| 1 | /* Copyright (C) 2002-2021 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <errno.h> |
| 20 | #include <pthreadP.h> |
| 21 | #include <futex-internal.h> |
| 22 | #include <shlib-compat.h> |
| 23 | |
| 24 | int |
| 25 | __pthread_condattr_setpshared (pthread_condattr_t *attr, int pshared) |
| 26 | { |
| 27 | int err = futex_supports_pshared (pshared); |
| 28 | if (err != 0) |
| 29 | return err; |
| 30 | |
| 31 | int *valuep = &((struct pthread_condattr *) attr)->value; |
| 32 | |
| 33 | *valuep = (*valuep & ~1) | (pshared != PTHREAD_PROCESS_PRIVATE); |
| 34 | |
| 35 | return 0; |
| 36 | } |
| 37 | versioned_symbol (libc, __pthread_condattr_setpshared, |
| 38 | pthread_condattr_setpshared, GLIBC_2_34); |
| 39 | |
| 40 | #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34) |
| 41 | compat_symbol (libpthread, __pthread_condattr_setpshared, |
| 42 | pthread_condattr_setpshared, GLIBC_2_2); |
| 43 | #endif |
| 44 | |