diff options
Diffstat (limited to 'libpthread/nptl/pthread_condattr_setpshared.c')
-rw-r--r-- | libpthread/nptl/pthread_condattr_setpshared.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/libpthread/nptl/pthread_condattr_setpshared.c b/libpthread/nptl/pthread_condattr_setpshared.c new file mode 100644 index 000000000..f00858780 --- /dev/null +++ b/libpthread/nptl/pthread_condattr_setpshared.c @@ -0,0 +1,37 @@ +/* Copyright (C) 2002, 2003 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <pthreadP.h> + +int +pthread_condattr_setpshared (attr, pshared) + pthread_condattr_t *attr; + int pshared; +{ + if (pshared != PTHREAD_PROCESS_PRIVATE + && __builtin_expect (pshared != PTHREAD_PROCESS_SHARED, 0)) + return EINVAL; + + int *valuep = &((struct pthread_condattr *) attr)->value; + + *valuep = (*valuep & ~1) | (pshared != PTHREAD_PROCESS_PRIVATE); + + return 0; +} |