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glibc  2.9
old_pthread_cond_init.c
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00001 /* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <errno.h>
00021 #include "pthreadP.h"
00022 #include <shlib-compat.h>
00023 
00024 
00025 #if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_3_2)
00026 int
00027 __pthread_cond_init_2_0 (cond, cond_attr)
00028      pthread_cond_2_0_t *cond;
00029      const pthread_condattr_t *cond_attr;
00030 {
00031   struct pthread_condattr *icond_attr = (struct pthread_condattr *) cond_attr;
00032 
00033   /* The type of the first argument is actually that of the old, too
00034      small pthread_cond_t.  We use only the first word of it, as a
00035      pointer.  */
00036   cond->cond = NULL;
00037 
00038   /* We can't support PSHARED condvars in the old pthread_cond_*
00039      functions and neither clocks other than CLOCK_REALTIME.  */
00040   if (icond_attr != NULL && icond_attr->value)
00041     return EINVAL;
00042 
00043   return 0;
00044 }
00045 compat_symbol (libpthread, __pthread_cond_init_2_0, pthread_cond_init,
00046               GLIBC_2_0);
00047 #endif