projects / lttng-ust.git / blame
| Commit | Line | Data |
|---|---|---|
| 7e50e956 MD |
1 | #ifndef _LTTNG_UST_UUID_H |
| 2 | #define _LTTNG_UST_UUID_H | |
| 3 | ||
| 4 | /* | |
| 5 | * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| 6 | * | |
| 7 | * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED | |
| 8 | * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. | |
| 9 | * | |
| 10 | * Permission is hereby granted to use or copy this program | |
| 11 | * for any purpose, provided the above notices are retained on all copies. | |
| 12 | * Permission to modify the code and to distribute modified code is granted, | |
| 13 | * provided the above notices are retained, and a notice that the code was | |
| 14 | * modified is included with the above copyright notice. | |
| 15 | */ | |
| 16 | ||
| 17 | #include <config.h> | |
| 18 | #include <lttng/ust-events.h> /* For LTTNG_UST_UUID_LEN */ | |
| 19 | /* | |
| 20 | * Includes final \0. | |
| 21 | */ | |
| 22 | #define LTTNG_UST_UUID_STR_LEN 37 | |
| 23 | ||
| 24 | #include <uuid/uuid.h> | |
| 25 | ||
| 26 | #ifdef LTTNG_UST_HAVE_LIBUUID | |
| 27 | static inline | |
| 28 | int lttng_ust_uuid_generate(unsigned char *uuid_out) | |
| 29 | { | |
| 30 | uuid_generate(uuid_out); | |
| 31 | return 0; | |
| 32 | } | |
| 33 | ||
| 34 | #elif defined(LTTNG_UST_HAVE_LIBC_UUID) | |
| 35 | #include <uuid.h> | |
| 36 | #include <stdint.h> | |
| 37 | ||
| 38 | static inline | |
| 39 | int lttng_ust_uuid_generate(unsigned char *uuid_out) | |
| 40 | { | |
| 41 | uint32_t status; | |
| 42 | ||
| 43 | uuid_create(uuid_out, &status); | |
| 44 | if (status == uuid_s_ok) | |
| 45 | return 0; | |
| 46 | else | |
| 47 | return -1; | |
| 48 | } | |
| 49 | ||
| 50 | #else | |
| 51 | #error "LTTng-UST needs to have a UUID generator configured." | |
| 52 | #endif | |
| 53 | ||
| 54 | #endif /* _LTTNG_UST_UUID_H */ |