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View Code? Open in Web Editor NEW一个深挖 Linux 内核的新功能特性，以 io_uring, cgroup, ebpf, llvm 为代表，包含开源项目，代码案例，文章，视频，架构脑图等
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示例程序-提交队列轮询.c 执行问题
运行uring的示例程序-提交队列轮询.c 有如下问题：
首先，编译的时候120行会报warning，这个return 0就可以了
test_ioring.cpp:120:1: warning: control reaches end of non-void function [-Wreturn-type]
120 | }
然后，程序运行起来，会提示错误。我的环境是linux 5.4.0
$ sudo ./uring
Kernel thread io_uring-sq is not running.
Error in async operation: Invalid argument
Result of the operation: -22
Error in async operation: Invalid argument
Result of the operation: -22
1363500 ? 00:00:00 io_uring-sq
Kernel thread io_uring-sq found running...
Error in async operation: Invalid argument
Result of the operation: -22
Error in async operation: Invalid argument
Result of the operation: -22
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