Split lttng.h into several files

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

diff --git a/include/lttng/lttng-error.h b/include/lttng/lttng-error.h
index 7631dbcc2aaf95204f878272c784daccc3a80627..f4f3a8344d79085d1e1f50a03637c60dfd98df52 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 */
@@ -101,9 +91,9 @@ enum lttng_error_code {
        LTTNG_ERR_UST_CONSUMER64_FAIL    = 68,  /* 64-bit UST consumer start failed */
        LTTNG_ERR_UST_CONSUMER32_FAIL    = 69,  /* 32-bit UST consumer start failed */
        LTTNG_ERR_UST_STREAM_FAIL        = 70,  /* UST create stream failed */
-       /* 71 */
-       /* 72 */
-       /* 73 */
+       LTTNG_ERR_SNAPSHOT_NODATA        = 71,  /* No data in snapshot. */
+       LTTNG_ERR_NO_CHANNEL             = 72,  /* No channel found in the session. */
+       LTTNG_ERR_SESSION_INVALID_CHAR   = 73,  /* Invalid characters found in session name. */
        LTTNG_ERR_UST_LIST_FAIL          = 74,  /* UST listing events failed */
        LTTNG_ERR_UST_EVENT_EXIST        = 75,  /* UST event exist */
        LTTNG_ERR_UST_EVENT_NOT_FOUND    = 76,  /* UST event not found */
@@ -115,11 +105,11 @@ enum lttng_error_code {
        LTTNG_ERR_KERN_EVENT_ENOSYS      = 82,  /* Kernel event type not supported */
        LTTNG_ERR_NEED_CHANNEL_NAME      = 83,  /* Non-default channel exists within session: channel name needs to be specified with '-c name' */
        LTTNG_ERR_NO_UST                 = 84,  /* LTTng-UST tracer is not supported. Please rebuild lttng-tools with lttng-ust support enabled. */
-       /* 85 */
-       /* 86 */
-       /* 87 */
-       /* 88 */
-       /* 89 */
+       LTTNG_ERR_SAVE_FILE_EXIST        = 85,  /* Session file already exists. */
+       LTTNG_ERR_SAVE_IO_FAIL           = 86,  /* IO error while writting session configuration */
+       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 */
@@ -140,11 +130,20 @@ enum lttng_error_code {
        LTTNG_ERR_FILTER_NOMEM           = 107, /* Lack of memory for filter bytecode */
        LTTNG_ERR_FILTER_EXIST           = 108, /* Filter already exist */
        LTTNG_ERR_NO_CONSUMER            = 109, /* No consumer exist for the session */
+       LTTNG_ERR_EXCLUSION_INVAL        = 110, /* Invalid event exclusion data */
+       LTTNG_ERR_EXCLUSION_NOMEM        = 111, /* Lack of memory while processing event exclusions */
 
        /* MUST be last element */
        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