projects / lttng-ust.git / blame
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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 */ |