RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ 63d618451768edbcafde009c1e7638f89763bce5

Troy a4fbc53c3d Add comments for all functions in components/libc/posix/io/eventfd/eventfd.c		1 rok temu
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compilers	71560bafb5 🎯 Sync smart & scheduler codes (#8537)	2 lat temu
cplusplus	1b8654b98e Add GCC generalized atomic operation function	1 rok temu
posix	a4fbc53c3d Add comments for all functions in components/libc/posix/io/eventfd/eventfd.c	1 rok temu
Kconfig	005828eba7 [nano] rt-thread susport nano option	2 lat temu
SConscript	005828eba7 [nano] rt-thread susport nano option	2 lat temu
posix-info.txt	3e59cfd70e update posix-info.txt	4 lat temu