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// Copyright 2022 The Emscripten Authors. All rights reserved.
// Emscripten is available under two separate licenses, the MIT license and the
// University of Illinois/NCSA Open Source License. Both these licenses can be
// found in the LICENSE file.
#include <emscripten/fiber.h>
#include <emscripten/stack.h>
void emscripten_fiber_init(
emscripten_fiber_t *fiber,
em_arg_callback_func entry_func,
void *entry_func_arg,
void *c_stack,
size_t c_stack_size,
void *asyncify_stack,
size_t asyncify_stack_size
) {
char *c_stack_base = (char*)c_stack + c_stack_size;
fiber->stack_base = c_stack_base;
fiber->stack_limit = c_stack;
fiber->stack_ptr = c_stack_base;
fiber->entry = entry_func;
fiber->user_data = entry_func_arg;
fiber->asyncify_data.stack_ptr = asyncify_stack;
fiber->asyncify_data.stack_limit = (char*)asyncify_stack + asyncify_stack_size;
}
void emscripten_fiber_init_from_current_context(
emscripten_fiber_t *fiber,
void *asyncify_stack,
size_t asyncify_stack_size
) {
fiber->stack_base = (void*)emscripten_stack_get_base();
fiber->stack_limit = (void*)emscripten_stack_get_end();
fiber->entry = NULL;
fiber->asyncify_data.stack_ptr = asyncify_stack;
fiber->asyncify_data.stack_limit = (char*)asyncify_stack + asyncify_stack_size;
}
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