deps/jemalloc/test/thread_tcache_enabled.c

   1 #define JEMALLOC_MANGLE
   2 #include "jemalloc_test.h"
   3
   4 void *
   5 je_thread_start(void *arg)
   6 {
   7         int err;
   8         size_t sz;
   9         bool e0, e1;
  10
  11         sz = sizeof(bool);
  12         if ((err = mallctl("thread.tcache.enabled", &e0, &sz, NULL, 0))) {
  13                 if (err == ENOENT) {
  14 #ifdef JEMALLOC_TCACHE
  15                         assert(false);
  16 #endif
  17                 }
  18                 goto label_return;
  19         }
  20
  21         if (e0) {
  22                 e1 = false;
  23                 assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz)
  24                     == 0);
  25                 assert(e0);
  26         }
  27
  28         e1 = true;
  29         assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) == 0);
  30         assert(e0 == false);
  31
  32         e1 = true;
  33         assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) == 0);
  34         assert(e0);
  35
  36         e1 = false;
  37         assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) == 0);
  38         assert(e0);
  39
  40         e1 = false;
  41         assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) == 0);
  42         assert(e0 == false);
  43
  44         free(malloc(1));
  45         e1 = true;
  46         assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) == 0);
  47         assert(e0 == false);
  48
  49         free(malloc(1));
  50         e1 = true;
  51         assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) == 0);
  52         assert(e0);
  53
  54         free(malloc(1));
  55         e1 = false;
  56         assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) == 0);
  57         assert(e0);
  58
  59         free(malloc(1));
  60         e1 = false;
  61         assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) == 0);
  62         assert(e0 == false);
  63
  64         free(malloc(1));
  65 label_return:
  66         return (NULL);
  67 }
  68
  69 int
  70 main(void)
  71 {
  72         int ret = 0;
  73         je_thread_t thread;
  74
  75         malloc_printf("Test begin\n");
  76
  77         je_thread_start(NULL);
  78
  79         je_thread_create(&thread, je_thread_start, NULL);
  80         je_thread_join(thread, (void *)&ret);
  81
  82         je_thread_start(NULL);
  83
  84         je_thread_create(&thread, je_thread_start, NULL);
  85         je_thread_join(thread, (void *)&ret);
  86
  87         je_thread_start(NULL);
  88
  89         malloc_printf("Test end\n");
  90         return (ret);
  91 }