wit-bindgen-cli 0.57.1

CLI tool to generate bindings for WIT documents and the component model. 
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//@ args = '--rename a:b/i=test --generate-threading-helpers'
//@ [lang]
//@ cflags = "-O2"
//@ ldflags = "-Wl,--export-table"

#include <assert.h>
#include <stdio.h>
#include <test.h>

test_subtask_status_t exports_test_f() { return TEST_CALLBACK_CODE_YIELD; }

uint32_t main_tid = 0;
uint32_t spawned_tid = 0;

void thread_start(void *arg) {
  // Call all the threading builtins; the main thread will do the right thing
  // to resume us.
  test_thread_yield();
  test_thread_yield_cancellable();
  test_thread_suspend();
  test_thread_suspend_cancellable();
  test_thread_yield_to_suspended(main_tid);
  test_thread_yield_to_suspended_cancellable(main_tid);
  test_thread_suspend_to_suspended(main_tid);
  test_thread_suspend_to_suspended_cancellable(main_tid);
  test_thread_suspend_to(main_tid);
  test_thread_suspend_to_cancellable(main_tid);
  test_thread_unsuspend(main_tid);
}

test_subtask_status_t exports_test_f_callback(test_event_t *event) {
  assert(event->event == TEST_EVENT_NONE);
  assert(event->waitable == 0);
  assert(event->code == 0);
  main_tid = test_thread_index();
  spawned_tid = test_thread_new_indirect(thread_start, &main_tid);

  // Now drive the other thread to completion by switching/yielding to it
  test_thread_yield_to_suspended(spawned_tid);   // other yields
  test_thread_yield();                           // other yields
  test_thread_yield();                           // other suspends
  test_thread_yield_to_suspended(spawned_tid);   // other suspends
  test_thread_suspend_to_suspended(spawned_tid); // other yields to me
  test_thread_suspend();                         // other yields to me
  test_thread_suspend();                         // other suspends to me
  test_thread_suspend_to_suspended(spawned_tid); // other suspends to me
  test_thread_suspend_to_suspended(spawned_tid); // other suspends to me
  test_thread_suspend_to_suspended(spawned_tid); // other suspends to me
  test_thread_suspend_to_suspended(
      spawned_tid); // other unsuspends me and terminates
  exports_test_f_return();
  return TEST_CALLBACK_CODE_EXIT;
}