000000000..51d5ff581c
--- /dev/null
+++ b/REORG.TODO/sysdeps/mach/hurd/getpgid.c
@@ -0,0 +1,42 @@
+/* Copyright (C) 1991-2017 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>
+
+/* Get the process group ID of process PID.  */
+int
+__getpgid (pid_t pid)
+{
+  error_t err;
+  pid_t pgrp;
+
+  if (pid == 0)
+    {
+      /* Assume atomic word fetch and store, so don't lock _hurd_pid_lock.  */
+      pgrp = _hurd_pgrp;
+      err = 0;
+    }
+  else
+    err = __USEPORT (PROC, __proc_getpgrp (port, pid, &pgrp));
+
+  return err ? __hurd_fail (err) : pgrp;
+}
+libc_hidden_def (__getpgid)
+weak_alias (__getpgid, getpgid)