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authorUlrich Drepper <drepper@redhat.com>2003-04-01 01:24:00 +0000
committerUlrich Drepper <drepper@redhat.com>2003-04-01 01:24:00 +0000
commit211d90c524db8fcc32a134eaf80d969eff8c3862 (patch)
tree167181f1688e516846554fa6468efbc01a915de8 /nptl/tst-align.c
parent42b2395dcee5be5a4c2eb0faba8e78f682ab68ad (diff)
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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.c85
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"