我看pcntl源碼中php_pcntl_pending_signal先初始化為32個,丟失信號的場景就是信號隊列滿了吧,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; } 如果隊列沒滿的話是可以繼續(xù)處理的,如果滿了,...
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