_php_emit_fd_setsize_warning 192 main/php_network.h PHPAPI void _php_emit_fd_setsize_warning(int max_fd); _php_emit_fd_setsize_warning 199 main/php_network.h # define PHP_SAFE_MAX_FD(m, n) do { if (n + 1 >= FD_SETSIZE) { _php_emit_fd_setsize_warning(n); }} while(0) _php_emit_fd_setsize_warning 203 main/php_network.h # define PHP_SAFE_MAX_FD(m, n) do { if (m >= FD_SETSIZE) { _php_emit_fd_setsize_warning(m); m = FD_SETSIZE - 1; }} while(0)