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/* Deallocate the kernel thread resources. Viengoos version.
Copyright (C) 2007, 2008 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <assert.h>
#include <errno.h>
#include <pt-internal.h>
#include <viengoos/thread.h>
void
__pthread_thread_halt (struct __pthread *thread)
{
/* We need to be careful. This function is called in three
situations: by the thread itself when it is about to exit, by a
thread joining it, and when reusing an existing thread. Hence,
it must be kosher to interrupt this functions execution at any
point: syncronization is difficult as in the first case, there is
no way to indicate completion. */
if (thread->have_kernel_resources)
{
if (thread == _pthread_self ())
{
while (1)
vg_suspend ();
}
else
{
error_t err = vg_thread_stop (thread->object);
if (err)
panic ("Failed to halt " VG_ADDR_FMT ": %d",
VG_ADDR_PRINTF (thread->object), err);
}
}
}
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