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Cleanup and simplify tcpip_api_call() implementation a bit

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This commit is contained in:
Dirk Ziegelmeier 2016-03-22 21:52:11 +01:00
parent a1fc91afa8
commit 7e7f2f31ff
2 changed files with 24 additions and 23 deletions
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29
src/api/tcpip.c
View File

@ -105,12 +105,8 @@ tcpip_thread(void *arg)
break;
case TCPIP_MSG_API_CALL:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: API CALL message %p\n", (void *)msg));
msg->msg.api_call->err = msg->msg.api_call->function(msg->msg.api_call);
#if LWIP_NETCONN_SEM_PER_THREAD
sys_sem_signal(msg->msg.api_call->sem);
#else /* LWIP_NETCONN_SEM_PER_THREAD */
sys_sem_signal(&msg->msg.api_call->sem);
#endif /* LWIP_NETCONN_SEM_PER_THREAD */
msg->msg.api_call.arg->err = msg->msg.api_call.function(msg->msg.api_call.arg);
sys_sem_signal(msg->msg.api_call.sem);
break;
#endif /* !LWIP_TCPIP_CORE_LOCKING */
@ -376,9 +372,7 @@ tcpip_api_call(tcpip_api_call_fn fn, struct tcpip_api_call *call)
TCPIP_MSG_VAR_DECLARE(msg);
err_t err;
#if LWIP_NETCONN_SEM_PER_THREAD
call->sem = LWIP_NETCONN_THREAD_SEM_GET();
#else /* LWIP_NETCONN_SEM_PER_THREAD */
#if !LWIP_NETCONN_SEM_PER_THREAD
err = sys_sem_new(&call->sem, 0);
if (err != ERR_OK) {
return err;
@ -387,16 +381,21 @@ tcpip_api_call(tcpip_api_call_fn fn, struct tcpip_api_call *call)
TCPIP_MSG_VAR_ALLOC(msg);
TCPIP_MSG_VAR_REF(msg).type = TCPIP_MSG_API_CALL;
TCPIP_MSG_VAR_REF(msg).msg.api_call = call;
TCPIP_MSG_VAR_REF(msg).msg.api_call->function = fn;
sys_mbox_post(&mbox, &TCPIP_MSG_VAR_REF(msg));
TCPIP_MSG_VAR_REF(msg).msg.api_call.arg = call;
TCPIP_MSG_VAR_REF(msg).msg.api_call.function = fn;
#if LWIP_NETCONN_SEM_PER_THREAD
sys_arch_sem_wait(call->sem, 0);
TCPIP_MSG_VAR_REF(msg).msg.api_call.sem = LWIP_NETCONN_THREAD_SEM_GET();
#else /* LWIP_NETCONN_SEM_PER_THREAD */
sys_arch_sem_wait(&call->sem, 0);
TCPIP_MSG_VAR_REF(msg).msg.api_call.sem = &call->sem;
#endif /* LWIP_NETCONN_SEM_PER_THREAD */
sys_mbox_post(&mbox, &TCPIP_MSG_VAR_REF(msg));
sys_arch_sem_wait(TCPIP_MSG_VAR_REF(msg).msg.api_call.sem, 0);
TCPIP_MSG_VAR_FREE(msg);
#if !LWIP_NETCONN_SEM_PER_THREAD
sys_sem_free(&call->sem);
#endif /* LWIP_NETCONN_SEM_PER_THREAD */
TCPIP_MSG_VAR_FREE(msg);
return call->err;
}
return ERR_VAL;

18
src/include/lwip/priv/tcpip_priv.h
View File

@ -97,20 +97,18 @@ extern sys_mutex_t lock_tcpip_core;
err_t tcpip_send_msg_wait_sem(tcpip_callback_fn fn, void *apimsg, sys_sem_t* sem);
struct tcpip_api_call;
typedef err_t (*tcpip_api_call_fn)(struct tcpip_api_call* call);
struct tcpip_api_call
{
tcpip_api_call_fn function;
#if !LWIP_TCPIP_CORE_LOCKING
#if LWIP_NETCONN_SEM_PER_THREAD
sys_sem_t *sem;
#else /* LWIP_NETCONN_SEM_PER_THREAD */
err_t err;
#if !LWIP_NETCONN_SEM_PER_THREAD
sys_sem_t sem;
#endif /* LWIP_NETCONN_SEM_PER_THREAD */
err_t err;
#else /* !LWIP_TCPIP_CORE_LOCKING */
u8_t dummy; /* avoid empty struct :-( */
#endif /* !LWIP_TCPIP_CORE_LOCKING */
};
typedef err_t (*tcpip_api_call_fn)(struct tcpip_api_call* call);
err_t tcpip_api_call(tcpip_api_call_fn fn, struct tcpip_api_call *call);
enum tcpip_msg_type {
@ -132,7 +130,11 @@ struct tcpip_msg {
tcpip_callback_fn function;
void* msg;
} api_msg;
struct tcpip_api_call *api_call;
struct {
tcpip_api_call_fn function;
struct tcpip_api_call *arg;
sys_sem_t *sem;
} api_call;
struct {
struct pbuf *p;
struct netif *netif;