Added msleep() on reload to allow new processes to start.

This is expected to ensure smoother operation on reload (and with less
chance of listen queue overflows).

Prodded by Igor Sysoev.

diff --git a/src/os/unix/ngx_process_cycle.c b/src/os/unix/ngx_process_cycle.c
index 080d40c1e6ca1e02235ac8a8755a9a01a7dd5584..2b6f4c72a4cf85d679e818d72bf95c5a85ded18c 100644 (file)
--- a/src/os/unix/ngx_process_cycle.c
+++ b/src/os/unix/ngx_process_cycle.c
@@ -250,6 +250,10 @@ ngx_master_process_cycle(ngx_cycle_t *cycle)
             ngx_start_worker_processes(cycle, ccf->worker_processes,
                                        NGX_PROCESS_JUST_RESPAWN);
             ngx_start_cache_manager_processes(cycle, 1);
+
+            /* allow new processes to start */
+            ngx_msleep(100);
+
             live = 1;
             ngx_signal_worker_processes(cycle,
                                         ngx_signal_value(NGX_SHUTDOWN_SIGNAL));