NGX_LISTEN_BACKLOG   69 os/unix/ngx_darwin_config.h #define NGX_LISTEN_BACKLOG  -1
NGX_LISTEN_BACKLOG   87 os/unix/ngx_freebsd_config.h #define NGX_LISTEN_BACKLOG        -1
NGX_LISTEN_BACKLOG   91 os/unix/ngx_linux_config.h #define NGX_LISTEN_BACKLOG        -1
NGX_LISTEN_BACKLOG  121 os/unix/ngx_posix_config.h #define NGX_LISTEN_BACKLOG  511
NGX_LISTEN_BACKLOG   81 os/unix/ngx_solaris_config.h #define NGX_LISTEN_BACKLOG           511