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glibc/nptl/tst-cancel17.c
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/* Copyright (C) 2003 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. | |
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, write to the Free | |
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
02111-1307 USA. */ | |
#include <aio.h> | |
#include <pthread.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.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); | |
const struct aiocb *l[1] = { arg }; | |
aio_suspend (l, 1, NULL); | |
pthread_cleanup_pop (0); | |
puts ("aio_suspend returned"); | |
exit (1); | |
} | |
static int | |
do_test (void) | |
{ | |
int fds[2]; | |
if (pipe (fds) != 0) | |
{ | |
puts ("pipe failed"); | |
return 1; | |
} | |
struct aiocb a; | |
char mem[1]; | |
memset (&a, '\0', sizeof (a)); | |
a.aio_fildes = fds[0]; | |
a.aio_buf = mem; | |
a.aio_nbytes = sizeof (mem); | |
if (aio_read (&a) != 0) | |
{ | |
puts ("aio_read failed"); | |
return 1; | |
} | |
if (pthread_barrier_init (&b, NULL, 2) != 0) | |
{ | |
puts ("barrier_init failed"); | |
return 1; | |
} | |
pthread_t th; | |
if (pthread_create (&th, NULL, tf, &a) != 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"); | |
aio_cancel (fds[0], &a); | |
cl_called = 0; | |
memset (&a, '\0', sizeof (a)); | |
a.aio_fildes = fds[1]; | |
a.aio_buf = mem; | |
a.aio_nbytes = sizeof (mem); | |
if (aio_write (&a) != 0) | |
{ | |
puts ("aio_write failed"); | |
return 1; | |
} | |
if (pthread_create (&th, NULL, tf, &a) != 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" |