projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 1239a312 | 1 | /* |
| ab5be9fa | 2 | * Copyright (C) 2014 David Goulet <dgoulet@efficios.com> |
| 1239a312 | 3 | * |
| ab5be9fa | 4 | * SPDX-License-Identifier: LGPL-2.1-only |
| 1239a312 | 5 | * |
| 1239a312 DG |
6 | */ |
| 7 | ||
| 8 | #ifndef LTTNG_CONSTANT_H | |
| 9 | #define LTTNG_CONSTANT_H | |
| 10 | ||
| 11 | #ifndef LTTNG_DEPRECATED | |
| 28f23191 | 12 | #if defined(__GNUC__) && ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5) || __GNUC__ >= 5) |
| 1239a312 DG |
13 | #define LTTNG_DEPRECATED(msg) __attribute__((deprecated(msg))) |
| 14 | #else | |
| 15 | #define LTTNG_DEPRECATED(msg) __attribute__((deprecated)) | |
| 16 | #endif /* defined __GNUC__ */ | |
| 17 | #endif /* LTTNG_DEPRECATED */ | |
| 18 | ||
| 19 | #include <limits.h> | |
| 20 | /* | |
| 21 | * Necessary to include the fixed width type limits on glibc versions older | |
| 22 | * than 2.18 when building with a C++ compiler. | |
| 23 | */ | |
| 24 | #ifndef __STDC_LIMIT_MACROS | |
| 25 | #define __STDC_LIMIT_MACROS | |
| 26 | #include <stdint.h> | |
| 27 | #undef __STDC_LIMIT_MACROS | |
| 28 | #else /* #ifndef __STDC_LIMIT_MACROS */ | |
| 29 | #include <stdint.h> | |
| 30 | #endif /* #else #ifndef __STDC_LIMIT_MACROS */ | |
| 31 | #include <sys/types.h> | |
| 32 | ||
| 33 | /* | |
| 34 | * Event symbol length. Copied from LTTng kernel ABI. | |
| 35 | */ | |
| 28f23191 | 36 | #define LTTNG_SYMBOL_NAME_LEN 256 |
| fae9a062 JG |
37 | |
| 38 | /* | |
| 39 | * PROC(5) mentions that PID_MAX_LIMIT may not exceed 2^22 on 64-bit HW. | |
| 40 | * We prefer to use 32-bits for simplicity's sake. | |
| 41 | */ | |
| 28f23191 JG |
42 | #define LTTNG_MAX_PID INT32_MAX |
| 43 | #define LTTNG_MAX_PID_STR "2147483647" | |
| 1239a312 | 44 | |
| 28f23191 | 45 | #define LTTNG_NAME_MAX 255 |
| 36d2e35d | 46 | |
| b867041c JG |
47 | /* |
| 48 | * POSIX guarantees that a host name will not exceed 255 characters. | |
| 49 | * Moreover, RFC 1035 limits the length of a fully qualified domain name (FQDN) | |
| 50 | * to 255 characters. | |
| 51 | * | |
| 52 | * 256 is used to include a trailing NULL character. | |
| 53 | */ | |
| 28f23191 | 54 | #define LTTNG_HOST_NAME_MAX 256 |
| 9cf3eb20 | 55 | |
| 28f23191 | 56 | #define LTTNG_PATH_MAX 4096 |
| ba86d0a7 | 57 | |
| 1239a312 | 58 | #endif /* LTTNG_CONSTANT_H */ |