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thread_tcache_enabled.c revision 1.1.1.1 
      1 #include "test/jemalloc_test.h"
      2 
      3 void *
      4 thd_start(void *arg) {
      5 	bool e0, e1;
      6 	size_t sz = sizeof(bool);
      7 	assert_d_eq(mallctl("thread.tcache.enabled", (void *)&e0, &sz, NULL,
      8 	    0), 0, "Unexpected mallctl failure");
      9 
     10 	if (e0) {
     11 		e1 = false;
     12 		assert_d_eq(mallctl("thread.tcache.enabled", (void *)&e0, &sz,
     13 		    (void *)&e1, sz), 0, "Unexpected mallctl() error");
     14 		assert_true(e0, "tcache should be enabled");
     15 	}
     16 
     17 	e1 = true;
     18 	assert_d_eq(mallctl("thread.tcache.enabled", (void *)&e0, &sz,
     19 	    (void *)&e1, sz), 0, "Unexpected mallctl() error");
     20 	assert_false(e0, "tcache should be disabled");
     21 
     22 	e1 = true;
     23 	assert_d_eq(mallctl("thread.tcache.enabled", (void *)&e0, &sz,
     24 	    (void *)&e1, sz), 0, "Unexpected mallctl() error");
     25 	assert_true(e0, "tcache should be enabled");
     26 
     27 	e1 = false;
     28 	assert_d_eq(mallctl("thread.tcache.enabled", (void *)&e0, &sz,
     29 	    (void *)&e1, sz), 0, "Unexpected mallctl() error");
     30 	assert_true(e0, "tcache should be enabled");
     31 
     32 	e1 = false;
     33 	assert_d_eq(mallctl("thread.tcache.enabled", (void *)&e0, &sz,
     34 	    (void *)&e1, sz), 0, "Unexpected mallctl() error");
     35 	assert_false(e0, "tcache should be disabled");
     36 
     37 	free(malloc(1));
     38 	e1 = true;
     39 	assert_d_eq(mallctl("thread.tcache.enabled", (void *)&e0, &sz,
     40 	    (void *)&e1, sz), 0, "Unexpected mallctl() error");
     41 	assert_false(e0, "tcache should be disabled");
     42 
     43 	free(malloc(1));
     44 	e1 = true;
     45 	assert_d_eq(mallctl("thread.tcache.enabled", (void *)&e0, &sz,
     46 	    (void *)&e1, sz), 0, "Unexpected mallctl() error");
     47 	assert_true(e0, "tcache should be enabled");
     48 
     49 	free(malloc(1));
     50 	e1 = false;
     51 	assert_d_eq(mallctl("thread.tcache.enabled", (void *)&e0, &sz,
     52 	    (void *)&e1, sz), 0, "Unexpected mallctl() error");
     53 	assert_true(e0, "tcache should be enabled");
     54 
     55 	free(malloc(1));
     56 	e1 = false;
     57 	assert_d_eq(mallctl("thread.tcache.enabled", (void *)&e0, &sz,
     58 	    (void *)&e1, sz), 0, "Unexpected mallctl() error");
     59 	assert_false(e0, "tcache should be disabled");
     60 
     61 	free(malloc(1));
     62 	return NULL;
     63 }
     64 
     65 TEST_BEGIN(test_main_thread) {
     66 	thd_start(NULL);
     67 }
     68 TEST_END
     69 
     70 TEST_BEGIN(test_subthread) {
     71 	thd_t thd;
     72 
     73 	thd_create(&thd, thd_start, NULL);
     74 	thd_join(thd, NULL);
     75 }
     76 TEST_END
     77 
     78 int
     79 main(void) {
     80 	/* Run tests multiple times to check for bad interactions. */
     81 	return test(
     82 	    test_main_thread,
     83 	    test_subthread,
     84 	    test_main_thread,
     85 	    test_subthread,
     86 	    test_main_thread);
     87 }
     88