NGX_LISTEN_BACKLOG   75 src/os/unix/ngx_darwin_config.h #define NGX_LISTEN_BACKLOG  -1
NGX_LISTEN_BACKLOG   95 src/os/unix/ngx_freebsd_config.h #define NGX_LISTEN_BACKLOG        -1
NGX_LISTEN_BACKLOG  100 src/os/unix/ngx_linux_config.h #define NGX_LISTEN_BACKLOG        511
NGX_LISTEN_BACKLOG  138 src/os/unix/ngx_posix_config.h #define NGX_LISTEN_BACKLOG  511
NGX_LISTEN_BACKLOG   89 src/os/unix/ngx_solaris_config.h #define NGX_LISTEN_BACKLOG           511