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#include "test/jemalloc_test.h"
#define NTHREADS 10
static bool have_dss =
#ifdef JEMALLOC_DSS
true
#else
false
#endif
;
void *
thd_start(void *arg)
{
unsigned thread_ind = (unsigned)(uintptr_t)arg;
unsigned arena_ind;
void *p;
size_t sz;
sz = sizeof(arena_ind);
assert_d_eq(mallctl("arenas.extend", (void *)&arena_ind, &sz, NULL, 0),
0, "Error in arenas.extend");
if (thread_ind % 4 != 3) {
size_t mib[3];
size_t miblen = sizeof(mib) / sizeof(size_t);
const char *dss_precs[] = {"disabled", "primary", "secondary"};
unsigned prec_ind = thread_ind %
(sizeof(dss_precs)/sizeof(char*));
const char *dss = dss_precs[prec_ind];
int expected_err = (have_dss || prec_ind == 0) ? 0 : EFAULT;
assert_d_eq(mallctlnametomib("arena.0.dss", mib, &miblen), 0,
"Error in mallctlnametomib()");
mib[1] = arena_ind;
assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, (void *)&dss,
sizeof(const char *)), expected_err,
"Error in mallctlbymib()");
}
p = mallocx(1, MALLOCX_ARENA(arena_ind));
assert_ptr_not_null(p, "Unexpected mallocx() error");
dallocx(p, 0);
return (NULL);
}
TEST_BEGIN(test_MALLOCX_ARENA)
{
thd_t thds[NTHREADS];
unsigned i;
for (i = 0; i < NTHREADS; i++) {
thd_create(&thds[i], thd_start,
(void *)(uintptr_t)i);
}
for (i = 0; i < NTHREADS; i++)
thd_join(thds[i], NULL);
}
TEST_END
int
main(void)
{
return (test(
test_MALLOCX_ARENA));
}
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