nptl/tst-cleanup4aux.c

   1 /* Copyright (C) 2003-2021 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
   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 <pthread.h>
  20 #include <shlib-compat.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <unistd.h>
  24
  25 extern void _pthread_cleanup_push (struct _pthread_cleanup_buffer *__buffer,
  26                                    void (*__routine) (void *),
  27                                    void *__arg);
  28 compat_symbol_reference (libpthread, _pthread_cleanup_push,
  29                          _pthread_cleanup_push, GLIBC_2_0);
  30 extern void _pthread_cleanup_pop (struct _pthread_cleanup_buffer *__buffer,
  31                                   int __execute);
  32 compat_symbol_reference (libpthread, _pthread_cleanup_pop,
  33                          _pthread_cleanup_pop, GLIBC_2_0);
  34
  35 extern void clh (void *arg);
  36 extern void fn0 (void);
  37 extern void fn1 (void);
  38 extern void fn5 (void);
  39 extern void fn7 (void);
  40 extern void fn9 (void);
  41
  42
  43 static __attribute__((noinline)) void
  44 fn3 (void)
  45 {
  46   /* This is the old LinuxThreads pthread_cleanup_{push,pop}.  */
  47      struct _pthread_cleanup_buffer b;
  48   _pthread_cleanup_push (&b, clh, (void *) 4l);
  49
  50   fn0 ();
  51
  52   _pthread_cleanup_pop (&b, 1);
  53 }
  54
  55
  56 static __attribute__((noinline)) void
  57 fn4 (void)
  58 {
  59   pthread_cleanup_push (clh, (void *) 5l);
  60
  61   fn3 ();
  62
  63   pthread_cleanup_pop (1);
  64 }
  65
  66
  67 void
  68 fn5 (void)
  69 {
  70   /* This is the old LinuxThreads pthread_cleanup_{push,pop}.  */
  71      struct _pthread_cleanup_buffer b;
  72   _pthread_cleanup_push (&b, clh, (void *) 6l);
  73
  74   fn4 ();
  75
  76   _pthread_cleanup_pop (&b, 1);
  77 }
  78
  79
  80 static __attribute__((noinline)) void
  81 fn6 (void)
  82 {
  83   pthread_cleanup_push (clh, (void *) 7l);
  84
  85   fn0 ();
  86
  87   pthread_cleanup_pop (1);
  88 }
  89
  90
  91 void
  92 fn7 (void)
  93 {
  94   /* This is the old LinuxThreads pthread_cleanup_{push,pop}.  */
  95      struct _pthread_cleanup_buffer b;
  96   _pthread_cleanup_push (&b, clh, (void *) 8l);
  97
  98   fn6 ();
  99
 100   _pthread_cleanup_pop (&b, 1);
 101 }
 102
 103
 104 static __attribute__((noinline)) void
 105 fn8 (void)
 106 {
 107   pthread_cleanup_push (clh, (void *) 9l);
 108
 109   fn1 ();
 110
 111   pthread_cleanup_pop (1);
 112 }
 113
 114
 115 void
 116 fn9 (void)
 117 {
 118   /* This is the old LinuxThreads pthread_cleanup_{push,pop}.  */
 119      struct _pthread_cleanup_buffer b;
 120   _pthread_cleanup_push (&b, clh, (void *) 10l);
 121
 122   fn8 ();
 123
 124   _pthread_cleanup_pop (&b, 1);
 125 }