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/* Copyright (C) 2003-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <shlib-compat.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
/* LinuxThreads pthread_cleanup_{push,pop} helpers. */
extern void _pthread_cleanup_push (struct _pthread_cleanup_buffer *__buffer,
void (*__routine) (void *),
void *__arg);
compat_symbol_reference (libpthread, _pthread_cleanup_push,
_pthread_cleanup_push, GLIBC_2_0);
extern void _pthread_cleanup_pop (struct _pthread_cleanup_buffer *__buffer,
int __execute);
compat_symbol_reference (libpthread, _pthread_cleanup_pop,
_pthread_cleanup_pop, GLIBC_2_0);
static int fds[2];
static pthread_barrier_t b2;
static int global;
/* Defined in tst-cleanup4aux.c, never compiled with -fexceptions. */
extern void fn5 (void);
extern void fn7 (void);
extern void fn9 (void);
void
clh (void *arg)
{
int val = (long int) arg;
printf ("clh (%d)\n", val);
global *= val;
global += val;
}
static __attribute__((noinline)) void
fn_read (void)
{
int r = pthread_barrier_wait (&b2);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
char c;
read (fds[0], &c, 1);
}
__attribute__((noinline)) void
fn0 (void)
{
pthread_cleanup_push (clh, (void *) 1l);
fn_read ();
pthread_cleanup_pop (1);
}
__attribute__((noinline)) void
fn1 (void)
{
/* This is the old LinuxThreads pthread_cleanup_{push,pop}. */
struct _pthread_cleanup_buffer b;
_pthread_cleanup_push (&b, clh, (void *) 2l);
fn0 ();
_pthread_cleanup_pop (&b, 1);
}
static __attribute__((noinline)) void
fn2 (void)
{
pthread_cleanup_push (clh, (void *) 3l);
fn1 ();
pthread_cleanup_pop (1);
}
static void *
tf (void *a)
{
switch ((long) a)
{
case 0:
fn2 ();
break;
case 1:
fn5 ();
break;
case 2:
fn7 ();
break;
case 3:
fn9 ();
break;
}
return NULL;
}
int
do_test (void)
{
int result = 0;
if (pipe (fds) != 0)
{
puts ("pipe failed");
exit (1);
}
if (pthread_barrier_init (&b2, NULL, 2) != 0)
{
puts ("b2 init failed");
exit (1);
}
const int expect[] =
{
15, /* 1 2 3 */
276, /* 1 4 5 6 */
120, /* 1 7 8 */
460 /* 1 2 9 10 */
};
long i;
for (i = 0; i < 4; ++i)
{
global = 0;
printf ("test %ld\n", i);
pthread_t th;
if (pthread_create (&th, NULL, tf, (void *) i) != 0)
{
puts ("create failed");
exit (1);
}
int e = pthread_barrier_wait (&b2);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
pthread_cancel (th);
void *r;
if ((e = pthread_join (th, &r)) != 0)
{
printf ("join failed: %d\n", e);
_exit (1);
}
if (r != PTHREAD_CANCELED)
{
puts ("thread not canceled");
exit (1);
}
if (global != expect[i])
{
printf ("global = %d, expected %d\n", global, expect[i]);
result = 1;
}
}
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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