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-rw-r--r--erts/test/ethread_SUITE.erl32
-rw-r--r--erts/test/ethread_SUITE_data/ethread_tests.c428
2 files changed, 452 insertions, 8 deletions
diff --git a/erts/test/ethread_SUITE.erl b/erts/test/ethread_SUITE.erl
index 71d8c1c679..4206bebfe7 100644
--- a/erts/test/ethread_SUITE.erl
+++ b/erts/test/ethread_SUITE.erl
@@ -47,14 +47,29 @@
spinlock/1,
rwspinlock/1,
rwmutex/1,
- atomic/1]).
+ atomic/1,
+ dw_atomic_massage/1]).
-include_lib("test_server/include/test_server.hrl").
-tests() ->
- [create_join_thread, equal_tids, mutex, try_lock_mutex,
- cond_wait, broadcast, detached_thread,
- max_threads, tsd, spinlock, rwspinlock, rwmutex, atomic].
+tests() ->
+ [create_join_thread,
+ equal_tids,
+ mutex,
+ try_lock_mutex,
+ cond_wait,
+ broadcast,
+ detached_thread,
+ max_threads,
+ tsd,
+ spinlock,
+ rwspinlock,
+ rwmutex,
+ atomic,
+ dw_atomic_massage].
+
+all(doc) -> [];
+all(suite) -> tests().
suite() -> [{ct_hooks,[ts_install_cth]}].
@@ -211,6 +226,13 @@ atomic(suite) ->
atomic(Config) ->
run_case(Config, "atomic", "").
+dw_atomic_massage(doc) ->
+ ["Massage double word atomics"];
+dw_atomic_massage(suite) ->
+ [];
+dw_atomic_massage(Config) ->
+ run_case(Config, "dw_atomic_massage", "").
+
%%
%%
%% Auxiliary functions
diff --git a/erts/test/ethread_SUITE_data/ethread_tests.c b/erts/test/ethread_SUITE_data/ethread_tests.c
index 0b59ff5aa6..7e7e133d6c 100644
--- a/erts/test/ethread_SUITE_data/ethread_tests.c
+++ b/erts/test/ethread_SUITE_data/ethread_tests.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2004-2010. All Rights Reserved.
+ * Copyright Ericsson AB 2004-2011. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -1310,6 +1310,9 @@ rwmutex_test(void)
* Tests atomics.
*/
+#define AT_AINT32_MAX 0x7fffffff
+#define AT_AINT32_MIN 0x80000000
+
#define AT_THREADS 4
#define AT_ITER 10000
@@ -1320,12 +1323,428 @@ static ethr_atomic_t at_go;
static ethr_atomic_t at_done;
static ethr_atomic_t at_data;
+#define AT_TEST_INIT(T, A, B) \
+do { \
+ ethr_ ## A ## _init ## B(&A, 17); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == 17); \
+} while (0)
+
+#define AT_TEST_SET(T, A, B) \
+do { \
+ ethr_ ## A ## _set ## B(&A, 4711); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == 4711); \
+} while (0)
+
+#define AT_TEST_XCHG(T, A, B) \
+do { \
+ ethr_ ## A ## _set ## B(&A, 4711); \
+ ASSERT(ethr_ ## A ## _xchg ## B(&A, 17) == 4711); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == 17); \
+} while (0)
+
+#define AT_TEST_CMPXCHG(T, A, B) \
+do { \
+ ethr_ ## A ## _set ## B(&A, 4711); \
+ ASSERT(ethr_ ## A ## _cmpxchg ## B(&A, 17, 33) == 4711); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == 4711); \
+ ASSERT(ethr_ ## A ## _cmpxchg ## B(&A, 17, 4711) == 4711); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == 17); \
+} while (0)
+
+#define AT_TEST_ADD_READ(T, A, B) \
+do { \
+ T var_ = AT_AINT32_MAX; \
+ var_ += 4711; \
+ ethr_ ## A ## _set ## B(&A, AT_AINT32_MAX); \
+ ASSERT(ethr_ ## A ## _add_read ## B(&A, 4711) == var_); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == var_); \
+ var_ = AT_AINT32_MIN; \
+ var_ -= 4711; \
+ ethr_ ## A ## _set ## B(&A, AT_AINT32_MIN); \
+ ASSERT(ethr_ ## A ## _add_read ## B(&A, -4711) == var_); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == var_); \
+ ethr_ ## A ## _set ## B(&A, 4711); \
+ ASSERT(ethr_ ## A ## _add_read ## B(&A, 10) == 4721); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == 4721); \
+} while (0)
+
+#define AT_TEST_ADD(T, A, B) \
+do { \
+ T var_ = AT_AINT32_MAX; \
+ var_ += 4711; \
+ ethr_ ## A ## _set ## B(&A, AT_AINT32_MAX); \
+ ethr_ ## A ## _add ## B(&A, 4711); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == var_); \
+ var_ = AT_AINT32_MIN; \
+ var_ -= 4711; \
+ ethr_ ## A ## _set ## B(&A, AT_AINT32_MIN); \
+ ethr_ ## A ## _add ## B(&A, -4711); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == var_); \
+ ethr_ ## A ## _set ## B(&A, 11); \
+ ethr_ ## A ## _add ## B(&A, 4700); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == 4711); \
+} while (0)
+
+#define AT_TEST_INC_READ(T, A, B) \
+do { \
+ T var_ = AT_AINT32_MAX; \
+ var_++; \
+ ethr_ ## A ## _set ## B(&A, AT_AINT32_MAX); \
+ ASSERT(ethr_ ## A ## _inc_read ## B(&A) == var_); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == var_); \
+ ethr_ ## A ## _set ## B(&A, 4710); \
+ ASSERT(ethr_ ## A ## _inc_read ## B(&A) == 4711); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == 4711); \
+} while (0)
+
+#define AT_TEST_DEC_READ(T, A, B) \
+do { \
+ T var_ = AT_AINT32_MIN; \
+ var_--; \
+ ethr_ ## A ## _set ## B(&A, AT_AINT32_MIN); \
+ ASSERT(ethr_ ## A ## _dec_read ## B(&A) == var_); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == var_); \
+ ethr_ ## A ## _set ## B(&A, 17); \
+ ASSERT(ethr_ ## A ## _dec_read ## B(&A) == 16); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == 16); \
+} while (0)
+
+
+#define AT_TEST_INC(T, A, B) \
+do { \
+ T var_ = AT_AINT32_MAX; \
+ var_++; \
+ ethr_ ## A ## _set ## B(&A, AT_AINT32_MAX); \
+ ethr_ ## A ## _inc ## B(&A); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == var_); \
+ ethr_ ## A ## _set ## B(&A, 4710); \
+ ethr_ ## A ## _inc ## B(&A); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == 4711); \
+} while (0)
+
+#define AT_TEST_DEC(T, A, B) \
+do { \
+ T var_ = AT_AINT32_MIN; \
+ var_--; \
+ ethr_ ## A ## _set ## B(&A, AT_AINT32_MIN); \
+ ethr_ ## A ## _dec ## B(&A); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == var_); \
+ ethr_ ## A ## _set ## B(&A, 17); \
+ ethr_ ## A ## _dec ## B(&A); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == 16); \
+} while (0)
+
+#define AT_TEST_READ_BAND(T, A, B) \
+do { \
+ ethr_ ## A ## _set ## B(&A, 0x13131313); \
+ ASSERT(ethr_ ## A ## _read_band ## B(&A, 0x31313131) == 0x13131313); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == 0x11111111); \
+} while (0)
+
+#define AT_TEST_READ_BOR(T, A, B) \
+do { \
+ ethr_ ## A ## _set ## B(&A, 0x11111111); \
+ ASSERT(ethr_ ## A ## _read_bor ## B(&A, 0x23232323) == 0x11111111); \
+ ASSERT(ethr_ ## A ## _read ## B(&A) == 0x33333333); \
+} while (0)
+
+
+static void
+atomic_basic_test(void)
+{
+ /*
+ * Verify that each op does what it is expected
+ * to do for at least one input.
+ */
+ ethr_atomic32_t atomic32;
+ ethr_atomic_t atomic;
+
+ print_line("AT_AINT32_MAX=%d",AT_AINT32_MAX);
+ print_line("AT_AINT32_MIN=%d",AT_AINT32_MIN);
+
+ AT_TEST_INIT(ethr_sint32_t, atomic32, );
+ AT_TEST_SET(ethr_sint32_t, atomic32, );
+ AT_TEST_XCHG(ethr_sint32_t, atomic32, );
+ AT_TEST_CMPXCHG(ethr_sint32_t, atomic32, );
+ AT_TEST_ADD_READ(ethr_sint32_t, atomic32, );
+ AT_TEST_ADD(ethr_sint32_t, atomic32, );
+ AT_TEST_INC_READ(ethr_sint32_t, atomic32, );
+ AT_TEST_DEC_READ(ethr_sint32_t, atomic32, );
+ AT_TEST_INC(ethr_sint32_t, atomic32, );
+ AT_TEST_DEC(ethr_sint32_t, atomic32, );
+ AT_TEST_READ_BAND(ethr_sint32_t, atomic32, );
+ AT_TEST_READ_BOR(ethr_sint32_t, atomic32, );
+
+ AT_TEST_INIT(ethr_sint32_t, atomic32, _acqb);
+ AT_TEST_SET(ethr_sint32_t, atomic32, _acqb);
+ AT_TEST_XCHG(ethr_sint32_t, atomic32, _acqb);
+ AT_TEST_CMPXCHG(ethr_sint32_t, atomic32, _acqb);
+ AT_TEST_ADD_READ(ethr_sint32_t, atomic32, _acqb);
+ AT_TEST_ADD(ethr_sint32_t, atomic32, _acqb);
+ AT_TEST_INC_READ(ethr_sint32_t, atomic32, _acqb);
+ AT_TEST_DEC_READ(ethr_sint32_t, atomic32, _acqb);
+ AT_TEST_INC(ethr_sint32_t, atomic32, _acqb);
+ AT_TEST_DEC(ethr_sint32_t, atomic32, _acqb);
+ AT_TEST_READ_BAND(ethr_sint32_t, atomic32, _acqb);
+ AT_TEST_READ_BOR(ethr_sint32_t, atomic32, _acqb);
+
+ AT_TEST_INIT(ethr_sint32_t, atomic32, _relb);
+ AT_TEST_SET(ethr_sint32_t, atomic32, _relb);
+ AT_TEST_XCHG(ethr_sint32_t, atomic32, _relb);
+ AT_TEST_CMPXCHG(ethr_sint32_t, atomic32, _relb);
+ AT_TEST_ADD_READ(ethr_sint32_t, atomic32, _relb);
+ AT_TEST_ADD(ethr_sint32_t, atomic32, _relb);
+ AT_TEST_INC_READ(ethr_sint32_t, atomic32, _relb);
+ AT_TEST_DEC_READ(ethr_sint32_t, atomic32, _relb);
+ AT_TEST_INC(ethr_sint32_t, atomic32, _relb);
+ AT_TEST_DEC(ethr_sint32_t, atomic32, _relb);
+ AT_TEST_READ_BAND(ethr_sint32_t, atomic32, _relb);
+ AT_TEST_READ_BOR(ethr_sint32_t, atomic32, _relb);
+
+ AT_TEST_INIT(ethr_sint32_t, atomic32, _rb);
+ AT_TEST_SET(ethr_sint32_t, atomic32, _rb);
+ AT_TEST_XCHG(ethr_sint32_t, atomic32, _rb);
+ AT_TEST_CMPXCHG(ethr_sint32_t, atomic32, _rb);
+ AT_TEST_ADD_READ(ethr_sint32_t, atomic32, _rb);
+ AT_TEST_ADD(ethr_sint32_t, atomic32, _rb);
+ AT_TEST_INC_READ(ethr_sint32_t, atomic32, _rb);
+ AT_TEST_DEC_READ(ethr_sint32_t, atomic32, _rb);
+ AT_TEST_INC(ethr_sint32_t, atomic32, _rb);
+ AT_TEST_DEC(ethr_sint32_t, atomic32, _rb);
+ AT_TEST_READ_BAND(ethr_sint32_t, atomic32, _rb);
+ AT_TEST_READ_BOR(ethr_sint32_t, atomic32, _rb);
+
+ AT_TEST_INIT(ethr_sint32_t, atomic32, _wb);
+ AT_TEST_SET(ethr_sint32_t, atomic32, _wb);
+ AT_TEST_XCHG(ethr_sint32_t, atomic32, _wb);
+ AT_TEST_CMPXCHG(ethr_sint32_t, atomic32, _wb);
+ AT_TEST_ADD_READ(ethr_sint32_t, atomic32, _wb);
+ AT_TEST_ADD(ethr_sint32_t, atomic32, _wb);
+ AT_TEST_INC_READ(ethr_sint32_t, atomic32, _wb);
+ AT_TEST_DEC_READ(ethr_sint32_t, atomic32, _wb);
+ AT_TEST_INC(ethr_sint32_t, atomic32, _wb);
+ AT_TEST_DEC(ethr_sint32_t, atomic32, _wb);
+ AT_TEST_READ_BAND(ethr_sint32_t, atomic32, _wb);
+ AT_TEST_READ_BOR(ethr_sint32_t, atomic32, _wb);
+
+ AT_TEST_INIT(ethr_sint32_t, atomic32, _mb);
+ AT_TEST_SET(ethr_sint32_t, atomic32, _mb);
+ AT_TEST_XCHG(ethr_sint32_t, atomic32, _mb);
+ AT_TEST_CMPXCHG(ethr_sint32_t, atomic32, _mb);
+ AT_TEST_ADD_READ(ethr_sint32_t, atomic32, _mb);
+ AT_TEST_ADD(ethr_sint32_t, atomic32, _mb);
+ AT_TEST_INC_READ(ethr_sint32_t, atomic32, _mb);
+ AT_TEST_DEC_READ(ethr_sint32_t, atomic32, _mb);
+ AT_TEST_INC(ethr_sint32_t, atomic32, _mb);
+ AT_TEST_DEC(ethr_sint32_t, atomic32, _mb);
+ AT_TEST_READ_BAND(ethr_sint32_t, atomic32, _mb);
+ AT_TEST_READ_BOR(ethr_sint32_t, atomic32, _mb);
+
+ AT_TEST_INIT(ethr_sint_t, atomic, );
+ AT_TEST_SET(ethr_sint_t, atomic, );
+ AT_TEST_XCHG(ethr_sint_t, atomic, );
+ AT_TEST_CMPXCHG(ethr_sint_t, atomic, );
+ AT_TEST_ADD_READ(ethr_sint_t, atomic, );
+ AT_TEST_ADD(ethr_sint_t, atomic, );
+ AT_TEST_INC_READ(ethr_sint_t, atomic, );
+ AT_TEST_DEC_READ(ethr_sint_t, atomic, );
+ AT_TEST_INC(ethr_sint_t, atomic, );
+ AT_TEST_DEC(ethr_sint_t, atomic, );
+ AT_TEST_READ_BAND(ethr_sint_t, atomic, );
+ AT_TEST_READ_BOR(ethr_sint_t, atomic, );
+
+ AT_TEST_INIT(ethr_sint_t, atomic, _acqb);
+ AT_TEST_SET(ethr_sint_t, atomic, _acqb);
+ AT_TEST_XCHG(ethr_sint_t, atomic, _acqb);
+ AT_TEST_CMPXCHG(ethr_sint_t, atomic, _acqb);
+ AT_TEST_ADD_READ(ethr_sint_t, atomic, _acqb);
+ AT_TEST_ADD(ethr_sint_t, atomic, _acqb);
+ AT_TEST_INC_READ(ethr_sint_t, atomic, _acqb);
+ AT_TEST_DEC_READ(ethr_sint_t, atomic, _acqb);
+ AT_TEST_INC(ethr_sint_t, atomic, _acqb);
+ AT_TEST_DEC(ethr_sint_t, atomic, _acqb);
+ AT_TEST_READ_BAND(ethr_sint_t, atomic, _acqb);
+ AT_TEST_READ_BOR(ethr_sint_t, atomic, _acqb);
+
+ AT_TEST_INIT(ethr_sint_t, atomic, _relb);
+ AT_TEST_SET(ethr_sint_t, atomic, _relb);
+ AT_TEST_XCHG(ethr_sint_t, atomic, _relb);
+ AT_TEST_CMPXCHG(ethr_sint_t, atomic, _relb);
+ AT_TEST_ADD_READ(ethr_sint_t, atomic, _relb);
+ AT_TEST_ADD(ethr_sint_t, atomic, _relb);
+ AT_TEST_INC_READ(ethr_sint_t, atomic, _relb);
+ AT_TEST_DEC_READ(ethr_sint_t, atomic, _relb);
+ AT_TEST_INC(ethr_sint_t, atomic, _relb);
+ AT_TEST_DEC(ethr_sint_t, atomic, _relb);
+ AT_TEST_READ_BAND(ethr_sint_t, atomic, _relb);
+ AT_TEST_READ_BOR(ethr_sint_t, atomic, _relb);
+
+ AT_TEST_INIT(ethr_sint_t, atomic, _rb);
+ AT_TEST_SET(ethr_sint_t, atomic, _rb);
+ AT_TEST_XCHG(ethr_sint_t, atomic, _rb);
+ AT_TEST_CMPXCHG(ethr_sint_t, atomic, _rb);
+ AT_TEST_ADD_READ(ethr_sint_t, atomic, _rb);
+ AT_TEST_ADD(ethr_sint_t, atomic, _rb);
+ AT_TEST_INC_READ(ethr_sint_t, atomic, _rb);
+ AT_TEST_DEC_READ(ethr_sint_t, atomic, _rb);
+ AT_TEST_INC(ethr_sint_t, atomic, _rb);
+ AT_TEST_DEC(ethr_sint_t, atomic, _rb);
+ AT_TEST_READ_BAND(ethr_sint_t, atomic, _rb);
+ AT_TEST_READ_BOR(ethr_sint_t, atomic, _rb);
+
+ AT_TEST_INIT(ethr_sint_t, atomic, _wb);
+ AT_TEST_SET(ethr_sint_t, atomic, _wb);
+ AT_TEST_XCHG(ethr_sint_t, atomic, _wb);
+ AT_TEST_CMPXCHG(ethr_sint_t, atomic, _wb);
+ AT_TEST_ADD_READ(ethr_sint_t, atomic, _wb);
+ AT_TEST_ADD(ethr_sint_t, atomic, _wb);
+ AT_TEST_INC_READ(ethr_sint_t, atomic, _wb);
+ AT_TEST_DEC_READ(ethr_sint_t, atomic, _wb);
+ AT_TEST_INC(ethr_sint_t, atomic, _wb);
+ AT_TEST_DEC(ethr_sint_t, atomic, _wb);
+ AT_TEST_READ_BAND(ethr_sint_t, atomic, _wb);
+ AT_TEST_READ_BOR(ethr_sint_t, atomic, _wb);
+
+ AT_TEST_INIT(ethr_sint_t, atomic, _mb);
+ AT_TEST_SET(ethr_sint_t, atomic, _mb);
+ AT_TEST_XCHG(ethr_sint_t, atomic, _mb);
+ AT_TEST_CMPXCHG(ethr_sint_t, atomic, _mb);
+ AT_TEST_ADD_READ(ethr_sint_t, atomic, _mb);
+ AT_TEST_ADD(ethr_sint_t, atomic, _mb);
+ AT_TEST_INC_READ(ethr_sint_t, atomic, _mb);
+ AT_TEST_DEC_READ(ethr_sint_t, atomic, _mb);
+ AT_TEST_INC(ethr_sint_t, atomic, _mb);
+ AT_TEST_DEC(ethr_sint_t, atomic, _mb);
+ AT_TEST_READ_BAND(ethr_sint_t, atomic, _mb);
+ AT_TEST_READ_BOR(ethr_sint_t, atomic, _mb);
+
+ /* Double word */
+ {
+ ethr_dw_atomic_t dw_atomic;
+ ethr_dw_sint_t dw0, dw1;
+ dw0.sint[0] = 4711;
+ dw0.sint[1] = 4712;
+
+ /* init */
+ ethr_dw_atomic_init(&dw_atomic, &dw0);
+ ethr_dw_atomic_read(&dw_atomic, &dw1);
+ ETHR_ASSERT(dw1.sint[0] == 4711);
+ ETHR_ASSERT(dw1.sint[1] == 4712);
+
+ /* set */
+ dw0.sint[0] = 42;
+ dw0.sint[1] = ~((ethr_sint_t) 0);
+ ethr_dw_atomic_set(&dw_atomic, &dw0);
+ ethr_dw_atomic_read(&dw_atomic, &dw1);
+ ASSERT(dw1.sint[0] == 42);
+ ASSERT(dw1.sint[1] == ~((ethr_sint_t) 0));
+
+ /* cmpxchg */
+ dw0.sint[0] = 17;
+ dw0.sint[1] = 18;
+ dw1.sint[0] = 19;
+ dw1.sint[1] = 20;
+ ASSERT(!ethr_dw_atomic_cmpxchg(&dw_atomic, &dw1, &dw0));
+ ethr_dw_atomic_read(&dw_atomic, &dw0);
+ ASSERT(dw0.sint[0] == 42);
+ ASSERT(dw0.sint[1] == ~((ethr_sint_t) 0));
+
+ ASSERT(ethr_dw_atomic_cmpxchg(&dw_atomic, &dw1, &dw0));
+
+ ethr_dw_atomic_read(&dw_atomic, &dw0);
+ ASSERT(dw0.sint[0] == 19);
+ ASSERT(dw0.sint[1] == 20);
+ }
+}
+
+
+#define AT_DW_MIN 12
+#define AT_DW_MAX 42
+#define AT_DW_THREADS (AT_DW_MAX - AT_DW_MIN + 1)
+
+#define AT_DW_LOOPS 200000
+#define AT_DW_R_LOOPS 10
+
+ethr_dw_atomic_t at_dw_atomic;
+
+void
+at_dw_valid(ethr_dw_sint_t *dw)
+{
+ int i;
+ char c;
+ char *cp;
+
+ ASSERT(dw->sint[0] == dw->sint[1]);
+
+ cp = (char *) &dw->sint[0];
+ c = cp[0];
+
+ ASSERT(AT_DW_MIN <= c && c <= AT_DW_MAX);
+
+ for (i = 0; i < sizeof(ethr_sint_t); i++)
+ ASSERT(c == cp[i]);
+}
+
+void *
+at_dw_thr(void *vval)
+{
+ int l, r;
+ ethr_sint_t val = (ethr_sint_t) vval;
+ ethr_dw_sint_t dw;
+ ethr_dw_sint_t my_dw;
+
+ my_dw.sint[0] = val;
+ my_dw.sint[1] = val;
+
+ ethr_dw_atomic_set(&at_dw_atomic, &my_dw);
+ for (l = 0; l < AT_DW_LOOPS; l++) {
+ for (r = 0; r < AT_DW_R_LOOPS; r++) {
+ ethr_dw_atomic_read(&at_dw_atomic, &dw);
+ at_dw_valid(&dw);
+ }
+ ethr_dw_atomic_set(&at_dw_atomic, &my_dw);
+ for (r = 0; r < AT_DW_R_LOOPS; r++) {
+ ethr_dw_atomic_read(&at_dw_atomic, &dw);
+ at_dw_valid(&dw);
+ }
+ dw.sint[0] = 0;
+ dw.sint[1] = 0;
+ while (1) {
+ if (ethr_dw_atomic_cmpxchg(&at_dw_atomic, &my_dw, &dw))
+ break;
+ }
+ }
+}
+
+static void
+dw_atomic_massage_test(void)
+{
+ int i, res;
+ ethr_tid tid[AT_DW_THREADS];
+ ethr_thr_opts thr_opts = ETHR_THR_OPTS_DEFAULT_INITER;
+ ethr_dw_sint_t dw;
+
+ dw.sint[0] = dw.sint[1] = 0;
+
+ ethr_dw_atomic_init(&at_dw_atomic, &dw);
+
+ for (i = AT_DW_MIN; i <= AT_DW_MAX; i++) {
+ ethr_sint_t val;
+ memset(&val, i, sizeof(ethr_sint_t));
+ res = ethr_thr_create(&tid[i-AT_DW_MIN], at_dw_thr, (void *) val, &thr_opts);
+ ASSERT(res == 0);
+ }
+ for (i = AT_DW_MIN; i <= AT_DW_MAX; i++) {
+ res = ethr_thr_join(tid[i-AT_DW_MIN], NULL);
+ ASSERT(res == 0);
+ }
+}
+
void *
at_thread(void *unused)
{
int i;
long val, go;
-
val = ethr_atomic_inc_read(&at_ready);
ASSERT(val > 0);
@@ -1373,7 +1792,6 @@ at_thread(void *unused)
return NULL;
}
-
static void
atomic_test(void)
{
@@ -1382,6 +1800,8 @@ atomic_test(void)
ethr_tid tid[AT_THREADS];
ethr_thr_opts thr_opts = ETHR_THR_OPTS_DEFAULT_INITER;
+ atomic_basic_test();
+
#if ETHR_SIZEOF_PTR > 4
at_rm_val = ((long) 1) << 57;
at_set_val = ((long) 1) << 60;
@@ -1493,6 +1913,8 @@ main(int argc, char *argv[])
rwmutex_test();
else if (strcmp(testcase, "atomic") == 0)
atomic_test();
+ else if (strcmp(testcase, "dw_atomic_massage") == 0)
+ dw_atomic_massage_test();
else
skip("Test case \"%s\" not implemented yet", testcase);