Software / code / prosody
Changeset
7831:201d0df6cce9
util.crand: Comment about getrandom
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Sun, 22 Jan 2017 09:55:44 +0100 |
| parents | 7830:b9910a507250 |
| children | 7832:d02ef0ae94af |
| files | util-src/crand.c |
| diffstat | 1 files changed, 4 insertions(+), 1 deletions(-) [+] |
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--- a/util-src/crand.c Sun Jan 22 09:32:33 2017 +0100 +++ b/util-src/crand.c Sun Jan 22 09:55:44 2017 +0100 @@ -34,7 +34,10 @@ #error getrandom() requires Linux 3.17 or later #endif -/* Was this not supposed to be a function? */ +/* + * This acts like a read from /dev/urandom with the exception that it + * *does* block if the entropy pool is not yet initialized. + */ int getrandom(void *buf, size_t len, int flags) { return syscall(SYS_getrandom, buf, len, flags); }
