mirror of
https://github.com/bytecodealliance/wasm-micro-runtime.git
synced 2025-03-12 08:55:28 +00:00
Add wasm_module_obtain() to clone wasm_module_t (#1660)
Also add support for wasm_shared_module_t, and add lock for wasm_module_t related operations. And add wasm-c-api sample threads, update sample clone.
This commit is contained in:
liang.he
GitHub
parent
f59ffa0d63
commit
30ee992762
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@ -17,10 +17,24 @@
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#endif /*WASM_ENABLE_JIT != 0 && WASM_ENABLE_LAZY_JIT == 0*/
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#endif /*WASM_ENABLE_AOT != 0*/
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/*
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* Thread Model:
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* - Only one wasm_engine_t in one process
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* - One wasm_store_t is only accessed by one thread. wasm_store_t can't be
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* shared in threads
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* - wasm_module_t can be shared in threads
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* - wasm_instance_t can not be shared in threads
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*/
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#define ASSERT_NOT_IMPLEMENTED() bh_assert(!"not implemented")
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#define UNREACHABLE() bh_assert(!"unreachable")
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typedef struct wasm_module_ex_t wasm_module_ex_t;
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typedef struct wasm_module_ex_t {
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struct WASMModuleCommon *module_comm_rt;
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wasm_byte_vec_t *binary;
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korp_mutex lock;
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uint32 ref_count;
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} wasm_module_ex_t;
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static void
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wasm_module_delete_internal(wasm_module_t *);
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@ -261,7 +275,24 @@ static void
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wasm_engine_delete_internal(wasm_engine_t *engine)
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{
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if (engine) {
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DEINIT_VEC(engine->stores, wasm_store_vec_delete);
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if (engine->stores) {
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bh_vector_destroy((Vector *)engine->stores);
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wasm_runtime_free(engine->stores);
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}
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/* clean all created wasm_module_t and their locks */
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{
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unsigned i;
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for (i = 0; i < engine->modules.num_elems; i++) {
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wasm_module_ex_t *module;
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if (bh_vector_get(&engine->modules, i, &module)) {
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os_mutex_destroy(&module->lock);
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wasm_runtime_free(module);
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}
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}
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bh_vector_destroy(&engine->modules);
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}
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wasm_runtime_free(engine);
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}
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@ -319,9 +350,14 @@ wasm_engine_new_internal(mem_alloc_type_t type, const MemAllocOption *opts)
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goto failed;
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}
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/* create wasm_store_vec_t */
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INIT_VEC(engine->stores, wasm_store_vec_new_uninitialized, 1);
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if (!bh_vector_init(&engine->modules, DEFAULT_VECTOR_INIT_SIZE,
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sizeof(wasm_module_ex_t *), true))
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goto failed;
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engine->ref_count = 1;
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RETURN_OBJ(engine, wasm_engine_delete_internal)
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}
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@ -345,13 +381,10 @@ wasm_engine_new_with_args(mem_alloc_type_t type, const MemAllocOption *opts)
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os_mutex_lock(&engine_lock);
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#endif
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if (!singleton_engine) {
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if (!singleton_engine)
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singleton_engine = wasm_engine_new_internal(type, opts);
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}
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if (singleton_engine) {
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else
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singleton_engine->ref_count++;
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}
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#if defined(OS_THREAD_MUTEX_INITIALIZER)
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os_mutex_unlock(&engine_lock);
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@ -376,23 +409,27 @@ wasm_engine_new_with_config(own wasm_config_t *config)
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void
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wasm_engine_delete(wasm_engine_t *engine)
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{
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if (!engine)
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return;
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#if defined(OS_THREAD_MUTEX_INITIALIZER)
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os_mutex_lock(&engine_lock);
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#endif
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if (!engine || !singleton_engine || engine != singleton_engine) {
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if (!singleton_engine) {
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#if defined(OS_THREAD_MUTEX_INITIALIZER)
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os_mutex_unlock(&engine_lock);
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#endif
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return;
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}
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if (singleton_engine->ref_count > 0) {
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singleton_engine->ref_count--;
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if (singleton_engine->ref_count == 0) {
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wasm_engine_delete_internal(engine);
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singleton_engine = NULL;
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}
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bh_assert(engine == singleton_engine);
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bh_assert(singleton_engine->ref_count > 0);
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singleton_engine->ref_count--;
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if (singleton_engine->ref_count == 0) {
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wasm_engine_delete_internal(engine);
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singleton_engine = NULL;
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}
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#if defined(OS_THREAD_MUTEX_INITIALIZER)
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@ -446,29 +483,10 @@ failed:
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void
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wasm_store_delete(wasm_store_t *store)
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{
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size_t i, store_count;
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if (!store) {
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return;
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}
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/* remove it from the list in the engine */
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store_count = bh_vector_size((Vector *)singleton_engine->stores);
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for (i = 0; i != store_count; ++i) {
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wasm_store_t *tmp;
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if (!bh_vector_get((Vector *)singleton_engine->stores, (uint32)i,
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&tmp)) {
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break;
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}
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if (tmp == store) {
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bh_vector_remove((Vector *)singleton_engine->stores, (uint32)i,
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NULL);
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break;
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}
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}
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DEINIT_VEC(store->modules, wasm_module_vec_delete);
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DEINIT_VEC(store->instances, wasm_instance_vec_delete);
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if (store->foreigns) {
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@ -477,7 +495,6 @@ wasm_store_delete(wasm_store_t *store)
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}
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wasm_runtime_free(store);
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wasm_runtime_destroy_thread_env();
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}
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@ -1858,11 +1875,6 @@ wasm_foreign_delete(wasm_foreign_t *foreign)
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}
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}
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struct wasm_module_ex_t {
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struct WASMModuleCommon *module_comm_rt;
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wasm_byte_vec_t *binary;
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};
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static inline wasm_module_t *
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module_ext_to_module(wasm_module_ex_t *module_ex)
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{
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@ -1888,20 +1900,18 @@ wasm_module_new(wasm_store_t *store, const wasm_byte_vec_t *binary)
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{
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char error_buf[128] = { 0 };
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wasm_module_ex_t *module_ex = NULL;
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PackageType pkg_type;
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bh_assert(singleton_engine);
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if (!store || !binary || binary->size > UINT32_MAX) {
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LOG_ERROR("%s failed", __FUNCTION__);
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return NULL;
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}
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pkg_type = get_package_type((uint8 *)binary->data, (uint32)binary->size);
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if (!store || !binary || binary->size == 0 || binary->size > UINT32_MAX)
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goto quit;
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/* whether the combination of compilation flags are compatable with the
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* package type */
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{
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PackageType pkg_type;
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pkg_type =
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get_package_type((uint8 *)binary->data, (uint32)binary->size);
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bool result = false;
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#if WASM_ENABLE_INTERP != 0
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result = (pkg_type == Wasm_Module_Bytecode);
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@ -1913,34 +1923,58 @@ wasm_module_new(wasm_store_t *store, const wasm_byte_vec_t *binary)
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if (!result) {
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LOG_VERBOSE("current building isn't compatiable with the module,"
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"may need recompile");
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goto quit;
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}
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}
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module_ex = malloc_internal(sizeof(wasm_module_ex_t));
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if (!module_ex) {
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goto failed;
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}
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if (!module_ex)
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goto quit;
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INIT_VEC(module_ex->binary, wasm_byte_vec_new, binary->size, binary->data);
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module_ex->binary = malloc_internal(sizeof(wasm_byte_vec_t));
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if (!module_ex->binary)
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goto free_module;
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wasm_byte_vec_copy(module_ex->binary, binary);
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if (!module_ex->binary->data)
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goto free_binary;
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module_ex->module_comm_rt = wasm_runtime_load(
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(uint8 *)module_ex->binary->data, (uint32)module_ex->binary->size,
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error_buf, (uint32)sizeof(error_buf));
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if (!(module_ex->module_comm_rt)) {
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LOG_ERROR(error_buf);
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goto failed;
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goto free_vec;
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}
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/* add it to a watching list in store */
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if (!bh_vector_append((Vector *)store->modules, &module_ex)) {
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goto failed;
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}
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/* append it to a watching list in store */
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if (!bh_vector_append((Vector *)store->modules, &module_ex))
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goto unload;
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if (os_mutex_init(&module_ex->lock) != BHT_OK)
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goto remove_last;
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if (!bh_vector_append(&singleton_engine->modules, &module_ex))
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goto destroy_lock;
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module_ex->ref_count = 1;
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return module_ext_to_module(module_ex);
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failed:
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destroy_lock:
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os_mutex_destroy(&module_ex->lock);
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remove_last:
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bh_vector_remove((Vector *)store->modules, store->modules->num_elems - 1,
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NULL);
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unload:
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wasm_runtime_unload(module_ex->module_comm_rt);
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free_vec:
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wasm_byte_vec_delete(module_ex->binary);
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free_binary:
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wasm_runtime_free(module_ex->binary);
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free_module:
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wasm_runtime_free(module_ex);
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quit:
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LOG_ERROR("%s failed", __FUNCTION__);
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wasm_module_delete_internal(module_ext_to_module(module_ex));
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return NULL;
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}
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@ -1978,6 +2012,16 @@ wasm_module_delete_internal(wasm_module_t *module)
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}
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module_ex = module_to_module_ext(module);
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os_mutex_lock(&module_ex->lock);
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/* N -> N-1 -> 0 -> UINT32_MAX */
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module_ex->ref_count--;
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if (module_ex->ref_count > 0) {
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os_mutex_unlock(&module_ex->lock);
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return;
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}
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DEINIT_VEC(module_ex->binary, wasm_byte_vec_delete);
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if (module_ex->module_comm_rt) {
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@ -1985,13 +2029,14 @@ wasm_module_delete_internal(wasm_module_t *module)
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module_ex->module_comm_rt = NULL;
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}
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wasm_runtime_free(module_ex);
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os_mutex_unlock(&module_ex->lock);
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}
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void
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wasm_module_delete(wasm_module_t *module)
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{
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/* the module will be released when releasing the store */
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(void)module;
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}
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void
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@ -2007,6 +2052,9 @@ wasm_module_imports(const wasm_module_t *module, own wasm_importtype_vec_t *out)
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return;
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}
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if (((const wasm_module_ex_t *)(module))->ref_count == 0)
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return;
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#if WASM_ENABLE_INTERP != 0
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if ((*module)->module_type == Wasm_Module_Bytecode) {
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import_func_count = MODULE_INTERP(module)->import_function_count;
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@ -2243,6 +2291,9 @@ wasm_module_exports(const wasm_module_t *module, wasm_exporttype_vec_t *out)
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return;
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}
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if (((const wasm_module_ex_t *)(module))->ref_count == 0)
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return;
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#if WASM_ENABLE_INTERP != 0
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if ((*module)->module_type == Wasm_Module_Bytecode) {
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export_count = MODULE_INTERP(module)->export_count;
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@ -2425,6 +2476,9 @@ wasm_module_serialize(wasm_module_t *module, own wasm_byte_vec_t *out)
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if (!module || !out)
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return;
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if (((const wasm_module_ex_t *)(module))->ref_count == 0)
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return;
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module_ex = module_to_module_ext(module);
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comp_ctx = ((WASMModule *)(module_ex->module_comm_rt))->comp_ctx;
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comp_data = ((WASMModule *)(module_ex->module_comm_rt))->comp_data;
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@ -2446,6 +2500,69 @@ wasm_module_deserialize(wasm_store_t *store, const wasm_byte_vec_t *binary)
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}
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#endif
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wasm_module_t *
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wasm_module_obtain(wasm_store_t *store, wasm_shared_module_t *shared_module)
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{
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wasm_module_ex_t *module_ex = NULL;
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if (!store || !shared_module)
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return NULL;
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module_ex = (wasm_module_ex_t *)shared_module;
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os_mutex_lock(&module_ex->lock);
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/* deleting the module... */
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if (module_ex->ref_count == 0) {
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LOG_WARNING("wasm_module_obtain re-enter a module under deleting.");
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os_mutex_unlock(&module_ex->lock);
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return NULL;
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}
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/* add it to a watching list in store */
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if (!bh_vector_append((Vector *)store->modules, &module_ex)) {
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os_mutex_unlock(&module_ex->lock);
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return NULL;
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}
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module_ex->ref_count++;
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os_mutex_unlock(&module_ex->lock);
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return (wasm_module_t *)shared_module;
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}
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wasm_shared_module_t *
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wasm_module_share(wasm_module_t *module)
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{
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wasm_module_ex_t *module_ex = NULL;
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if (!module)
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return NULL;
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module_ex = (wasm_module_ex_t *)module;
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os_mutex_lock(&module_ex->lock);
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/* deleting the module... */
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if (module_ex->ref_count == 0) {
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LOG_WARNING("wasm_module_share re-enter a module under deleting.");
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os_mutex_unlock(&module_ex->lock);
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return NULL;
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}
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module_ex->ref_count++;
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os_mutex_unlock(&module_ex->lock);
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return (wasm_shared_module_t *)module;
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}
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void
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wasm_shared_module_delete(own wasm_shared_module_t *shared_module)
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{
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return wasm_module_delete_internal((wasm_module_t *)shared_module);
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}
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static wasm_func_t *
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wasm_func_new_basic(wasm_store_t *store, const wasm_functype_t *type,
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wasm_func_callback_t func_callback)
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@ -25,12 +25,14 @@ WASM_DECLARE_VEC(store, *)
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/* Runtime Environment */
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struct wasm_engine_t {
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/* support one store for now */
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wasm_store_vec_t *stores;
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uint32 ref_count;
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/* list of wasm_module_ex_t */
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Vector modules;
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};
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struct wasm_store_t {
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/* maybe should remove the list */
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wasm_module_vec_t *modules;
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wasm_instance_vec_t *instances;
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Vector *foreigns;
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|
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@ -464,6 +464,7 @@ struct WASMModuleCommon;
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typedef struct WASMModuleCommon *wasm_module_t;
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#endif
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WASM_API_EXTERN own wasm_module_t* wasm_module_new(
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wasm_store_t*, const wasm_byte_vec_t* binary);
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@ -477,6 +478,11 @@ WASM_API_EXTERN void wasm_module_exports(const wasm_module_t*, own wasm_exportty
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WASM_API_EXTERN void wasm_module_serialize(wasm_module_t*, own wasm_byte_vec_t* out);
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WASM_API_EXTERN own wasm_module_t* wasm_module_deserialize(wasm_store_t*, const wasm_byte_vec_t*);
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typedef wasm_module_t wasm_shared_module_t;
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WASM_API_EXTERN own wasm_shared_module_t* wasm_module_share(wasm_module_t*);
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WASM_API_EXTERN own wasm_module_t* wasm_module_obtain(wasm_store_t*, wasm_shared_module_t*);
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WASM_API_EXTERN void wasm_shared_module_delete(own wasm_shared_module_t*);
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// Function Instances
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|
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@ -134,6 +134,7 @@ set(EXAMPLES
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memory
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reflect
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table
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threads
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trap
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)
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|
|
|
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@ -20,6 +20,7 @@ typedef struct _vm {
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wasm_engine_t *engine;
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wasm_store_t *store;
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wasm_module_t *module;
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wasm_shared_module_t *shared_module;
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wasm_instance_t *instance;
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wasm_func_t **function_list;
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wasm_memory_t *memory;
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@ -72,10 +73,49 @@ fail:
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return NULL;
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}
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wasm_vm_t *
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vm_release(wasm_vm_t *vm)
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{
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if (!vm)
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||||
return NULL;
|
||||
|
||||
if (vm->function_list) {
|
||||
free(vm->function_list);
|
||||
vm->function_list = NULL;
|
||||
}
|
||||
|
||||
vm->memory = NULL;
|
||||
|
||||
if (vm->exports) {
|
||||
wasm_extern_vec_delete(vm->exports);
|
||||
free(vm->exports);
|
||||
vm->exports = NULL;
|
||||
}
|
||||
|
||||
wasm_instance_delete(vm->instance);
|
||||
vm->instance = NULL;
|
||||
|
||||
wasm_shared_module_delete(vm->shared_module);
|
||||
vm->shared_module = NULL;
|
||||
|
||||
wasm_module_delete(vm->module);
|
||||
vm->module = NULL;
|
||||
|
||||
wasm_store_delete(vm->store);
|
||||
vm->store = NULL;
|
||||
|
||||
wasm_engine_delete(vm->engine);
|
||||
vm->engine = NULL;
|
||||
|
||||
free(vm);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
bool
|
||||
vm_load(wasm_vm_t *vm, const wasm_byte_vec_t *binary)
|
||||
{
|
||||
vm->module = wasm_module_new(vm->store, binary);
|
||||
vm->shared_module = wasm_module_share(vm->module);
|
||||
return vm->module != NULL;
|
||||
}
|
||||
|
||||
|
|
@ -127,7 +167,10 @@ vm_clone_from_module(const wasm_vm_t *base)
|
|||
secondary = vm_new();
|
||||
if (secondary) {
|
||||
printf("Reuse module and bypass vm_load()...");
|
||||
secondary->module = base->module;
|
||||
secondary->module =
|
||||
wasm_module_obtain(base->store, base->shared_module);
|
||||
if (!secondary->module)
|
||||
secondary = vm_release(secondary);
|
||||
}
|
||||
|
||||
return secondary;
|
||||
|
|
@ -163,39 +206,6 @@ vm_clone(const wasm_vm_t *base, clone_level level)
|
|||
return vm_clone_from_instance(base);
|
||||
}
|
||||
|
||||
wasm_vm_t *
|
||||
vm_release(wasm_vm_t *vm)
|
||||
{
|
||||
if (!vm)
|
||||
return NULL;
|
||||
|
||||
if (vm->function_list) {
|
||||
free(vm->function_list);
|
||||
vm->function_list = NULL;
|
||||
}
|
||||
|
||||
if (vm->exports) {
|
||||
wasm_extern_vec_delete(vm->exports);
|
||||
free(vm->exports);
|
||||
vm->exports = NULL;
|
||||
}
|
||||
|
||||
wasm_instance_delete(vm->instance);
|
||||
vm->instance = NULL;
|
||||
|
||||
wasm_module_delete(vm->module);
|
||||
vm->module = NULL;
|
||||
|
||||
wasm_store_delete(vm->store);
|
||||
vm->store = NULL;
|
||||
|
||||
wasm_engine_delete(vm->engine);
|
||||
vm->engine = NULL;
|
||||
|
||||
free(vm);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
bool
|
||||
vm_memory_set_byte(const wasm_vm_t *vm, uint32_t offset, uint8_t byte)
|
||||
{
|
||||
|
|
@ -444,6 +454,8 @@ static void *
|
|||
thrd_func(void *arg)
|
||||
{
|
||||
thread_arg_t *thrd_arg = (thread_arg_t *)arg;
|
||||
|
||||
sleep(rand() % 5);
|
||||
printf("Running warm start at %s...\n", thrd_arg->name);
|
||||
|
||||
pthread_setspecific(name_key, thrd_arg->name);
|
||||
|
|
@ -483,7 +495,6 @@ main()
|
|||
run_test(base_vm);
|
||||
|
||||
printf("Running warm start at other threads...\n");
|
||||
pthread_mutex_trylock(&ready_go_lock);
|
||||
|
||||
pthread_t tids[WORKER_NUMBER] = { 0 };
|
||||
thread_arg_t thrd_args[WORKER_NUMBER] = { 0 };
|
||||
|
|
@ -501,8 +512,8 @@ main()
|
|||
break;
|
||||
}
|
||||
|
||||
sleep(5);
|
||||
|
||||
sleep(1);
|
||||
pthread_mutex_trylock(&ready_go_lock);
|
||||
ready_go_flag = true;
|
||||
pthread_mutex_unlock(&ready_go_lock);
|
||||
pthread_cond_broadcast(&ready_go_cond);
|
||||
|
|
@ -511,6 +522,7 @@ main()
|
|||
if (tids[i] != 0)
|
||||
pthread_join(tids[i], NULL);
|
||||
}
|
||||
|
||||
vm_release(base_vm);
|
||||
ret = EXIT_SUCCESS;
|
||||
quit:
|
||||
|
|
|
|||
185
samples/wasm-c-api/src/threads.c
Normal file
185
samples/wasm-c-api/src/threads.c
Normal file
|
|
@ -0,0 +1,185 @@
|
|||
#include <inttypes.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <pthread.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include "wasm_c_api.h"
|
||||
|
||||
#define own
|
||||
|
||||
const int N_THREADS = 10;
|
||||
const int N_REPS = 3;
|
||||
|
||||
// A function to be called from Wasm code.
|
||||
own wasm_trap_t *
|
||||
callback(const wasm_val_vec_t *args, wasm_val_vec_t *results)
|
||||
{
|
||||
assert(args->data[0].kind == WASM_I32);
|
||||
printf("> Thread %d running\n", args->data[0].of.i32);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
typedef struct {
|
||||
wasm_engine_t *engine;
|
||||
wasm_shared_module_t *module;
|
||||
int id;
|
||||
} thread_args;
|
||||
|
||||
void *
|
||||
run(void *args_abs)
|
||||
{
|
||||
thread_args *args = (thread_args *)args_abs;
|
||||
|
||||
// Rereate store and module.
|
||||
own wasm_store_t *store = wasm_store_new(args->engine);
|
||||
own wasm_module_t *module = wasm_module_obtain(store, args->module);
|
||||
|
||||
// Run the example N times.
|
||||
for (int i = 0; i < N_REPS; ++i) {
|
||||
usleep(100000);
|
||||
|
||||
// Create imports.
|
||||
own wasm_functype_t *func_type =
|
||||
wasm_functype_new_1_0(wasm_valtype_new_i32());
|
||||
own wasm_func_t *func = wasm_func_new(store, func_type, callback);
|
||||
wasm_functype_delete(func_type);
|
||||
|
||||
wasm_val_t val = WASM_I32_VAL((int32_t)args->id);
|
||||
own wasm_globaltype_t *global_type =
|
||||
wasm_globaltype_new(wasm_valtype_new_i32(), WASM_CONST);
|
||||
own wasm_global_t *global = wasm_global_new(store, global_type, &val);
|
||||
wasm_globaltype_delete(global_type);
|
||||
|
||||
// Instantiate.
|
||||
wasm_extern_t *externs[] = {
|
||||
wasm_func_as_extern(func),
|
||||
wasm_global_as_extern(global),
|
||||
};
|
||||
wasm_extern_vec_t imports = WASM_ARRAY_VEC(externs);
|
||||
own wasm_instance_t *instance =
|
||||
wasm_instance_new(store, module, &imports, NULL);
|
||||
if (!instance) {
|
||||
printf("> Error instantiating module!\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
wasm_func_delete(func);
|
||||
wasm_global_delete(global);
|
||||
|
||||
// Extract export.
|
||||
own wasm_extern_vec_t exports;
|
||||
wasm_instance_exports(instance, &exports);
|
||||
if (exports.size == 0) {
|
||||
printf("> Error accessing exports!\n");
|
||||
return NULL;
|
||||
}
|
||||
const wasm_func_t *run_func = wasm_extern_as_func(exports.data[0]);
|
||||
if (run_func == NULL) {
|
||||
printf("> Error accessing export!\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
wasm_instance_delete(instance);
|
||||
|
||||
// Call.
|
||||
wasm_val_vec_t empty = WASM_EMPTY_VEC;
|
||||
if (wasm_func_call(run_func, &empty, &empty)) {
|
||||
printf("> Error calling function!\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
wasm_extern_vec_delete(&exports);
|
||||
}
|
||||
|
||||
wasm_module_delete(module);
|
||||
wasm_store_delete(store);
|
||||
|
||||
free(args_abs);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, const char *argv[])
|
||||
{
|
||||
// Initialize.
|
||||
wasm_engine_t *engine = wasm_engine_new();
|
||||
|
||||
// Load binary.
|
||||
#if WASM_ENABLE_AOT != 0 && WASM_ENABLE_INTERP == 0
|
||||
FILE *file = fopen("threads.aot", "rb");
|
||||
#else
|
||||
FILE *file = fopen("threads.wasm", "rb");
|
||||
#endif
|
||||
if (!file) {
|
||||
printf("> Error loading module!\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
int ret = fseek(file, 0L, SEEK_END);
|
||||
if (ret == -1) {
|
||||
printf("> Error loading module!\n");
|
||||
fclose(file);
|
||||
return 1;
|
||||
}
|
||||
|
||||
long file_size = ftell(file);
|
||||
if (file_size == -1) {
|
||||
printf("> Error loading module!\n");
|
||||
fclose(file);
|
||||
return 1;
|
||||
}
|
||||
|
||||
ret = fseek(file, 0L, SEEK_SET);
|
||||
if (ret == -1) {
|
||||
printf("> Error loading module!\n");
|
||||
fclose(file);
|
||||
return 1;
|
||||
}
|
||||
|
||||
wasm_byte_vec_t binary;
|
||||
wasm_byte_vec_new_uninitialized(&binary, file_size);
|
||||
if (fread(binary.data, file_size, 1, file) != 1) {
|
||||
printf("> Error loading module!\n");
|
||||
return 1;
|
||||
}
|
||||
fclose(file);
|
||||
|
||||
// Compile and share.
|
||||
own wasm_store_t *store = wasm_store_new(engine);
|
||||
own wasm_module_t *module = wasm_module_new(store, &binary);
|
||||
if (!module) {
|
||||
printf("> Error compiling module!\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
wasm_byte_vec_delete(&binary);
|
||||
|
||||
own wasm_shared_module_t *shared = wasm_module_share(module);
|
||||
|
||||
wasm_module_delete(module);
|
||||
wasm_store_delete(store);
|
||||
|
||||
// Spawn threads.
|
||||
pthread_t threads[N_THREADS];
|
||||
for (int i = 0; i < N_THREADS; i++) {
|
||||
thread_args *args = malloc(sizeof(thread_args));
|
||||
args->id = i;
|
||||
args->engine = engine;
|
||||
args->module = shared;
|
||||
printf("Initializing thread %d...\n", i);
|
||||
pthread_create(&threads[i], NULL, &run, args);
|
||||
}
|
||||
|
||||
for (int i = 0; i < N_THREADS; i++) {
|
||||
printf("Waiting for thread: %d\n", i);
|
||||
pthread_join(threads[i], NULL);
|
||||
}
|
||||
|
||||
wasm_shared_module_delete(shared);
|
||||
wasm_engine_delete(engine);
|
||||
|
||||
return 0;
|
||||
}
|
||||
5
samples/wasm-c-api/src/threads.wat
Normal file
5
samples/wasm-c-api/src/threads.wat
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
(module
|
||||
(func $message (import "" "hello") (param i32))
|
||||
(global $id (import "" "id") i32)
|
||||
(func (export "run") (call $message (global.get $id)))
|
||||
)
|
||||
Loading…
Reference in New Issue
Block a user