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00df61d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | #include <emscripten/console.h>
#include <emscripten/wasm_worker.h>
#include <emscripten/stack.h>
#include <emscripten/console.h>
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#define ALIGN(x,y) ((x)+(y)-1 & -(y))
#define THREAD_STACK_SIZE 2048
#define NUM_THREADS 2
void *thread_stack[NUM_THREADS];
volatile int threadsOk = 0;
void test_stack(int i) {
emscripten_outf("In thread %d, stack low addr=%p, emscripten_stack_get_base()=%p, emscripten_stack_get_end()=%p, THREAD_STACK_SIZE=%d",
i, thread_stack[i],
(void*)emscripten_stack_get_base(),
(void*)emscripten_stack_get_end(),
THREAD_STACK_SIZE);
assert(emscripten_stack_get_base() == (uintptr_t)thread_stack[i] + THREAD_STACK_SIZE);
emscripten_outf("__builtin_wasm_tls_size: %lu", __builtin_wasm_tls_size());
// The stack region in wasm workers also includes TLS, so we need to take
// this into account when calculating our expected stack end.
size_t expected_stack_end = (uintptr_t)thread_stack[i] + ALIGN(__builtin_wasm_tls_size(), 16);
assert(emscripten_stack_get_end() == expected_stack_end);
int ok = __sync_fetch_and_add(&threadsOk, 1);
emscripten_outf("%d", ok);
if (ok == 1) {
emscripten_out("Test finished!");
#ifdef REPORT_RESULT
REPORT_RESULT(0);
#endif
}
}
int main() {
emscripten_outf("Main thread stack base=%p, end=%p", (void*)emscripten_stack_get_base(), (void*)emscripten_stack_get_end());
for (int i = 0; i < NUM_THREADS; ++i) {
thread_stack[i] = memalign(16, THREAD_STACK_SIZE);
emscripten_wasm_worker_t worker = emscripten_create_wasm_worker(thread_stack[i], THREAD_STACK_SIZE);
emscripten_outf("Created thread %d with stack ptr=%p, end=%p, size=%x", i, thread_stack[i], thread_stack[i] + THREAD_STACK_SIZE, THREAD_STACK_SIZE);
emscripten_wasm_worker_post_function_vi(worker, test_stack, i);
}
}
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