add REDIRECT

hc

2024-10-09 05e59e5fb0064c97a1c10921ecd549f2d4a58565

 kernel/include/uapi/linux/wait.h
..
..
@@ -17,6 +17,7 @@
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 #define P_ALL		0
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 #define P_PID		1
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 #define P_PGID		2
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+#define P_PIDFD		3
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 #endif /* _UAPI_LINUX_WAIT_H */