diff options
Diffstat (limited to 'nscd/nscd.c')
| -rw-r--r-- | nscd/nscd.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/nscd/nscd.c b/nscd/nscd.c index 16f55cfdeb..6d1e50a837 100644 --- a/nscd/nscd.c +++ b/nscd/nscd.c @@ -332,9 +332,6 @@ parse_opt (int key, char *arg, struct argp_state *state) exit (EXIT_FAILURE); request_header req; - ssize_t nbytes; - struct iovec iov[2]; - if (strcmp (arg, "passwd") == 0) req.key_len = sizeof "passwd"; else if (strcmp (arg, "group") == 0) @@ -347,17 +344,38 @@ parse_opt (int key, char *arg, struct argp_state *state) req.version = NSCD_VERSION; req.type = INVALIDATE; + struct iovec iov[2]; iov[0].iov_base = &req; iov[0].iov_len = sizeof (req); iov[1].iov_base = arg; iov[1].iov_len = req.key_len; - nbytes = TEMP_FAILURE_RETRY (writev (sock, iov, 2)); + ssize_t nbytes = TEMP_FAILURE_RETRY (writev (sock, iov, 2)); + + if (nbytes != iov[0].iov_len + iov[1].iov_len) + { + int err = errno; + close (sock); + error (EXIT_FAILURE, err, _("write incomplete")); + } + + /* Wait for ack. Older nscd just closed the socket when + prune_cache finished, silently ignore that. */ + int32_t resp = 0; + nbytes = TEMP_FAILURE_RETRY (read (sock, &resp, sizeof (resp))); + if (nbytes != 0 && nbytes != sizeof (resp)) + { + int err = errno; + close (sock); + error (EXIT_FAILURE, err, _("cannot read invalidate ACK")); + } close (sock); - exit (nbytes != iov[0].iov_len + iov[1].iov_len - ? EXIT_FAILURE : EXIT_SUCCESS); + if (resp != 0) + error (EXIT_FAILURE, resp, _("invalidation failed")); + + exit (0); } case 't': |