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1 | #ifndef _LTTNG_UST_ERROR_H |
2 | #define _LTTNG_UST_ERROR_H | |
3 | ||
4 | /* | |
5 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
6 | * Julien Desfossez <julien.desfossez@polymtl.ca> | |
7 | * Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
8 | * | |
9 | * This library is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU Lesser General Public | |
11 | * License as published by the Free Software Foundation; only | |
12 | * version 2.1 of the License. | |
13 | * | |
14 | * This library is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * Lesser General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU Lesser General Public | |
20 | * License along with this library; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
22 | */ | |
23 | ||
24 | /* | |
25 | * This header is meant for liblttng and libust internal use ONLY. | |
26 | * These declarations should NOT be considered stable API. | |
27 | */ | |
28 | ||
29 | #include <limits.h> | |
30 | #include <unistd.h> | |
31 | #include <lttng/ust-abi.h> | |
32 | ||
33 | /* | |
34 | * ustcomm error code. | |
35 | */ | |
36 | enum lttng_ust_error_code { | |
37 | LTTNG_UST_OK = 0, /* Ok */ | |
38 | LTTNG_UST_ERR = 1024, /* Unknown Error */ | |
39 | LTTNG_UST_ERR_NOENT, /* No entry */ | |
40 | ||
41 | /* MUST be last element */ | |
42 | LTTNG_UST_ERR_NR, /* Last element */ | |
43 | }; | |
44 | ||
45 | /* | |
46 | * Return a human-readable error message for an lttng-ust error code. | |
47 | * code must be a positive value (or 0). | |
48 | */ | |
49 | extern const char *lttng_ust_strerror(int code); | |
50 | ||
51 | #endif /* _LTTNG_UST_ERROR_H */ |