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* old_pthread_cond_init.c: Include <errno.h>.

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(__pthread_cond_init_2_0): Fail with EINVAL if COND_ATTR is
	process shared or uses clock other than CLOCK_REALTIME.
	* pthread_cond_init.c (__pthread_cond_init): Remove bogus comment.
This commit is contained in:
Roland McGrath
2005-04-15 22:19:39 +00:00
parent 21cee297ec
commit 4a035b9da9
3 changed files with 16 additions and 7 deletions
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12
nptl/old_pthread_cond_init.c
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@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -17,6 +17,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include "pthreadP.h"
#include <shlib-compat.h>
@ -27,15 +28,18 @@ __pthread_cond_init_2_0 (cond, cond_attr)
pthread_cond_2_0_t *cond;
const pthread_condattr_t *cond_attr;
{
/* Note that we don't need the COND-ATTR. It contains only the
PSHARED flag which is unimportant here since conditional
variables are always usable in multiple processes. */
struct pthread_condattr *icond_attr = (struct pthread_condattr *) cond_attr;
/* The type of the first argument is actually that of the old, too
small pthread_cond_t. We use only the first word of it, as a
pointer. */
cond->cond = NULL;
/* We can't support PSHARED condvars in the old pthread_cond_*
functions and neither clocks other than CLOCK_REALTIME. */
if (icond_attr != NULL && icond_attr->value)
return EINVAL;
return 0;
}
compat_symbol (libpthread, __pthread_cond_init_2_0, pthread_cond_init,