Merge of r4865: clearing of cpu_affinity after process spawn.

This fixes unwanted/incorrect cpu_affinity use on dead worker processes
respawn.  While this is not ideal, it's expected to be better when previous
situation where multiple processes were spawn with identical CPU affinity
set.

Reported by Charles Chen.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/os/unix/ngx_process_cycle.c b/src/os/unix/ngx_process_cycle.c
index 0474a26ca..4781d9c71 100644
--- a/src/os/unix/ngx_process_cycle.c
+++ b/src/os/unix/ngx_process_cycle.c
@@ -371,6 +371,8 @@ ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n, ngx_int_t type)
 
         ngx_pass_open_channel(cycle, &ch);
     }
+
+    cpu_affinity = 0;
 }