[PATCH] Optimal performance when use http non-persistent connection

[Zhangshaokun]

# HG changeset patch
# User Rui Sun <sunrui26 at huawei.com<mailto:sunrui26 at huawei.com>>
# Date 1572848389 -28800
#      Mon Nov 04 14:19:49 2019 +0800
# Branch local
# Node ID a5ae6e9e99f747fcb45082bac8795622938184f1
# Parent  89adf49fe76ada86d84e2af8f5cee9ca8c3dca19
Optimal performance when use http non-persistent connection

diff -r 89adf49fe76a -r a5ae6e9e99f7 src/core/ngx_cycle.c
--- a/src/core/ngx_cycle.c        Mon Oct 21 20:22:30 2019 +0300
+++ b/src/core/ngx_cycle.c     Mon Nov 04 14:19:49 2019 +0800
@@ -35,6 +35,40 @@
/* STUB */


+void
+ngx_change_pid_core(ngx_cycle_t *cycle)
+{
+    ngx_pid_t           setpid;
+    ngx_cpuset_t        *setaffinity=NULL;
+    setpid = ngx_getpid();
+    {
+#if (NGX_HAVE_CPU_AFFINITY)
+        ngx_core_conf_t  *ccf;
+
+        ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
+
+        if (ccf->cpu_affinity == NULL) {
+            setaffinity = NULL;
+        }
+
+        if (ccf->cpu_affinity_auto) {
+           setaffinity = NULL;
+        }
+
+        setaffinity = &ccf->cpu_affinity[0];
+
+#else
+
+        setaffinity = NULL;
+
+#endif
+    }
+
+    if (setaffinity)
+           // set new mask
+        sched_setaffinity(setpid, sizeof(ngx_cpuset_t), setaffinity);
+}
+
ngx_cycle_t *
ngx_init_cycle(ngx_cycle_t *old_cycle)
{
@@ -278,6 +312,8 @@
         return NULL;
     }

+    ngx_change_pid_core(cycle);
+
     if (ngx_test_config && !ngx_quiet_mode) {
         ngx_log_stderr(0, "the configuration file %s syntax is ok",
                        cycle->conf_file.data);

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