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* stdio-common/tstdiomisc.c: If FLT_EVEL_METHOD is 2 use long

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double math to generate NaN results.
This commit is contained in:
Ulrich Drepper 2005-12-27 21:45:22 +00:00
parent bfffffaee3
commit 11f685f5d8
3 changed files with 214 additions and 5 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2005-12-27 Ulrich Drepper <drepper@redhat.com>
* stdio-common/tstdiomisc.c: If FLT_EVEL_METHOD is 2 use long
double math to generate NaN results.
* sysdeps/unix/sysv/linux/sparc/bits/errno.h: Define EOWNERDEAD
and ENOTRECOVERABLE if not already defined.
* sysdeps/unix/sysv/linux/alpha/bits/errno.h: Likewise.

195
nptl/tst-robust7.c Normal file
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@ -0,0 +1,195 @@
/* Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
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 <errno.h>
#include <pthread.h>
#include <stdbool.h>
#include <stdio.h>
static pthread_barrier_t b;
static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
static pthread_mutex_t m;
static bool first = true;
static void *
tf (void *arg)
{
long int n = (long int) arg;
if (pthread_mutex_lock (&m) != 0)
{
printf ("thread %ld: mutex_lock failed\n", n + 1);
exit (1);
}
int e = pthread_barrier_wait (&b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("thread %ld: barrier_wait failed\n", n + 1);
exit (1);
}
e = pthread_cond_wait (&c, &m);
if (first)
{
if (e != 0)
{
printf ("thread %ld: cond_wait failed\n", n + 1);
exit (1);
}
first = false;
}
else
{
if (e != EOWNERDEAD)
{
printf ("thread %ld: cond_wait did not return EOWNERDEAD\n", n + 1);
exit (1);
}
}
if (pthread_cancel (pthread_self ()) != 0)
{
printf ("thread %ld: cancel failed\n", n + 1);
exit (1);
}
pthread_testcancel ();
printf ("thread %ld: testcancel returned\n", n + 1);
exit (1);
}
static int
do_test (void)
{
pthread_mutexattr_t a;
if (pthread_mutexattr_init (&a) != 0)
{
puts ("mutexattr_init failed");
return 1;
}
if (pthread_mutexattr_setrobust_np (&a, PTHREAD_MUTEX_ROBUST_NP) != 0)
{
puts ("mutexattr_setrobust failed");
return 1;
}
if (pthread_mutex_init (&m, &a) != 0)
{
puts ("mutex_init failed");
return 1;
}
if (pthread_mutexattr_destroy (&a) != 0)
{
puts ("mutexattr_destroy failed");
return 1;
}
if (pthread_barrier_init (&b, NULL, 2) != 0)
{
puts ("barrier_init failed");
return 1;
}
#define N 5
pthread_t th[N];
for (long int n = 0; n < N; ++n)
{
if (pthread_create (&th[n], NULL, tf, (void *) n) != 0)
{
printf ("pthread_create loop %ld failed\n", n + 1);
return 1;
}
int e = pthread_barrier_wait (&b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("parent: barrier_wait failed in round %ld\n", n + 1);
return 1;
}
}
if (pthread_mutex_lock (&m) != 0)
{
puts ("parent: mutex_lock failed");
return 1;
}
if (pthread_mutex_unlock (&m) != 0)
{
puts ("parent: mutex_unlock failed");
return 1;
}
if (pthread_cond_broadcast (&c) != 0)
{
puts ("cond_broadcast failed");
return 1;
}
for (int n = 0; n < N; ++n)
{
void *res;
if (pthread_join (th[n], &res) != 0)
{
printf ("join round %d failed\n", n + 1);
return 1;
}
if (res != PTHREAD_CANCELED)
{
printf ("thread %d not canceled\n", n + 1);
return 1;
}
}
int e = pthread_mutex_lock (&m);
if (e == 0)
{
puts ("parent: 2nd mutex_lock succeeded");
return 1;
}
if (e != EOWNERDEAD)
{
puts ("parent: mutex_lock did not return EOWNERDEAD");
return 1;
}
if (pthread_mutex_unlock (&m) != 0)
{
puts ("parent: 2nd mutex_unlock failed");
return 1;
}
if (pthread_mutex_destroy (&m) != 0)
{
puts ("mutex_destroy failed");
return 1;
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"

21
stdio-common/tstdiomisc.c
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@ -46,6 +46,16 @@ t2 (void)
return result;
}
#if FLT_EVAL_METHOD == 2
volatile long double dbl_max = LDBL_MAX;
# define FLT_FLT_FMT "%Lf %LF"
# define FLT_FLT_WFMT L"%Lf %LF"
#else
volatile double dbl_max = DBL_MAX;
# define FLT_FLT_FMT "%f %F"
# define FLT_FLT_WFMT L"%f %F"
#endif
static int
F (void)
{
@ -53,8 +63,9 @@ F (void)
wchar_t wbuf[10];
int result;
snprintf (buf, sizeof buf, "%f %F", DBL_MAX * DBL_MAX - DBL_MAX * DBL_MAX,
DBL_MAX * DBL_MAX - DBL_MAX * DBL_MAX);
snprintf (buf, sizeof buf, FLT_FLT_FMT,
dbl_max * dbl_max - dbl_max * dbl_max,
dbl_max * dbl_max - dbl_max * dbl_max);
result = strcmp (buf, "nan NAN") != 0;
printf ("expected \"nan NAN\", got \"%s\"\n", buf);
@ -62,9 +73,9 @@ F (void)
result |= strcmp (buf, "inf INF") != 0;
printf ("expected \"inf INF\", got \"%s\"\n", buf);
swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]), L"%f %F",
DBL_MAX * DBL_MAX - DBL_MAX * DBL_MAX,
DBL_MAX * DBL_MAX - DBL_MAX * DBL_MAX);
swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]), FLT_FLT_WFMT,
dbl_max * dbl_max - dbl_max * dbl_max,
dbl_max * dbl_max - dbl_max * dbl_max);
result |= wcscmp (wbuf, L"nan NAN") != 0;
printf ("expected L\"nan NAN\", got L\"%S\"\n", wbuf);