| 1 | /* Copyright (C) 2002-2023 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <https://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #include <shlib-compat.h> |
| 19 | #include <stdlib.h> |
| 20 | #include "pthreadP.h" |
| 21 | |
| 22 | void |
| 23 | __pthread_cleanup_push (struct _pthread_cleanup_buffer *buffer, |
| 24 | void (*routine) (void *), void *arg) |
| 25 | { |
| 26 | struct pthread *self = THREAD_SELF; |
| 27 | |
| 28 | buffer->__routine = routine; |
| 29 | buffer->__arg = arg; |
| 30 | buffer->__prev = THREAD_GETMEM (self, cleanup); |
| 31 | |
| 32 | THREAD_SETMEM (self, cleanup, buffer); |
| 33 | } |
| 34 | libc_hidden_def (__pthread_cleanup_push) |
| 35 | versioned_symbol (libc, __pthread_cleanup_push, _pthread_cleanup_push, |
| 36 | GLIBC_2_34); |
| 37 | |
| 38 | void |
| 39 | __pthread_cleanup_pop (struct _pthread_cleanup_buffer *buffer, int execute) |
| 40 | { |
| 41 | struct pthread *self __attribute ((unused)) = THREAD_SELF; |
| 42 | |
| 43 | THREAD_SETMEM (self, cleanup, buffer->__prev); |
| 44 | |
| 45 | /* If necessary call the cleanup routine after we removed the |
| 46 | current cleanup block from the list. */ |
| 47 | if (execute) |
| 48 | buffer->__routine (buffer->__arg); |
| 49 | } |
| 50 | libc_hidden_def (__pthread_cleanup_pop) |
| 51 | versioned_symbol (libc, __pthread_cleanup_pop, _pthread_cleanup_pop, |
| 52 | GLIBC_2_34); |
| 53 | |
| 54 | #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_34) |
| 55 | compat_symbol (libpthread, __pthread_cleanup_push, _pthread_cleanup_push, |
| 56 | GLIBC_2_0); |
| 57 | compat_symbol (libpthread, __pthread_cleanup_pop, _pthread_cleanup_pop, |
| 58 | GLIBC_2_0); |
| 59 | #endif |
| 60 | |