97 строки
2.3 KiB
C++
97 строки
2.3 KiB
C++
#include <stdio.h>
|
|
#include <gc.h>
|
|
#include <assert.h>
|
|
#include <emscripten.h>
|
|
|
|
void *global;
|
|
|
|
int freed = 0;
|
|
|
|
void finalizer(void *ptr, void *arg) {
|
|
printf("finalizing %d (global == %d)\n", (int)arg, ptr == global);
|
|
freed++;
|
|
if (ptr == global) global = 0;
|
|
}
|
|
|
|
int stage = 0;
|
|
float start = 0;
|
|
|
|
void waiter() {
|
|
if (stage == 0) { // wait for a while, see no GCing
|
|
assert(global);
|
|
if (emscripten_get_now() - start > 2100) {
|
|
GC_MALLOC(1024*1024*2); // allocate enough to trigger a GC
|
|
start = emscripten_get_now();
|
|
stage = 1;
|
|
printf("stage 1\n");
|
|
}
|
|
} else if (stage == 1) {
|
|
assert(global);
|
|
if (freed > 0) {
|
|
GC_FREE(global);
|
|
stage = 2;
|
|
start = emscripten_get_now();
|
|
printf("stage 2\n");
|
|
}
|
|
if (emscripten_get_now() - start > 2100) {
|
|
printf("fail, too much time passed (a)\n");
|
|
return;
|
|
}
|
|
} else if (stage == 2) {
|
|
if (emscripten_get_now() - start > 2100) { // wait and see that no gc'ing happens yet
|
|
GC_MALLOC(1024*1024*2); // allocate enough to trigger a GC
|
|
stage = 3;
|
|
start = emscripten_get_now();
|
|
printf("stage 3\n");
|
|
}
|
|
} else if (stage == 3) {
|
|
assert(!global);
|
|
if (freed == 5) {
|
|
printf("Ok.\n");
|
|
int result = 1;
|
|
REPORT_RESULT();
|
|
return;
|
|
}
|
|
if (emscripten_get_now() - start > 2100) {
|
|
printf("fail, too much time passed (b)\n");
|
|
return;
|
|
}
|
|
}
|
|
|
|
emscripten_async_call(waiter, 100);
|
|
}
|
|
|
|
int main() {
|
|
start = emscripten_get_now();
|
|
|
|
GC_INIT();
|
|
|
|
void *local, *local2, *local3, *local4;
|
|
|
|
global = GC_MALLOC(12);
|
|
GC_REGISTER_FINALIZER_NO_ORDER(global, finalizer, 0, 0, 0);
|
|
local = GC_MALLOC(12);
|
|
GC_REGISTER_FINALIZER_NO_ORDER(local, finalizer, (void*)1, 0, 0);
|
|
local2 = GC_MALLOC_ATOMIC(12);
|
|
GC_REGISTER_FINALIZER_NO_ORDER(local2, finalizer, (void*)2, 0, 0);
|
|
local3 = GC_MALLOC(12);
|
|
GC_REGISTER_FINALIZER_NO_ORDER(local3, finalizer, (void*)3, 0, 0);
|
|
local4 = GC_MALLOC(12);
|
|
GC_REGISTER_FINALIZER_NO_ORDER(local4, finalizer, (void*)4, 0, 0);
|
|
|
|
void **globalData = (void**)global;
|
|
globalData[0] = local;
|
|
globalData[1] = local2;
|
|
|
|
void **localData = (void**)local;
|
|
localData[0] = local3;
|
|
|
|
void **local2Data = (void**)local2;
|
|
local2Data[0] = local4; // actually ignored, because local2 is atomic, so 4 is freeable
|
|
|
|
emscripten_async_call(waiter, 100);
|
|
|
|
return 0;
|
|
}
|
|
|