我看pcntl源碼中php_pcntl_pending_signal先初始化為32個(gè),丟失信號(hào)的場(chǎng)景就是信號(hào)隊(duì)列滿了吧,代碼如下: psig = PCNTL_G(spares); if (!psig) { / oops, too many signals for us to track, so we'll forget about this one / return; } 如果隊(duì)列沒(méi)滿的話是可以繼續(xù)處理的,如果滿了,...