Webb6 juni 2011 · For the normal system, the slow system call (read from terminal device) can block forever. and below example, it is possible to read to time out after some amount of … http://blog.chinaunix.net/uid-25885064-id-3071372.html

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Webb25 juni 2024 · Intercepting every system call would slow things down considerably, an effect that tends to make gamers particularly cranky. Tracking which parts of a process's address space make Linux system calls and which make Windows calls within the (classic) BPF programs used by seccomp () would be awkward at best and, once again, would be … WebbThe distinction between “fast” and “slow” system calls is close to non-blocking vs. blocking, but this time from the point of view of the kernel implementer. A fast syscall is one that … diy spicy ranch

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Webb(This is the system call used to implement pthread_kill(3).) sigqueue(3) Sends a real-time signal with accompanying data to a specified process. Waiting for a signal to be caught … WebbEven if a system call were to take 60s to complete, I'd consider it to be fast if all 60 seconds were spent executing code (i.e. no idle time blocking on external resources.) … WebbFor portability, when the programmes are written, one must be prepared for slow system calls to return EINTR. Even if some system supports the SA_RESTART flag, not all … cranley clinic london