newlib-cygwin/newlib/libc/sys/linux/linuxthreads/td_ta_delete.c

59 lines
1.7 KiB
C

/* Detach to target process.
Copyright (C) 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdlib.h>
#include "thread_dbP.h"
td_err_e
td_ta_delete (td_thragent_t *ta)
{
LOG ("td_ta_delete");
/* Safety check. */
if (ta == NULL || __td_agent_list == NULL)
return TD_BADTA;
/* Remove the handle from the list. */
if (ta == __td_agent_list->ta)
/* It's the first element of the list. */
__td_agent_list = __td_agent_list->next;
else
{
/* We have to search for it. */
struct agent_list *runp = __td_agent_list;
while (runp->next != NULL && runp->next->ta != ta)
runp = runp->next;
if (runp->next == NULL)
/* It's not a valid decriptor since it is not in the list. */
return TD_BADTA;
runp->next = runp->next->next;
}
/* The handle was allocated in `td_ta_new'. */
free (ta);
return TD_OK;
}