osrng: use getrandom(2) instead of /dev/random on linux/NetBSD/FreeBSD/DragonFly, open /dev/random with O_CLOEXEC #1325
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…D/DragonFly Decays gracefully in case of errors: getrandom(0x5642c460afd0, 32, 0) = -1 ENOSYS (Function not implemented) (INJECTED) openat(AT_FDCWD, "/dev/random", O_RDONLY) = 3 read(3, "\233\237w#.\365d\304\240\355N\212\335\4\27h9\v\7\203e\377K@\36\34\3G\17B\327\266", 32) = 32 close(3) = 0 Otherwise equivalent
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Decays gracefully in case of errors:
otherwise equivalent