[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/hurd/hurdid.c b/ap/libc/glibc/glibc-2.22/hurd/hurdid.c
new file mode 100644
index 0000000..6497dbe
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/hurd/hurdid.c
@@ -0,0 +1,90 @@
+/* Copyright (C) 1993-2015 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 <hurd.h>
+#include <hurd/id.h>
+
+struct hurd_id_data _hurd_id;
+
+
+/* Check that _hurd_id.{gen,aux} are valid and update them if not.
+ Expects _hurd_id.lock to be held and does not release it. */
+
+error_t
+_hurd_check_ids (void)
+{
+ if (! _hurd_id.valid)
+ {
+ inline void dealloc (__typeof (_hurd_id.gen) *p)
+ {
+ if (p->uids)
+ {
+ __vm_deallocate (__mach_task_self (),
+ (vm_address_t) p->uids,
+ p->nuids * sizeof (uid_t));
+ p->uids = NULL;
+ }
+ p->nuids = 0;
+ if (p->gids)
+ {
+ __vm_deallocate (__mach_task_self (),
+ (vm_address_t) p->gids,
+ p->ngids * sizeof (gid_t));
+ p->gids = NULL;
+ }
+ p->ngids = 0;
+ }
+
+ error_t err;
+
+ dealloc (&_hurd_id.gen);
+ dealloc (&_hurd_id.aux);
+
+ if (_hurd_id.rid_auth != MACH_PORT_NULL)
+ {
+ __mach_port_deallocate (__mach_task_self (), _hurd_id.rid_auth);
+ _hurd_id.rid_auth = MACH_PORT_NULL;
+ }
+
+ if (err = __USEPORT (AUTH, __auth_getids
+ (port,
+ &_hurd_id.gen.uids, &_hurd_id.gen.nuids,
+ &_hurd_id.aux.uids, &_hurd_id.aux.nuids,
+ &_hurd_id.gen.gids, &_hurd_id.gen.ngids,
+ &_hurd_id.aux.gids, &_hurd_id.aux.ngids)))
+ return err;
+
+ _hurd_id.valid = 1;
+ }
+
+ return 0;
+}
+
+static void
+init_id (void)
+{
+ __mutex_init (&_hurd_id.lock);
+ _hurd_id.valid = 0;
+ _hurd_id.rid_auth = MACH_PORT_NULL;
+ _hurd_id.gen.uids = _hurd_id.aux.uids = NULL;
+ _hurd_id.gen.nuids = _hurd_id.aux.nuids = 0;
+ _hurd_id.gen.gids = _hurd_id.aux.gids = NULL;
+ _hurd_id.gen.ngids = _hurd_id.aux.ngids = 0;
+
+ (void) &init_id; /* Avoid "defined but not used" warning. */
+}
+text_set_element (_hurd_preinit_hook, init_id);