Fix: Use unix socket peercred for pid, uid, gid credentials

[lttng-ust.git] / include / lttng / ust-error.h

diff --git a/include/lttng/ust-error.h b/include/lttng/ust-error.h
index 05cc3bee65e2dd61a87c3907bda010e444c85680..8681cb04f209dbc7b36d8cccf388b17b13c68f98 100644 (file)
--- a/include/lttng/ust-error.h
+++ b/include/lttng/ust-error.h
@@ -30,6 +30,10 @@
 #include <unistd.h>
 #include <lttng/ust-abi.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*
  * ustcomm error code.
  */
@@ -46,6 +50,8 @@ enum lttng_ust_error_code {
        LTTNG_UST_ERR_INVAL_MAGIC = 1031,       /* Invalid magic number */
        LTTNG_UST_ERR_INVAL_SOCKET_TYPE = 1032, /* Invalid socket type */
        LTTNG_UST_ERR_UNSUP_MAJOR = 1033,       /* Unsupported major version */
+       LTTNG_UST_ERR_PEERCRED = 1034,          /* Cannot get unix socket peer credentials */
+       LTTNG_UST_ERR_PEERCRED_PID = 1035,      /* Peer credentials PID is invalid. Socket appears to belong to a distinct, non-nested pid namespace. */
 
        /* MUST be last element */
        LTTNG_UST_ERR_NR,                       /* Last element */
@@ -57,4 +63,8 @@ enum lttng_ust_error_code {
  */
 extern const char *lttng_ust_strerror(int code);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _LTTNG_UST_ERROR_H */