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/* Copyright (C) 2003-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@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, see
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <error.h>
#include <fcntl.h>
#include <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/select.h>
#include <sys/time.h>
#include <unistd.h>
static void *
tf (void *arg)
{
return NULL;
}
static void
handler (int sig)
{
}
static void __attribute__ ((noinline))
clobber_lots_of_regs (void)
{
#define X1(n) long r##n = 10##n; __asm __volatile ("" : "+r" (r##n));
#define X2(n) X1(n##0) X1(n##1) X1(n##2) X1(n##3) X1(n##4)
#define X3(n) X2(n##0) X2(n##1) X2(n##2) X2(n##3) X2(n##4)
X3(0) X3(1) X3(2) X3(3) X3(4)
#undef X1
#define X1(n) __asm __volatile ("" : : "r" (r##n));
X3(0) X3(1) X3(2) X3(3) X3(4)
#undef X1
#undef X2
#undef X3
}
static int
do_test (void)
{
pthread_t th;
int old, rc;
int ret = 0;
int fd[2];
rc = pipe (fd);
if (rc < 0)
error (EXIT_FAILURE, errno, "couldn't create pipe");
rc = pthread_create (&th, NULL, tf, NULL);
if (rc)
error (EXIT_FAILURE, rc, "couldn't create thread");
rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
if (rc)
{
error (0, rc, "1st pthread_setcanceltype failed");
ret = 1;
}
if (old != PTHREAD_CANCEL_DEFERRED && old != PTHREAD_CANCEL_ASYNCHRONOUS)
{
error (0, 0, "1st pthread_setcanceltype returned invalid value %d",
old);
ret = 1;
}
clobber_lots_of_regs ();
close (fd[0]);
rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old);
if (rc)
{
error (0, rc, "pthread_setcanceltype after close failed");
ret = 1;
}
if (old != PTHREAD_CANCEL_DEFERRED)
{
error (0, 0, "pthread_setcanceltype after close returned invalid value %d",
old);
ret = 1;
}
clobber_lots_of_regs ();
close (fd[1]);
rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
if (rc)
{
error (0, rc, "pthread_setcanceltype after 2nd close failed");
ret = 1;
}
if (old != PTHREAD_CANCEL_ASYNCHRONOUS)
{
error (0, 0, "pthread_setcanceltype after 2nd close returned invalid value %d",
old);
ret = 1;
}
struct sigaction sa = { .sa_handler = handler, .sa_flags = 0 };
sigemptyset (&sa.sa_mask);
sigaction (SIGALRM, &sa, NULL);
struct itimerval it;
it.it_value.tv_sec = 1;
it.it_value.tv_usec = 0;
it.it_interval = it.it_value;
setitimer (ITIMER_REAL, &it, NULL);
clobber_lots_of_regs ();
pause ();
memset (&it, 0, sizeof (it));
setitimer (ITIMER_REAL, &it, NULL);
rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old);
if (rc)
{
error (0, rc, "pthread_setcanceltype after pause failed");
ret = 1;
}
if (old != PTHREAD_CANCEL_DEFERRED)
{
error (0, 0, "pthread_setcanceltype after pause returned invalid value %d",
old);
ret = 1;
}
it.it_value.tv_sec = 1;
it.it_value.tv_usec = 0;
it.it_interval = it.it_value;
setitimer (ITIMER_REAL, &it, NULL);
clobber_lots_of_regs ();
pause ();
memset (&it, 0, sizeof (it));
setitimer (ITIMER_REAL, &it, NULL);
rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
if (rc)
{
error (0, rc, "pthread_setcanceltype after 2nd pause failed");
ret = 1;
}
if (old != PTHREAD_CANCEL_ASYNCHRONOUS)
{
error (0, 0, "pthread_setcanceltype after 2nd pause returned invalid value %d",
old);
ret = 1;
}
char fname[] = "/tmp/tst-cancel19-dir-XXXXXX\0foo/bar";
char *enddir = strchr (fname, '\0');
if (mkdtemp (fname) == NULL)
{
error (0, errno, "mkdtemp failed");
ret = 1;
}
*enddir = '/';
clobber_lots_of_regs ();
creat (fname, 0400);
rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old);
if (rc)
{
error (0, rc, "pthread_setcanceltype after creat failed");
ret = 1;
}
if (old != PTHREAD_CANCEL_DEFERRED)
{
error (0, 0, "pthread_setcanceltype after creat returned invalid value %d",
old);
ret = 1;
}
clobber_lots_of_regs ();
creat (fname, 0400);
rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
if (rc)
{
error (0, rc, "pthread_setcanceltype after 2nd creat failed");
ret = 1;
}
if (old != PTHREAD_CANCEL_ASYNCHRONOUS)
{
error (0, 0, "pthread_setcanceltype after 2nd creat returned invalid value %d",
old);
ret = 1;
}
clobber_lots_of_regs ();
open (fname, O_CREAT, 0400);
rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old);
if (rc)
{
error (0, rc, "pthread_setcanceltype after open failed");
ret = 1;
}
if (old != PTHREAD_CANCEL_DEFERRED)
{
error (0, 0, "pthread_setcanceltype after open returned invalid value %d",
old);
ret = 1;
}
clobber_lots_of_regs ();
open (fname, O_CREAT, 0400);
rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
if (rc)
{
error (0, rc, "pthread_setcanceltype after 2nd open failed");
ret = 1;
}
if (old != PTHREAD_CANCEL_ASYNCHRONOUS)
{
error (0, 0, "pthread_setcanceltype after 2nd open returned invalid value %d",
old);
ret = 1;
}
*enddir = '\0';
rmdir (fname);
clobber_lots_of_regs ();
select (-1, NULL, NULL, NULL, NULL);
rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old);
if (rc)
{
error (0, rc, "pthread_setcanceltype after select failed");
ret = 1;
}
if (old != PTHREAD_CANCEL_DEFERRED)
{
error (0, 0, "pthread_setcanceltype after select returned invalid value %d",
old);
ret = 1;
}
clobber_lots_of_regs ();
select (-1, NULL, NULL, NULL, NULL);
rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
if (rc)
{
error (0, rc, "pthread_setcanceltype after 2nd select failed");
ret = 1;
}
if (old != PTHREAD_CANCEL_ASYNCHRONOUS)
{
error (0, 0, "pthread_setcanceltype after 2nd select returned invalid value %d",
old);
ret = 1;
}
pthread_join (th, NULL);
return ret;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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