From e2c8ad71221ebcf5ca6331811118f9a6d18aec45 Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Tue, 10 May 2011 11:39:13 +0000
Subject: use POSIX semaphores in shmtx instead of sched_yield() number of
 spinlock spins are increased twice

---
 src/os/unix/ngx_linux_config.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/os/unix/ngx_linux_config.h')

diff --git a/src/os/unix/ngx_linux_config.h b/src/os/unix/ngx_linux_config.h
index cf45e54a1..046095d1d 100644
--- a/src/os/unix/ngx_linux_config.h
+++ b/src/os/unix/ngx_linux_config.h
@@ -58,6 +58,11 @@
 #include <ngx_auto_config.h>
 
 
+#if (NGX_HAVE_POSIX_SEM)
+#include <semaphore.h>
+#endif
+
+
 #if (NGX_HAVE_SYS_PRCTL_H)
 #include <sys/prctl.h>
 #endif
-- 
cgit