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author | Ulrich Drepper <drepper@redhat.com> | 2003-04-01 01:24:00 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2003-04-01 01:24:00 +0000 |
commit | 211d90c524db8fcc32a134eaf80d969eff8c3862 (patch) | |
tree | 167181f1688e516846554fa6468efbc01a915de8 /nptl/tst-align.c | |
parent | 42b2395dcee5be5a4c2eb0faba8e78f682ab68ad (diff) | |
download | glibc-211d90c524db8fcc32a134eaf80d969eff8c3862.tar.gz |
Update.
* sysdeps/unix/sysv/linux/ia64/lowlevellock.h (__lll_mutex_lock):
Use atomic_exchange_and_add instead of __lll_add.
(__lll_mutex_timedlock): Likewise.
Patch by Ian Wienand.
2003-03-24 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
(SINGLE_THREAD_P): Fix typo.
* tst-cancel-wrappers.sh: Handle '.'ed symbols.
2003-03-31 Ulrich Drepper <drepper@redhat.com>
* Makefile (tests): Add tst-align.
* tst-align.c: New file.
* sysdeps/i386/Makefile: Define CFLAGS-tst-align.
* sysdeps/x86_64/Makefile: Likewise.
* tst-tsd2.c: Add casts to avoid warnings.
Diffstat (limited to 'nptl/tst-align.c')
-rw-r--r-- | nptl/tst-align.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/nptl/tst-align.c b/nptl/tst-align.c new file mode 100644 index 0000000000..902a1c772a --- /dev/null +++ b/nptl/tst-align.c @@ -0,0 +1,85 @@ +/* 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 <pthread.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> + + +static void * +tf (void *arg) +{ + bool ok = true; + + puts ("in thread"); + + double d = 2.0; + printf ("double: %g %p %zu\n", d, &d, __alignof (double)); + if ((((uintptr_t) &d) & (__alignof (double) - 1)) != 0) + ok = false; + + long double ld = 3.0; + printf ("ldouble: %Lg %p %zu\n", ld, &ld, __alignof (long double)); + if ((((uintptr_t) &ld) & (__alignof (long double) - 1)) != 0) + ok = false; + + return ok ? NULL : (void *) -1l; +} + +static int +do_test (void) +{ + bool ok = true; + + puts ("in main"); + + double d = 0.0; + printf ("double: %g %p %zu\n", d, &d, __alignof (double)); + if ((((uintptr_t) &d) & (__alignof (double) - 1)) != 0) + ok = false; + + long double ld = 1.0; + printf ("ldouble: %Lg %p %zu\n", ld, &ld, __alignof (long double)); + if ((((uintptr_t) &ld) & (__alignof (long double) - 1)) != 0) + ok = false; + + pthread_t th; + if (pthread_create (&th, NULL, tf, NULL) != 0) + { + puts ("create failed"); + return 1; + } + + void *res; + if (pthread_join (th, &res) != 0) + { + puts ("join failed"); + return 1; + } + + if (res != NULL) + ok = false; + + return ok ? 0 : 1; +} + + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |