| 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 | |
| 32 | #include "lttng-ust-abi.h" |
| 33 | |
| 34 | /* |
| 35 | * ustcomm error code. |
| 36 | */ |
| 37 | enum lttng_ust_error_code { |
| 38 | LTTNG_UST_OK = 0, /* Ok */ |
| 39 | LTTNG_UST_ERR = 1024, /* Unknown Error */ |
| 40 | LTTNG_UST_ERR_NOENT = 1025, /* No entry */ |
| 41 | LTTNG_UST_ERR_EXIST = 1026, /* Object exists */ |
| 42 | LTTNG_UST_ERR_INVAL = 1027, /* Invalid argument */ |
| 43 | LTTNG_UST_ERR_PERM = 1028, /* Permission denied */ |
| 44 | LTTNG_UST_ERR_NOSYS = 1029, /* Not implemented */ |
| 45 | |
| 46 | /* MUST be last element */ |
| 47 | LTTNG_UST_ERR_NR, /* Last element */ |
| 48 | }; |
| 49 | |
| 50 | /* |
| 51 | * Return a human-readable error message for an lttng-ust error code. |
| 52 | * code must be a positive value (or 0). |
| 53 | */ |
| 54 | extern const char *lttng_ust_strerror(int code); |
| 55 | |
| 56 | #endif /* _LTTNG_UST_ERROR_H */ |