glibc/nptl/pthread_attr_setdetachstate.c

48 lines
1.6 KiB
C

/* Copyright (C) 2002-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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 <assert.h>
#include <errno.h>
#include "pthreadP.h"
int
__pthread_attr_setdetachstate (attr, detachstate)
pthread_attr_t *attr;
int detachstate;
{
struct pthread_attr *iattr;
assert (sizeof (*attr) >= sizeof (struct pthread_attr));
iattr = (struct pthread_attr *) attr;
/* Catch invalid values. */
if (detachstate != PTHREAD_CREATE_DETACHED
&& __builtin_expect (detachstate != PTHREAD_CREATE_JOINABLE, 0))
return EINVAL;
/* Set the flag. It is nonzero if threads are created detached. */
if (detachstate == PTHREAD_CREATE_DETACHED)
iattr->flags |= ATTR_FLAG_DETACHSTATE;
else
iattr->flags &= ~ATTR_FLAG_DETACHSTATE;
return 0;
}
strong_alias (__pthread_attr_setdetachstate, pthread_attr_setdetachstate)