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When getting a socket POLLERR event, use getsockopt(SO_ERROR)

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to create a better error message about the reason for the socket failing.
This commit is contained in:
Ronnie Sahlberg
2010-12-31 06:01:41 +11:00
parent 6981b79516
commit 2b30e3a7fe
1 changed files with 15 additions and 2 deletions
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lib/socket.c
+15 -2
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@@ -302,8 +302,21 @@ int
iscsi_service(struct iscsi_context *iscsi, int revents) iscsi_service(struct iscsi_context *iscsi, int revents)
{ {
if (revents & POLLERR) { if (revents & POLLERR) {
iscsi_set_error(iscsi, "iscsi_service: POLLERR, " int err = 0;
"socket error."); socklen_t err_size = sizeof(err);
if (getsockopt(iscsi->fd, SOL_SOCKET, SO_ERROR,
&err, &err_size) != 0 || err != 0) {
if (err == 0) {
err = errno;
}
iscsi_set_error(iscsi, "iscsi_service: socket error "
"%s(%d).",
strerror(err), err);
} else {
iscsi_set_error(iscsi, "iscsi_service: POLLERR, "
"Unknown socket error.");
}
iscsi->socket_status_cb(iscsi, SCSI_STATUS_ERROR, NULL, iscsi->socket_status_cb(iscsi, SCSI_STATUS_ERROR, NULL,
iscsi->connect_data); iscsi->connect_data);
return -1; return -1;