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Implement pthread_cond_broadcast wrapper for lib-pthread (#982)

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Implement pthread_cond_broadcast wrapper for lib-pthread
- support pthread_cond_broadcast wrapper for posix/linux-sgx/windows
- update document for building multi-thread wasm app with emcc
This commit is contained in:
Xu Jun
2022-01-25 09:28:02 +08:00
committed by GitHub
parent 5631a2aa18
commit 90a0057d33
7 changed files with 125 additions and 21 deletions
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19
core/iwasm/libraries/lib-pthread/lib_pthread_wrapper.c
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@ -718,6 +718,13 @@ pthread_self_wrapper(wasm_exec_env_t exec_env)
return args->info_node->handle;
}
/* emcc use __pthread_self rather than pthread_self */
static int32
__pthread_self_wrapper(wasm_exec_env_t exec_env)
{
return pthread_self_wrapper(exec_env);
}
static void
pthread_exit_wrapper(wasm_exec_env_t exec_env, int32 retval_offset)
{
@ -926,6 +933,16 @@ pthread_cond_signal_wrapper(wasm_exec_env_t exec_env, uint32 *cond)
return os_cond_signal(info_node->u.cond);
}
static int32
pthread_cond_broadcast_wrapper(wasm_exec_env_t exec_env, uint32 *cond)
{
ThreadInfoNode *info_node = get_thread_info(exec_env, *cond);
if (!info_node || info_node->type != T_COND)
return -1;
return os_cond_broadcast(info_node->u.cond);
}
static int32
pthread_cond_destroy_wrapper(wasm_exec_env_t exec_env, uint32 *cond)
{
@ -1079,6 +1096,7 @@ static NativeSymbol native_symbols_lib_pthread[] = {
REG_NATIVE_FUNC(pthread_detach, "(i)i"),
REG_NATIVE_FUNC(pthread_cancel, "(i)i"),
REG_NATIVE_FUNC(pthread_self, "()i"),
REG_NATIVE_FUNC(__pthread_self, "()i"),
REG_NATIVE_FUNC(pthread_exit, "(i)"),
REG_NATIVE_FUNC(pthread_mutex_init, "(**)i"),
REG_NATIVE_FUNC(pthread_mutex_lock, "(*)i"),
@ -1088,6 +1106,7 @@ static NativeSymbol native_symbols_lib_pthread[] = {
REG_NATIVE_FUNC(pthread_cond_wait, "(**)i"),
REG_NATIVE_FUNC(pthread_cond_timedwait, "(**I)i"),
REG_NATIVE_FUNC(pthread_cond_signal, "(*)i"),
REG_NATIVE_FUNC(pthread_cond_broadcast, "(*)i"),
REG_NATIVE_FUNC(pthread_cond_destroy, "(*)i"),
REG_NATIVE_FUNC(pthread_key_create, "(*i)i"),
REG_NATIVE_FUNC(pthread_setspecific, "(ii)i"),