nptl/cleanup_compat.c

   1 /* Copyright (C) 2002-2020 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 <stdlib.h>
  20 #include "pthreadP.h"
  21
  22
  23 void
  24 _pthread_cleanup_push (struct _pthread_cleanup_buffer *buffer,
  25                        void (*routine) (void *), void *arg)
  26 {
  27   struct pthread *self = THREAD_SELF;
  28
  29   buffer->__routine = routine;
  30   buffer->__arg = arg;
  31   buffer->__prev = THREAD_GETMEM (self, cleanup);
  32
  33   THREAD_SETMEM (self, cleanup, buffer);
  34 }
  35 strong_alias (_pthread_cleanup_push, __pthread_cleanup_push)
  36
  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 strong_alias (_pthread_cleanup_pop, __pthread_cleanup_pop)