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- #include <stdio.h>
- #include <pthread.h>
- thread_local int tl_g_nn = 0;
- class MyClass
- {
- public:
- int tl_nn;
- MyClass(int nn) {
- tl_nn = nn;
- }
- };
- thread_local MyClass g_obj(0);
- thread_local MyClass* gp_obj = new MyClass(0);
- thread_local MyClass* gp_obj2 = NULL;
- MyClass* get_gp_obj2()
- {
- if (!gp_obj2) {
- gp_obj2 = new MyClass(0);
- }
- return gp_obj2;
- }
- void* pfn(void* arg)
- {
- int tid = (int)(long long)arg;
- tl_g_nn += tid;
- g_obj.tl_nn += tid;
- gp_obj->tl_nn += tid;
- get_gp_obj2()->tl_nn += tid;
- printf("PFN%d: tl_g_nn(%p)=%d, g_obj(%p)=%d, gp_obj(%p,%p)=%d, gp_obj2(%p,%p)=%d\n", tid,
- &tl_g_nn, tl_g_nn, &g_obj, g_obj.tl_nn, &gp_obj, gp_obj, gp_obj->tl_nn,
- &gp_obj2, gp_obj2, get_gp_obj2()->tl_nn);
- return NULL;
- }
- int main(int argc, char** argv)
- {
- pthread_t trd = NULL, trd2 = NULL;
- pthread_create(&trd, NULL, pfn, (void*)1);
- pthread_create(&trd2, NULL, pfn, (void*)2);
- pthread_join(trd, NULL);
- pthread_join(trd2, NULL);
- tl_g_nn += 100;
- g_obj.tl_nn += 100;
- gp_obj->tl_nn += 100;
- get_gp_obj2()->tl_nn += 100;
- printf("MAIN: tl_g_nn(%p)=%d, g_obj(%p)=%d, gp_obj(%p,%p)=%d, gp_obj2(%p,%p)=%d\n",
- &tl_g_nn, tl_g_nn, &g_obj, g_obj.tl_nn, &gp_obj, gp_obj, gp_obj->tl_nn,
- &gp_obj2, gp_obj2, get_gp_obj2()->tl_nn);
- return 0;
- }
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