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Don't abort in |init_once| if |fcntl| returns ENOSYS

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Native Client doesn't support fcntl natively and its default
implemention just returns ENOSYS.

Change-Id: Id8615e2f6f0a75a1140f8efd75afde471ccdf466
Reviewed-on: https://boringssl-review.googlesource.com/6721
Reviewed-by: Adam Langley <agl@google.com>
This commit is contained in:
Sam Clegg 2015-12-14 15:54:19 -08:00 committed by Adam Langley
parent afd565ff9c
commit dca63cfa75
1 changed files with 9 additions and 5 deletions
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14
crypto/rand/urandom.c
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@ -83,11 +83,15 @@ static void init_once(void) {
int flags = fcntl(fd, F_GETFD);
if (flags == -1) {
abort();
}
flags |= FD_CLOEXEC;
if (fcntl(fd, F_SETFD, flags) == -1) {
abort();
/* Native Client doesn't implement |fcntl|. */
if (errno != ENOSYS) {
abort();
}
} else {
flags |= FD_CLOEXEC;
if (fcntl(fd, F_SETFD, flags) == -1) {
abort();
}
}
urandom_fd = fd;
}