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Diffstat (limited to 'src/libsystemd-network/dhcp-internal.h')
-rw-r--r--src/libsystemd-network/dhcp-internal.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/libsystemd-network/dhcp-internal.h b/src/libsystemd-network/dhcp-internal.h
index 03cc8243a9..6f6f1218d9 100644
--- a/src/libsystemd-network/dhcp-internal.h
+++ b/src/libsystemd-network/dhcp-internal.h
@@ -27,6 +27,7 @@
#include "socket-util.h"
+#include "sd-dhcp-client.h"
#include "dhcp-protocol.h"
int dhcp_network_bind_raw_socket(int index, union sockaddr_union *link, uint32_t xid);
@@ -56,4 +57,13 @@ void dhcp_packet_append_ip_headers(DHCPPacket *packet, be32_t source_addr,
int dhcp_packet_verify_headers(DHCPPacket *packet, size_t len, bool checksum);
+DEFINE_TRIVIAL_CLEANUP_FUNC(sd_dhcp_client*, sd_dhcp_client_unref);
+#define _cleanup_dhcp_client_unref_ _cleanup_(sd_dhcp_client_unrefp)
+
+/* If we are invoking callbacks of a dhcp-client, ensure unreffing the
+ * client from the callback doesn't destroy the object we are working
+ * on */
+#define DHCP_CLIENT_DONT_DESTROY(client) \
+ _cleanup_dhcp_client_unref_ _unused_ sd_dhcp_client *_dont_destroy_##client = sd_dhcp_client_ref(client)
+
#define log_dhcp_client(client, fmt, ...) log_meta(LOG_DEBUG, __FILE__, __LINE__, __func__, "DHCP CLIENT (0x%x): " fmt, client->xid, ##__VA_ARGS__)