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/* Copyright (C) 2003-2022 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 <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
static pthread_barrier_t b;
/* Cleanup handling test. */
static int cl_called;
static void
cl (void *arg)
{
++cl_called;
}
static void *
tf (void *arg)
{
int r = pthread_barrier_wait (&b);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
puts ("barrier_wait failed");
exit (1);
}
pthread_cleanup_push (cl, NULL);
struct timespec ts = { .tv_sec = arg == NULL ? 10000000 : 0, .tv_nsec = 0 };
TEMP_FAILURE_RETRY (clock_nanosleep (CLOCK_REALTIME, 0, &ts, &ts));
pthread_cleanup_pop (0);
puts ("clock_nanosleep returned");
exit (1);
}
static int
do_test (void)
{
if (pthread_barrier_init (&b, NULL, 2) != 0)
{
puts ("barrier_init failed");
return 1;
}
pthread_t th;
if (pthread_create (&th, NULL, tf, NULL) != 0)
{
puts ("1st create failed");
return 1;
}
int r = pthread_barrier_wait (&b);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
puts ("barrier_wait failed");
exit (1);
}
struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 };
while (nanosleep (&ts, &ts) != 0)
continue;
puts ("going to cancel in-time");
if (pthread_cancel (th) != 0)
{
puts ("1st cancel failed");
return 1;
}
void *status;
if (pthread_join (th, &status) != 0)
{
puts ("1st join failed");
return 1;
}
if (status != PTHREAD_CANCELED)
{
puts ("1st thread not canceled");
return 1;
}
if (cl_called == 0)
{
puts ("cleanup handler not called");
return 1;
}
if (cl_called > 1)
{
puts ("cleanup handler called more than once");
return 1;
}
puts ("in-time cancellation succeeded");
cl_called = 0;
if (pthread_create (&th, NULL, tf, NULL) != 0)
{
puts ("2nd create failed");
return 1;
}
puts ("going to cancel early");
if (pthread_cancel (th) != 0)
{
puts ("2nd cancel failed");
return 1;
}
r = pthread_barrier_wait (&b);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
puts ("barrier_wait failed");
exit (1);
}
if (pthread_join (th, &status) != 0)
{
puts ("2nd join failed");
return 1;
}
if (status != PTHREAD_CANCELED)
{
puts ("2nd thread not canceled");
return 1;
}
if (cl_called == 0)
{
printf ("cleanup handler not called\n");
return 1;
}
if (cl_called > 1)
{
printf ("cleanup handler called more than once\n");
return 1;
}
puts ("early cancellation succeeded");
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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