| 1 | // SPDX-FileCopyrightText: 2011 EfficiOS Inc. |
| 2 | // SPDX-FileCopyrightText: 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 3 | // |
| 4 | // SPDX-License-Identifier: LGPL-2.1-only |
| 5 | |
| 6 | #ifndef _LTTNG_UST_ERROR_H |
| 7 | #define _LTTNG_UST_ERROR_H |
| 8 | |
| 9 | #include <limits.h> |
| 10 | #include <unistd.h> |
| 11 | #include <lttng/ust-abi.h> |
| 12 | |
| 13 | #ifdef __cplusplus |
| 14 | extern "C" { |
| 15 | #endif |
| 16 | |
| 17 | /* |
| 18 | * ustcomm error code. |
| 19 | */ |
| 20 | enum lttng_ust_error_code { |
| 21 | LTTNG_UST_OK = 0, /* Ok */ |
| 22 | LTTNG_UST_ERR = 1024, /* Unknown Error */ |
| 23 | LTTNG_UST_ERR_NOENT = 1025, /* No entry */ |
| 24 | LTTNG_UST_ERR_EXIST = 1026, /* Object exists */ |
| 25 | LTTNG_UST_ERR_INVAL = 1027, /* Invalid argument */ |
| 26 | LTTNG_UST_ERR_PERM = 1028, /* Permission denied */ |
| 27 | LTTNG_UST_ERR_NOSYS = 1029, /* Not implemented */ |
| 28 | LTTNG_UST_ERR_EXITING = 1030, /* Process is exiting */ |
| 29 | |
| 30 | LTTNG_UST_ERR_INVAL_MAGIC = 1031, /* Invalid magic number */ |
| 31 | LTTNG_UST_ERR_INVAL_SOCKET_TYPE = 1032, /* Invalid socket type */ |
| 32 | LTTNG_UST_ERR_UNSUP_MAJOR = 1033, /* Unsupported major version */ |
| 33 | LTTNG_UST_ERR_PEERCRED = 1034, /* Cannot get unix socket peer credentials */ |
| 34 | LTTNG_UST_ERR_PEERCRED_PID = 1035, /* Peer credentials PID is invalid. Socket appears to belong to a distinct, non-nested pid namespace. */ |
| 35 | |
| 36 | /* MUST be last element */ |
| 37 | LTTNG_UST_ERR_NR, /* Last element */ |
| 38 | }; |
| 39 | |
| 40 | /* |
| 41 | * lttng_ust_strerror |
| 42 | * @code: must be a negative value of enum lttng_ust_error_code (or 0). |
| 43 | * |
| 44 | * Returns a ptr to a string representing a human readable error code from the |
| 45 | * ustcomm_return_code enum. |
| 46 | */ |
| 47 | const char *lttng_ust_strerror(int code); |
| 48 | |
| 49 | #ifdef __cplusplus |
| 50 | } |
| 51 | #endif |
| 52 | |
| 53 | #endif /* _LTTNG_UST_ERROR_H */ |