From 7823cc3b0d263530ed4590d27ee4d1fe12dca0dc Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Wed, 14 Jul 2004 16:01:42 +0000
Subject: nginx-0.0.7-2004-07-14-20:01:42 import

---
 src/os/unix/ngx_pthread_thread.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/os/unix/ngx_pthread_thread.c')

diff --git a/src/os/unix/ngx_pthread_thread.c b/src/os/unix/ngx_pthread_thread.c
index d5d816f2e..621565621 100644
--- a/src/os/unix/ngx_pthread_thread.c
+++ b/src/os/unix/ngx_pthread_thread.c
@@ -146,6 +146,10 @@ ngx_int_t ngx_mutex_trylock(ngx_mutex_t *m)
 
     err = pthread_mutex_trylock(&m->mutex);
 
+    if (err == NGX_EBUSY) {
+        return NGX_AGAIN;
+    }
+
     if (err != 0) {
         ngx_log_error(NGX_LOG_ALERT, m->log, err,
                       "pthread_mutex_trylock(" PTR_FMT ") failed", m);
-- 
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