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120 lines
3.1 KiB
120 lines
3.1 KiB
#include "test/jemalloc_test.h"
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#include "jemalloc/internal/util.h"
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static void
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test_switch_background_thread_ctl(bool new_val) {
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bool e0, e1;
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size_t sz = sizeof(bool);
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e1 = new_val;
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assert_d_eq(mallctl("background_thread", (void *)&e0, &sz,
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&e1, sz), 0, "Unexpected mallctl() failure");
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assert_b_eq(e0, !e1,
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"background_thread should be %d before.\n", !e1);
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if (e1) {
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assert_zu_gt(n_background_threads, 0,
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"Number of background threads should be non zero.\n");
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} else {
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assert_zu_eq(n_background_threads, 0,
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"Number of background threads should be zero.\n");
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}
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}
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static void
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test_repeat_background_thread_ctl(bool before) {
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bool e0, e1;
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size_t sz = sizeof(bool);
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e1 = before;
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assert_d_eq(mallctl("background_thread", (void *)&e0, &sz,
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&e1, sz), 0, "Unexpected mallctl() failure");
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assert_b_eq(e0, before,
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"background_thread should be %d.\n", before);
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if (e1) {
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assert_zu_gt(n_background_threads, 0,
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"Number of background threads should be non zero.\n");
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} else {
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assert_zu_eq(n_background_threads, 0,
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"Number of background threads should be zero.\n");
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}
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}
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TEST_BEGIN(test_background_thread_ctl) {
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test_skip_if(!have_background_thread);
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bool e0, e1;
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size_t sz = sizeof(bool);
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assert_d_eq(mallctl("opt.background_thread", (void *)&e0, &sz,
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NULL, 0), 0, "Unexpected mallctl() failure");
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assert_d_eq(mallctl("background_thread", (void *)&e1, &sz,
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NULL, 0), 0, "Unexpected mallctl() failure");
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assert_b_eq(e0, e1,
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"Default and opt.background_thread does not match.\n");
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if (e0) {
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test_switch_background_thread_ctl(false);
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}
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assert_zu_eq(n_background_threads, 0,
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"Number of background threads should be 0.\n");
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for (unsigned i = 0; i < 4; i++) {
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test_switch_background_thread_ctl(true);
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test_repeat_background_thread_ctl(true);
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test_repeat_background_thread_ctl(true);
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test_switch_background_thread_ctl(false);
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test_repeat_background_thread_ctl(false);
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test_repeat_background_thread_ctl(false);
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}
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}
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TEST_END
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TEST_BEGIN(test_background_thread_running) {
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test_skip_if(!have_background_thread);
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test_skip_if(!config_stats);
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#if defined(JEMALLOC_BACKGROUND_THREAD)
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tsd_t *tsd = tsd_fetch();
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background_thread_info_t *info = &background_thread_info[0];
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test_repeat_background_thread_ctl(false);
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test_switch_background_thread_ctl(true);
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assert_b_eq(info->state, background_thread_started,
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"Background_thread did not start.\n");
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nstime_t start, now;
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nstime_init(&start, 0);
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nstime_update(&start);
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bool ran = false;
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while (true) {
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malloc_mutex_lock(tsd_tsdn(tsd), &info->mtx);
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if (info->tot_n_runs > 0) {
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ran = true;
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}
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malloc_mutex_unlock(tsd_tsdn(tsd), &info->mtx);
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if (ran) {
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break;
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}
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nstime_init(&now, 0);
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nstime_update(&now);
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nstime_subtract(&now, &start);
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assert_u64_lt(nstime_sec(&now), 1000,
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"Background threads did not run for 1000 seconds.");
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sleep(1);
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}
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test_switch_background_thread_ctl(false);
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#endif
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}
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TEST_END
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int
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main(void) {
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/* Background_thread creation tests reentrancy naturally. */
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return test_no_reentrancy(
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test_background_thread_ctl,
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test_background_thread_running);
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}
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