diff options
| author | Mark Johnston <markj@FreeBSD.org> | 2025-12-22 19:12:34 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2025-12-29 14:49:24 +0000 |
| commit | daef625cf884dea33d50ad7a0e2da0879a442495 (patch) | |
| tree | 6720ae9e4bdd72d4c10e1d5bc47aef36adbc2142 | |
| parent | 85f499be90c15a3de02d1c62ce03b99fab52f925 (diff) | |
bhyve: Use a blocking socket in the helper process
The send_packet callback does not handle EAGAIN, and on the recv side we
already use poll() and MSG_DONTWAIT to implement a non-blocking loop.
PR: 291616
Tested by: novel
Fixes: 0e62ebd20172 ("bhyve: Move the slirp backend out into a separate process")
Differential Revision: https://reviews.freebsd.org/D54340
| -rw-r--r-- | usr.sbin/bhyve/slirp/slirp-helper.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/usr.sbin/bhyve/slirp/slirp-helper.c b/usr.sbin/bhyve/slirp/slirp-helper.c index 06f393aab724..9fb9784662fe 100644 --- a/usr.sbin/bhyve/slirp/slirp-helper.c +++ b/usr.sbin/bhyve/slirp/slirp-helper.c @@ -503,6 +503,8 @@ main(int argc, char **argv) memset(&priv, 0, sizeof(priv)); priv.sock = sd; + if (ioctl(priv.sock, FIONBIO, &(int){0}) == -1) + err(1, "ioctl(FIONBIO)"); if (pipe2(priv.wakeup, O_CLOEXEC | O_NONBLOCK) != 0) err(1, "pipe2"); |