Mi: mi backend + mi for command version

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

diff --git a/include/lttng/lttng-error.h b/include/lttng/lttng-error.h
index 06baa040f63756f2aba65ea78681253b352b6fa4..6083959131c68d3ba3324861d6eef2ad1bda3b02 100644 (file)
--- a/include/lttng/lttng-error.h
+++ b/include/lttng/lttng-error.h
@@ -29,16 +29,6 @@
 extern "C" {
 #endif
 
-#ifndef LTTNG_DEPRECATED
-#if defined (__GNUC__) \
-       && ((__GNUC_MAJOR__ == 4) && (__GNUC_MINOR__ >= 5)  \
-                       || __GNUC_MAJOR__ >= 5)
-#define LTTNG_DEPRECATED(msg) __attribute__((deprecated(msg)))
-#else
-#define LTTNG_DEPRECATED(msg) __attribute__((deprecated))
-#endif /* defined __GNUC__ */
-#endif /* LTTNG_DEPRECATED */
-
 enum lttng_error_code {
        LTTNG_OK                         = 10,  /* Ok */
        LTTNG_ERR_UNK                    = 11,  /* Unknown Error */
@@ -120,9 +110,10 @@ enum lttng_error_code {
        LTTNG_ERR_LOAD_INVALID_CONFIG    = 87,  /* Invalid session configuration */
        LTTNG_ERR_LOAD_IO_FAIL           = 88,  /* IO error while reading a session configuration */
        LTTNG_ERR_LOAD_SESSION_NOENT     = 89,  /* Session file not found */
-       /* 90 */
-       /* 91 */
-       /* 92 */
+       LTTNG_ERR_MAX_SIZE_INVALID       = 90,  /* Snapshot max size is invalid. */
+       LTTNG_ERR_MI_OUTPUT_TYPE         = 91, /* Invalid MI output format */
+       LTTNG_ERR_MI_IO_FAIL             = 92, /* IO error while writing machine interface output */
+       LTTNG_ERR_MI_NOT_IMPLEMENTED     = 93, /* Mi feature not implemented */
        /* 93 */
        /* 94 */
        /* 95 */
@@ -147,6 +138,13 @@ enum lttng_error_code {
        LTTNG_ERR_NR,                           /* Last element */
 };
 
+/*
+ * Return a human-readable error message for a LTTng error code.
+ *
+ * Parameter MUST be a negative value or else you'll get a generic message.
+ */
+extern const char *lttng_strerror(int code);
+
 #ifdef __cplusplus
 }
 #endif