-/*
- * test_uatomic.c
- *
- * Userspace RCU library - test atomic operations
- *
- * Copyright February 2009 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
+// SPDX-FileCopyrightText: 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
#include <stdio.h>
-#include <assert.h>
#include <urcu/uatomic.h>
+#include "tap.h"
+
+#define NR_TESTS 17
+
+#define BYTE_PER_LONG (sizeof(unsigned long) / sizeof(unsigned char))
+#define SHORT_PER_LONG (sizeof(unsigned long) / sizeof(unsigned short))
+#define INT_PER_LONG (sizeof(unsigned long) / sizeof(unsigned int))
+
struct testvals {
#ifdef UATOMIC_HAS_ATOMIC_BYTE
- unsigned char c;
+ unsigned char c[BYTE_PER_LONG];
#endif
#ifdef UATOMIC_HAS_ATOMIC_SHORT
- unsigned short s;
+ unsigned short s[SHORT_PER_LONG];
#endif
- unsigned int i;
+ unsigned int i[INT_PER_LONG];
unsigned long l;
};
__typeof__(*(ptr)) v; \
\
uatomic_add(ptr, 10); \
- assert(uatomic_read(ptr) == 10); \
- uatomic_add(ptr, -11UL); \
- assert(uatomic_read(ptr) == (__typeof__(*(ptr)))-1UL); \
- v = uatomic_cmpxchg(ptr, -1UL, 22); \
- assert(uatomic_read(ptr) == 22); \
- assert(v == (__typeof__(*(ptr)))-1UL); \
- v = uatomic_cmpxchg(ptr, 33, 44); \
- assert(uatomic_read(ptr) == 22); \
- assert(v == 22); \
- v = uatomic_xchg(ptr, 55); \
- assert(uatomic_read(ptr) == 55); \
- assert(v == 22); \
+ ok1(uatomic_read(ptr) == 10); \
+ \
+ uatomic_add(ptr, -11UL); \
+ ok1(uatomic_read(ptr) == (__typeof__(*(ptr)))-1UL); \
+ \
+ v = uatomic_cmpxchg(ptr, -1UL, 22); \
+ ok1(uatomic_read(ptr) == 22); \
+ ok1(v == (__typeof__(*(ptr)))-1UL); \
+ \
+ v = uatomic_cmpxchg(ptr, 33, 44); \
+ ok1(uatomic_read(ptr) == 22); \
+ ok1(v == 22); \
+ \
+ v = uatomic_xchg(ptr, 55); \
+ ok1(uatomic_read(ptr) == 55); \
+ ok1(v == 22); \
+ \
uatomic_set(ptr, 22); \
uatomic_inc(ptr); \
- assert(uatomic_read(ptr) == 23); \
+ ok1(uatomic_read(ptr) == 23); \
+ \
uatomic_dec(ptr); \
- assert(uatomic_read(ptr) == 22); \
+ ok1(uatomic_read(ptr) == 22); \
+ \
v = uatomic_add_return(ptr, 74); \
- assert(v == 96); \
- assert(uatomic_read(ptr) == 96); \
+ ok1(v == 96); \
+ ok1(uatomic_read(ptr) == 96); \
+ \
uatomic_or(ptr, 58); \
- assert(uatomic_read(ptr) == 122); \
+ ok1(uatomic_read(ptr) == 122); \
+ \
v = uatomic_sub_return(ptr, 1); \
- assert(v == 121); \
+ ok1(v == 121); \
+ \
uatomic_sub(ptr, (unsigned int) 2); \
- assert(uatomic_read(ptr) == 119); \
+ ok1(uatomic_read(ptr) == 119); \
+ \
uatomic_inc(ptr); \
uatomic_inc(ptr); \
- assert(uatomic_read(ptr) == 121); \
+ ok1(uatomic_read(ptr) == 121); \
+ \
uatomic_and(ptr, 129); \
- assert(uatomic_read(ptr) == 1); \
+ ok1(uatomic_read(ptr) == 1); \
+ \
} while (0)
-int main(int argc, char **argv)
+int main(void)
{
+ int nr_run = INT_PER_LONG + 1;
+ unsigned long i;
+
+#ifdef UATOMIC_HAS_ATOMIC_BYTE
+ nr_run += BYTE_PER_LONG;
+#endif
+#ifdef UATOMIC_HAS_ATOMIC_SHORT
+ nr_run += SHORT_PER_LONG;
+#endif
+
+ plan_tests(nr_run * NR_TESTS);
#ifdef UATOMIC_HAS_ATOMIC_BYTE
- do_test(&vals.c);
+ for (i = 0; i < BYTE_PER_LONG; i++) {
+ diag("Test atomic ops on byte with %lu byte offset from long alignment",
+ i);
+ do_test(&vals.c[i]);
+ }
#endif
#ifdef UATOMIC_HAS_ATOMIC_SHORT
- do_test(&vals.s);
+ for (i = 0; i < SHORT_PER_LONG; i++) {
+ diag("Test atomic ops on short with %lu byte offset from long alignment",
+ i * sizeof(unsigned short));
+ do_test(&vals.s[i]);
+ }
#endif
- do_test(&vals.i);
+ for (i = 0; i < INT_PER_LONG; i++) {
+ diag("Test atomic ops on int with %lu byte offset from long alignment",
+ i * sizeof(unsigned int));
+ do_test(&vals.i[i]);
+ }
+ diag("Test atomic ops on long");
do_test(&vals.l);
- printf("Atomic ops test OK\n");
- return 0;
+ return exit_status();
}
projects / urcu.git / blobdiff