Add close unix socket function to libcomm API

[lttng-tools.git] / liblttsessiondcomm / liblttsessiondcomm.c

diff --git a/liblttsessiondcomm/liblttsessiondcomm.c b/liblttsessiondcomm/liblttsessiondcomm.c
index adae8410401ba41c19ef4176e8b6aea45cc8a443..8413f6b08eb6c0aa863e5bf2028eae0281419421 100644 (file)
--- a/liblttsessiondcomm/liblttsessiondcomm.c
+++ b/liblttsessiondcomm/liblttsessiondcomm.c
@@ -40,6 +40,7 @@ static const char *lttcomm_readable_code[] = {
        [ LTTCOMM_ERR_INDEX(LTTCOMM_LIST_FAIL) ] = "Unable to list traceable apps",
        [ LTTCOMM_ERR_INDEX(LTTCOMM_NO_APPS) ] = "No traceable apps found",
        [ LTTCOMM_ERR_INDEX(LTTCOMM_NO_SESS) ] = "No session found",
+       [ LTTCOMM_ERR_INDEX(LTTCOMM_FATAL) ] = "Fatal error of the session daemon",
 };
 
 /*
@@ -225,3 +226,21 @@ ssize_t lttcomm_send_unix_sock(int sock, void *buf, size_t len)
 
        return ret;
 }
+
+/*
+ *  lttcomm_close_unix_sock
+ *
+ *  Shutdown cleanly a unix socket.
+ */
+int lttcomm_close_unix_sock(int sock)
+{
+       int ret;
+
+       /* Shutdown receptions and transmissions */
+       ret = shutdown(sock, SHUT_RDWR);
+       if (ret < 0) {
+               perror("shutdown");
+       }
+
+       return ret;
+}