1 /* Detach to target process.
2    Copyright (C) 1999, 2001 Free Software Foundation, Inc.
3    This file is part of the GNU C Library.
4    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
5 
6    The GNU C Library is free software; you can redistribute it and/or
7    modify it under the terms of the GNU Lesser General Public
8    License as published by the Free Software Foundation; either
9    version 2.1 of the License, or (at your option) any later version.
10 
11    The GNU C Library is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14    Lesser General Public License for more details.
15 
16    You should have received a copy of the GNU Lesser General Public
17    License along with the GNU C Library; if not, see
18    <http://www.gnu.org/licenses/>.  */
19 
20 #include <stdlib.h>
21 
22 #include "thread_dbP.h"
23 
24 
25 td_err_e
td_ta_delete(td_thragent_t * ta)26 td_ta_delete (td_thragent_t *ta)
27 {
28   LOG ("td_ta_delete");
29 
30   /* Safety check.  */
31   if (ta == NULL || __td_agent_list == NULL)
32     return TD_BADTA;
33 
34   /* Remove the handle from the list.  */
35   if (ta == __td_agent_list->ta)
36     /* It's the first element of the list.  */
37     __td_agent_list = __td_agent_list->next;
38   else
39     {
40       /* We have to search for it.  */
41       struct agent_list *runp = __td_agent_list;
42 
43       while (runp->next != NULL && runp->next->ta != ta)
44 	runp = runp->next;
45 
46       if (runp->next == NULL)
47 	/* It's not a valid descriptor since it is not in the list.  */
48 	return TD_BADTA;
49 
50       runp->next = runp->next->next;
51     }
52 
53   /* The handle was allocated in `td_ta_new'.  */
54   free (ta);
55 
56   return TD_OK;
57 }
58