use non-blocking open() not to hang on FIFO files, etc.
diff --git a/src/core/ngx_open_file_cache.c b/src/core/ngx_open_file_cache.c
index 6aa66fd..a9c4532 100644
--- a/src/core/ngx_open_file_cache.c
+++ b/src/core/ngx_open_file_cache.c
@@ -490,7 +490,14 @@
}
if (!of->log) {
- fd = ngx_open_file(name, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0);
+
+ /*
+ * Use non-blocking open() not to hang on FIFO files, etc.
+ * This flag has no effect on a regular files.
+ */
+
+ fd = ngx_open_file(name, NGX_FILE_RDONLY|NGX_FILE_NONBLOCK,
+ NGX_FILE_OPEN, 0);
} else {
fd = ngx_open_file(name, NGX_FILE_APPEND, NGX_FILE_CREATE_OR_OPEN,
