From: Ruslan Ermilov <ru@nginx.com>
Date: Thu, 4 Aug 2016 20:42:00 +0000 (+0300)
Subject: Fixed undefined behavior when left shifting signed integer.
X-Git-Tag: release-1.11.4~39
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=31389e4921c81bd7a3b82a95032e60e13454bae4;p=nginx.git

Fixed undefined behavior when left shifting signed integer.
---

diff --git a/src/os/unix/ngx_process_cycle.c b/src/os/unix/ngx_process_cycle.c
index 7cee1c548..8c2d968a5 100644
--- a/src/os/unix/ngx_process_cycle.c
+++ b/src/os/unix/ngx_process_cycle.c
@@ -884,7 +884,7 @@ ngx_worker_process_init(ngx_cycle_t *cycle, ngx_int_t worker)
                       "sigprocmask() failed");
     }
 
-    srandom((ngx_pid << 16) ^ ngx_time());
+    srandom(((unsigned) ngx_pid << 16) ^ ngx_time());
 
     /*
      * disable deleting previous events for the listening sockets because