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-rw-r--r--nptl/tst-cancel4.c461
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diff --git a/nptl/tst-cancel4.c b/nptl/tst-cancel4.c
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+/* Copyright (C) 2002 Free Software Foundation, Inc.
+ 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[10000];
+ 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[10000];
+ 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 (10000000);
+
+ 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 (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);
+ }
+
+ siginfo_t si;
+ int s = waitid (P_PID, pid, &si, 0);
+
+ 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)
+ {
+ if (pthread_barrier_init (&b2, NULL, tests[cnt].nb) != 0)
+ {
+ puts ("b2 init failed");
+ exit (1);
+ }
+
+ /* read(2) test. */
+ pthread_t th;
+ if (pthread_create (&th, NULL, tests[cnt].tf, NULL) != 0)
+ {
+ printf ("create for round %d test failed\n", cnt);
+ exit (1);
+ }
+
+ 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 = 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"
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