fix worker init and exit code to run only on process SINGLE or WORKER, to be...

fix worker init and exit code to run only on process SINGLE or WORKER, to be possible use the module and proxy cache on the same nginx

src/ngx_http_push_stream_module_setup.c

@@ -228,6 +228,10 @@ ngx_http_push_stream_init_worker(ngx_cycle_t *cycle)
         return NGX_OK;
     }
 
+    if ((ngx_process != NGX_PROCESS_SINGLE) && (ngx_process != NGX_PROCESS_WORKER)) {
+        return NGX_OK;
+    }
+
     if ((ngx_http_push_stream_ipc_init_worker()) != NGX_OK) {
         return NGX_ERROR;
     }
@@ -266,6 +270,10 @@ ngx_http_push_stream_exit_worker(ngx_cycle_t *cycle)
         return;
     }
 
+    if ((ngx_process != NGX_PROCESS_SINGLE) && (ngx_process != NGX_PROCESS_WORKER)) {
+        return;
+    }
+
     // disconnect all subscribers (force_disconnect = 1)
     ngx_http_push_stream_disconnect_worker_subscribers(1);
     ngx_http_push_stream_clean_worker_data();