diff options
Diffstat (limited to 'REORG.TODO/nptl/pthread_mutexattr_setpshared.c')
-rw-r--r-- | REORG.TODO/nptl/pthread_mutexattr_setpshared.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/REORG.TODO/nptl/pthread_mutexattr_setpshared.c b/REORG.TODO/nptl/pthread_mutexattr_setpshared.c new file mode 100644 index 0000000000..a81b7d85ba --- /dev/null +++ b/REORG.TODO/nptl/pthread_mutexattr_setpshared.c @@ -0,0 +1,41 @@ +/* Copyright (C) 2002-2017 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 <errno.h> +#include <pthreadP.h> +#include <futex-internal.h> + + +int +pthread_mutexattr_setpshared (pthread_mutexattr_t *attr, int pshared) +{ + struct pthread_mutexattr *iattr; + + int err = futex_supports_pshared (pshared); + if (err != 0) + return err; + + iattr = (struct pthread_mutexattr *) attr; + + if (pshared == PTHREAD_PROCESS_PRIVATE) + iattr->mutexkind &= ~PTHREAD_MUTEXATTR_FLAG_PSHARED; + else + iattr->mutexkind |= PTHREAD_MUTEXATTR_FLAG_PSHARED; + + return 0; +} |