porting: Fix some oddities in linux examples

porting/examples/linux/main.c

@@ -56,6 +56,8 @@ void *ble_host_task(void *param)
 
 int main(void)
 {
+    int ret = 0;
+
     ble_hci_sock_init();
     nimble_port_init();
 
@@ -79,11 +81,5 @@ int main(void)
                       NULL, TASK_DEFAULT_PRIORITY, BLE_NPL_WAIT_FOREVER, 
                       TASK_DEFAULT_STACK, TASK_DEFAULT_STACK_SIZE);
 
-    int ret = 0;
-    pthread_exit(&ret);         
-         
-    while (true)
-    {
-        pthread_yield();
-    }
+    pthread_exit(&ret);
 }

porting/examples/linux_blemesh/ble.c

@@ -22,6 +22,7 @@
 #include "console/console.h"
 
 /* BLE */
+#include "nimble/nimble_port.h"
 #include "nimble/ble.h"
 #include "host/ble_hs.h"
 #include "services/gap/ble_svc_gap.h"

porting/examples/linux_blemesh/main.c

@@ -23,8 +23,8 @@
 #include <pthread.h>
 #include "nimble/nimble_npl.h"
 #include "nimble/nimble_port.h"
-#include "nimble/nimble_port.h"
 
+#include "mesh/glue.h"
 #include "mesh/porting.h"
 
 #include "services/gap/ble_svc_gap.h"
@@ -62,13 +62,15 @@ void *ble_mesh_adv_task(void *param)
 
 void mesh_initialized(void)
 {
-    ble_npl_task_init(&s_task_host, "ble_mesh_adv", ble_mesh_adv_task,
+    ble_npl_task_init(&s_task_mesh_adv, "ble_mesh_adv", ble_mesh_adv_task,
                       NULL, TASK_DEFAULT_PRIORITY, BLE_NPL_WAIT_FOREVER,
                       TASK_DEFAULT_STACK, TASK_DEFAULT_STACK_SIZE);
 }
 
 int main(void)
 {
+    int ret = 0;
+
     ble_hci_sock_init();
     nimble_port_init();
 
@@ -88,11 +90,5 @@ int main(void)
                       NULL, TASK_DEFAULT_PRIORITY, BLE_NPL_WAIT_FOREVER,
                       TASK_DEFAULT_STACK, TASK_DEFAULT_STACK_SIZE);
 
-    int ret = 0;
     pthread_exit(&ret);
-
-    while (true)
-    {
-        pthread_yield();
-    }
 }