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feat(lwip): Add to prevent switch to tcpip thread between mbox post and sem wait

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This commit is contained in:
Chen Wen
2018-11-09 17:42:53 +08:00
parent ccca5d8ceb
commit ee32bdc336
3 changed files with 37 additions and 0 deletions
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9
components/lwip/lwip/src/api/tcpip.c
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@ -344,8 +344,17 @@ tcpip_send_msg_wait_sem(tcpip_callback_fn fn, void *apimsg, sys_sem_t* sem)
TCPIP_MSG_VAR_REF(msg).type = TCPIP_MSG_API;
TCPIP_MSG_VAR_REF(msg).msg.api_msg.function = fn;
TCPIP_MSG_VAR_REF(msg).msg.api_msg.msg = apimsg;
#if ESP_LWIP
u8_t prio = sys_thread_priority_get(NULL); // add to prevent switch to tcpip thread between mbox post and sem wait
if((TCPIP_THREAD_PRIO + 1) > prio) {
sys_thread_priority_set(NULL, TCPIP_THREAD_PRIO + 1); // set priority higher than tcpip thread
}
#endif
sys_mbox_post(&mbox, &TCPIP_MSG_VAR_REF(msg));
sys_arch_sem_wait(sem, 0);
#if ESP_LWIP
sys_thread_priority_set(NULL, prio);
#endif
TCPIP_MSG_VAR_FREE(msg);
return ERR_OK;
#endif /* LWIP_TCPIP_CORE_LOCKING */

10
components/lwip/port/esp8266/freertos/sys_arch.c
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@ -438,6 +438,16 @@ sys_arch_msleep(int ms)
vTaskDelay(ms / portTICK_RATE_MS);
}
u8_t sys_thread_priority_get(sys_thread_t thread_handle)
{
return (u8_t)uxTaskPriorityGet(thread_handle);
}
void sys_thread_priority_set(sys_thread_t thread_handle, u8_t priority)
{
vTaskPrioritySet(thread_handle, (UBaseType_t)priority);
}
#if LWIP_NETCONN_SEM_PER_THREAD
static void sys_thread_sem_free(int index, void *data) // destructor for TLS semaphore

18
components/lwip/port/esp8266/include/arch/sys_arch.h
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@ -48,6 +48,24 @@ typedef xTaskHandle sys_thread_t;
#define sys_sem_valid( x ) ( ( ( *x ) == NULL) ? pdFALSE : pdTRUE )
#define sys_sem_set_invalid( x ) ( ( *x ) = NULL )
/**
* Get thread priority througth thread_handle
*
* @param task_handle
*
* @return thread priority
*/
u8_t sys_thread_priority_get(sys_thread_t thread_handle);
/**
* Set thread priority througth thread_handle
*
* @param task_handle
*
* @param priority
*/
void sys_thread_priority_set(sys_thread_t thread_handle, u8_t priority);
#define LWIP_COMPAT_MUTEX 0
#if LWIP_NETCONN_SEM_PER_THREAD