refactor: 优化信号处理和rseq事件检查的代码结构 #1700
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fslongjin
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Jan 22, 2026
fslongjin
commented
- 在信号恢复流程中，提前提取cr2值以避免持锁访问用户内存
- 在rseq事件处理函数中，提前提取注册状态以避免重复调用is_registered()
- 在信号恢复流程中，提前提取cr2值以避免持锁访问用户内存 - 在rseq事件处理函数中，提前提取注册状态以避免重复调用is_registered() Signed-off-by: longjin <longjin@DragonOS.org>
…H/SIGURG）。这样 SIGCONT 不会打断 nanosleep，时间被停止的区段就会被计入整体睡眠时间，符合 Linux 语义和测试注释。 Signed-off-by: longjin <longjin@DragonOS.org>
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