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Merge branch 'bugfix/sntp_init_can_run_before_net_connection_v4.1' into 'release/v4.1'

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lw_ip: Add to sys_arch_protect() a check that the mutex is created before use if not then creates it (v4.1)

See merge request espressif/esp-idf!7756
This commit is contained in:
Jiang Jiang Jian 2020-02-26 11:30:09 +08:00
commit 9c8c6b5cd5
1 changed files with 7 additions and 2 deletions
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9
components/lwip/port/esp32/freertos/sys_arch.c
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@ -423,8 +423,10 @@ sys_thread_new(const char *name, lwip_thread_fn thread, void *arg, int stacksize
void
sys_init(void)
{
if (ERR_OK != sys_mutex_new(&g_lwip_protect_mutex)) {
ESP_LOGE(TAG, "sys_init: failed to init lwip protect mutex\n");
if (!g_lwip_protect_mutex) {
if (ERR_OK != sys_mutex_new(&g_lwip_protect_mutex)) {
ESP_LOGE(TAG, "sys_init: failed to init lwip protect mutex\n");
}
}
// Create the pthreads key for the per-thread semaphore storage
@ -465,6 +467,9 @@ sys_now(void)
sys_prot_t
sys_arch_protect(void)
{
if (unlikely(!g_lwip_protect_mutex)) {
sys_mutex_new(&g_lwip_protect_mutex);
}
sys_mutex_lock(&g_lwip_protect_mutex);
return (sys_prot_t) 1;
}