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| author | Corinna Vinschen <corinna@vinschen.de> | 2016-03-20 22:29:03 +0100 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2016-03-20 22:29:03 +0100 |
| commit | 2519f0ef0c24e4a0fec98b58e6f3481d5dd57acd (patch) | |
| tree | 846b50429adea0b7d6eb0ff5b8ad7cd611990406 | |
| parent | 58988463cc16b95ca111b177fb89d666db33e546 (diff) | |
| download | cygnal-2519f0ef0c24e4a0fec98b58e6f3481d5dd57acd.tar.gz cygnal-2519f0ef0c24e4a0fec98b58e6f3481d5dd57acd.tar.bz2 cygnal-2519f0ef0c24e4a0fec98b58e6f3481d5dd57acd.zip | |
srandom: Replace accessing /dev/random by equivalent getentropy call
/dev/random calls getentropy. So there's no good reason to go out of
our way to open /dev/random just to call getentropy anyway.
* random.cc (srandomdev): Drop opening /dev/random in favor of
calling getentropy.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
| -rw-r--r-- | winsup/cygwin/random.cc | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/winsup/cygwin/random.cc b/winsup/cygwin/random.cc index fe1ac08fd..8cccadeef 100644 --- a/winsup/cygwin/random.cc +++ b/winsup/cygwin/random.cc @@ -299,7 +299,6 @@ dummy (unsigned volatile long *x) void srandomdev() { - int fd, done; size_t len; if (rand_type == TYPE_0) @@ -307,15 +306,7 @@ srandomdev() else len = rand_deg * sizeof state[0]; - done = 0; - fd = open("/dev/random", O_RDONLY, 0); - if (fd >= 0) { - if (read(fd, (void *) state, len) == (ssize_t) len) - done = 1; - close(fd); - } - - if (!done) { + if (getentropy ((void *) state, len)) { struct timeval tv; unsigned long junk; |