1 #include "test/jemalloc_test.h" 2 3 static const bool config_stats = 4 #ifdef JEMALLOC_STATS 5 true 6 #else 7 false 8 #endif 9 ; 10 11 void * 12 thd_start(void *arg) 13 { 14 int err; 15 void *p; 16 uint64_t a0, a1, d0, d1; 17 uint64_t *ap0, *ap1, *dp0, *dp1; 18 size_t sz, usize; 19 20 sz = sizeof(a0); 21 if ((err = mallctl("thread.allocated", &a0, &sz, NULL, 0))) { 22 if (err == ENOENT) 23 goto label_ENOENT; 24 test_fail("%s(): Error in mallctl(): %s", __func__, 25 strerror(err)); 26 } 27 sz = sizeof(ap0); 28 if ((err = mallctl("thread.allocatedp", &ap0, &sz, NULL, 0))) { 29 if (err == ENOENT) 30 goto label_ENOENT; 31 test_fail("%s(): Error in mallctl(): %s", __func__, 32 strerror(err)); 33 } 34 assert_u64_eq(*ap0, a0, 35 "\"thread.allocatedp\" should provide a pointer to internal " 36 "storage"); 37 38 sz = sizeof(d0); 39 if ((err = mallctl("thread.deallocated", &d0, &sz, NULL, 0))) { 40 if (err == ENOENT) 41 goto label_ENOENT; 42 test_fail("%s(): Error in mallctl(): %s", __func__, 43 strerror(err)); 44 } 45 sz = sizeof(dp0); 46 if ((err = mallctl("thread.deallocatedp", &dp0, &sz, NULL, 0))) { 47 if (err == ENOENT) 48 goto label_ENOENT; 49 test_fail("%s(): Error in mallctl(): %s", __func__, 50 strerror(err)); 51 } 52 assert_u64_eq(*dp0, d0, 53 "\"thread.deallocatedp\" should provide a pointer to internal " 54 "storage"); 55 56 p = malloc(1); 57 assert_ptr_not_null(p, "Unexpected malloc() error"); 58 59 sz = sizeof(a1); 60 mallctl("thread.allocated", &a1, &sz, NULL, 0); 61 sz = sizeof(ap1); 62 mallctl("thread.allocatedp", &ap1, &sz, NULL, 0); 63 assert_u64_eq(*ap1, a1, 64 "Dereferenced \"thread.allocatedp\" value should equal " 65 "\"thread.allocated\" value"); 66 assert_ptr_eq(ap0, ap1, 67 "Pointer returned by \"thread.allocatedp\" should not change"); 68 69 usize = malloc_usable_size(p); 70 assert_u64_le(a0 + usize, a1, 71 "Allocated memory counter should increase by at least the amount " 72 "explicitly allocated"); 73 74 free(p); 75 76 sz = sizeof(d1); 77 mallctl("thread.deallocated", &d1, &sz, NULL, 0); 78 sz = sizeof(dp1); 79 mallctl("thread.deallocatedp", &dp1, &sz, NULL, 0); 80 assert_u64_eq(*dp1, d1, 81 "Dereferenced \"thread.deallocatedp\" value should equal " 82 "\"thread.deallocated\" value"); 83 assert_ptr_eq(dp0, dp1, 84 "Pointer returned by \"thread.deallocatedp\" should not change"); 85 86 assert_u64_le(d0 + usize, d1, 87 "Deallocated memory counter should increase by at least the amount " 88 "explicitly deallocated"); 89 90 return (NULL); 91 label_ENOENT: 92 assert_false(config_stats, 93 "ENOENT should only be returned if stats are disabled"); 94 test_skip("\"thread.allocated\" mallctl not available"); 95 return (NULL); 96 } 97 98 TEST_BEGIN(test_main_thread) 99 { 100 101 thd_start(NULL); 102 } 103 TEST_END 104 105 TEST_BEGIN(test_subthread) 106 { 107 thd_t thd; 108 109 thd_create(&thd, thd_start, NULL); 110 thd_join(thd, NULL); 111 } 112 TEST_END 113 114 int 115 main(void) 116 { 117 118 /* Run tests multiple times to check for bad interactions. */ 119 return (test( 120 test_main_thread, 121 test_subthread, 122 test_main_thread, 123 test_subthread, 124 test_main_thread)); 125 } 126
