glibc/linuxthreads/tst-cancel4.c

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/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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. */
/* NOTE: this tests functionality beyond POSIX. POSIX does not allow
exit to be called more than once. */
#include <errno.h>
#include <limits.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/poll.h>
#include <sys/select.h>
#include <sys/uio.h>
#include <sys/wait.h>
/* The following interfaces are defined to be cancellation points but
tests are not yet implemented:
accept() aio_suspend() clock_nanosleep()
close() connect() creat()
fcntl() fsync() getmsg()
getpmsg() lockf() mq_receive()
mq_send() mq_timedreceive() mq_timedsend()
msgrcv() msgsnd() msync()
open() pause()
pread() pthread_cond_timedwait()
pthread_cond_wait() pthread_join() pthread_testcancel()
putmsg() putpmsg() pwrite()
recv()
recvfrom() recvmsg()
sem_timedwait() sem_wait() send()
sendmsg() sendto() sigpause()
sigsuspend() sigtimedwait() sigwait()
sigwaitinfo() system()
tcdrain()
Since STREAMS are not supported in the standard Linux kernel there
is no need to test the STREAMS related functions.
*/
/* Pipe descriptors. */
static int fds[2];
/* Often used barrier for two threads. */
static pthread_barrier_t b2;
static void *
tf_read (void *arg)
{
int r = pthread_barrier_wait (&b2);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
char buf[100];
ssize_t s = read (fds[0], buf, sizeof (buf));
printf ("%s: read returns with %zd\n", __FUNCTION__, s);
exit (1);
}
static void *
tf_readv (void *arg)
{
int r = pthread_barrier_wait (&b2);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
char buf[100];
struct iovec iov[1] = { [0] = { .iov_base = buf, .iov_len = sizeof (buf) } };
ssize_t s = readv (fds[0], iov, 1);
printf ("%s: readv returns with %zd\n", __FUNCTION__, s);
exit (1);
}
static void *
tf_write (void *arg)
{
int r = pthread_barrier_wait (&b2);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
char buf[100000];
memset (buf, '\0', sizeof (buf));
ssize_t s = write (fds[1], buf, sizeof (buf));
printf ("%s: write returns with %zd\n", __FUNCTION__, s);
exit (1);
}
static void *
tf_writev (void *arg)
{
int r = pthread_barrier_wait (&b2);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
char buf[100000];
memset (buf, '\0', sizeof (buf));
struct iovec iov[1] = { [0] = { .iov_base = buf, .iov_len = sizeof (buf) } };
ssize_t s = writev (fds[1], iov, 1);
printf ("%s: writev returns with %zd\n", __FUNCTION__, s);
exit (1);
}
static void *
tf_sleep (void *arg)
{
int r = pthread_barrier_wait (&b2);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
sleep (1000000);
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printf ("%s: sleep returns\n", __FUNCTION__);
exit (1);
}
static void *
tf_usleep (void *arg)
{
int r = pthread_barrier_wait (&b2);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
usleep ((useconds_t) ULONG_MAX);
printf ("%s: usleep returns\n", __FUNCTION__);
exit (1);
}
static void *
tf_nanosleep (void *arg)
{
int r = pthread_barrier_wait (&b2);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
struct timespec ts = { .tv_sec = 10000000, .tv_nsec = 0 };
while (nanosleep (&ts, &ts) != 0)
continue;
printf ("%s: nanosleep returns\n", __FUNCTION__);
exit (1);
}
static void *
tf_select (void *arg)
{
int r = pthread_barrier_wait (&b2);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
fd_set rfs;
FD_ZERO (&rfs);
FD_SET (fds[0], &rfs);
int s = select (fds[0] + 1, &rfs, NULL, NULL, NULL);
printf ("%s: select returns with %d (%s)\n", __FUNCTION__, s,
strerror (errno));
exit (1);
}
static void *
tf_pselect (void *arg)
{
int r = pthread_barrier_wait (&b2);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
fd_set rfs;
FD_ZERO (&rfs);
FD_SET (fds[0], &rfs);
int s = pselect (fds[0] + 1, &rfs, NULL, NULL, NULL, NULL);
printf ("%s: pselect returns with %d (%s)\n", __FUNCTION__, s,
strerror (errno));
exit (1);
}
static void *
tf_poll (void *arg)
{
int r = pthread_barrier_wait (&b2);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
struct pollfd rfs[1] = { [0] = { .fd = fds[0], .events = POLLIN } };
int s = poll (rfs, 1, -1);
printf ("%s: poll returns with %d (%s)\n", __FUNCTION__, s,
strerror (errno));
exit (1);
}
static void *
tf_wait (void *arg)
{
int r = pthread_barrier_wait (&b2);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
pid_t pid = fork ();
if (pid == -1)
{
puts ("fork failed");
exit (1);
}
if (pid == 0)
{
/* Make the program disappear after a while. */
sleep (10);
exit (0);
}
int s = wait (NULL);
printf ("%s: wait returns with %d (%s)\n", __FUNCTION__, s,
strerror (errno));
exit (1);
}
static void *
tf_waitpid (void *arg)
{
int r = pthread_barrier_wait (&b2);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
pid_t pid = fork ();
if (pid == -1)
{
puts ("fork failed");
exit (1);
}
if (pid == 0)
{
/* Make the program disappear after a while. */
sleep (10);
exit (0);
}
int s = waitpid (-1, NULL, 0);
printf ("%s: waitpid returns with %d (%s)\n", __FUNCTION__, s,
strerror (errno));
exit (1);
}
static void *
tf_waitid (void *arg)
{
int r = pthread_barrier_wait (&b2);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
pid_t pid = fork ();
if (pid == -1)
{
puts ("fork failed");
exit (1);
}
if (pid == 0)
{
/* Make the program disappear after a while. */
sleep (10);
exit (0);
}
#ifndef WEXITED
# define WEXITED 0
#endif
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siginfo_t si;
int s = waitid (P_PID, pid, &si, WEXITED);
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printf ("%s: waitid returns with %d (%s)\n", __FUNCTION__, s,
strerror (errno));
exit (1);
}
static struct
{
void *(*tf) (void *);
int nb;
} tests[] =
{
{ tf_read, 2 },
{ tf_readv, 2 },
{ tf_select, 2 },
{ tf_pselect, 2 },
{ tf_poll, 2 },
{ tf_write, 2 },
{ tf_writev, 2},
{ tf_sleep, 2 },
{ tf_usleep, 2 },
{ tf_nanosleep, 2 },
{ tf_wait, 2 },
{ tf_waitid, 2 },
{ tf_waitpid, 2 },
};
#define ntest_tf (sizeof (tests) / sizeof (tests[0]))
static int
do_test (void)
{
if (pipe (fds) != 0)
{
puts ("pipe failed");
exit (1);
}
int cnt;
for (cnt = 0; cnt < ntest_tf; ++cnt)
{
printf ("round %d\n", cnt);
if (pthread_barrier_init (&b2, NULL, tests[cnt].nb) != 0)
{
puts ("b2 init failed");
exit (1);
}
pthread_t th;
if (pthread_create (&th, NULL, tests[cnt].tf, NULL) != 0)
{
printf ("create for round %d test failed\n", cnt);
exit (1);
}
puts ("barrier waits");
int r = pthread_barrier_wait (&b2);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%s: barrier_wait failed\n", __FUNCTION__);
exit (1);
}
puts ("nanosleep delay");
struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 };
while (nanosleep (&ts, &ts) != 0)
continue;
if (pthread_cancel (th) != 0)
{
printf ("cancel in round %d failed\n", cnt);
exit (1);
}
void *status;
if (pthread_join (th, &status) != 0)
{
printf ("join in round %d failed\n", cnt);
exit (1);
}
if (status != PTHREAD_CANCELED)
{
printf ("thread in round %d not canceled\n", cnt);
exit (1);
}
printf ("test %d successful\n", cnt);
if (pthread_barrier_destroy (&b2) != 0)
{
puts ("barrier_destroy failed");
exit (1);
}
}
return 0;
}
#define TIMEOUT 60
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"