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#include "test/jemalloc_test.h"
#define NTHREADS 2
#define NINCRS 2000000
TEST_BEGIN(test_mtx_basic) {
mtx_t mtx;
assert_false(mtx_init(&mtx), "Unexpected mtx_init() failure");
mtx_lock(&mtx);
mtx_unlock(&mtx);
mtx_fini(&mtx);
}
TEST_END
typedef struct {
mtx_t mtx;
unsigned x;
} thd_start_arg_t;
static void *
thd_start(void *varg) {
thd_start_arg_t *arg = (thd_start_arg_t *)varg;
unsigned i;
for (i = 0; i < NINCRS; i++) {
mtx_lock(&arg->mtx);
arg->x++;
mtx_unlock(&arg->mtx);
}
return NULL;
}
TEST_BEGIN(test_mtx_race) {
thd_start_arg_t arg;
thd_t thds[NTHREADS];
unsigned i;
assert_false(mtx_init(&arg.mtx), "Unexpected mtx_init() failure");
arg.x = 0;
for (i = 0; i < NTHREADS; i++) {
thd_create(&thds[i], thd_start, (void *)&arg);
}
for (i = 0; i < NTHREADS; i++) {
thd_join(thds[i], NULL);
}
assert_u_eq(arg.x, NTHREADS * NINCRS,
"Race-related counter corruption");
}
TEST_END
int
main(void) {
return test(
test_mtx_basic,
test_mtx_race);
}
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