The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame^] | 1 | /** |
| 2 | * @file opd_cookie.h |
| 3 | * cookie -> name cache |
| 4 | * |
| 5 | * @remark Copyright 2002, 2005 OProfile authors |
| 6 | * @remark Read the file COPYING |
| 7 | * |
| 8 | * @author John Levon |
| 9 | */ |
| 10 | |
| 11 | #ifndef OPD_COOKIE_H |
| 12 | #define OPD_COOKIE_H |
| 13 | |
| 14 | typedef unsigned long long cookie_t; |
| 15 | |
| 16 | #define INVALID_COOKIE ~0LLU |
| 17 | #define NO_COOKIE 0LLU |
| 18 | |
| 19 | /** |
| 20 | * Shift value to remove trailing zero on a dcookie value, 7 is sufficient |
| 21 | * for most architecture |
| 22 | */ |
| 23 | #define DCOOKIE_SHIFT 7 |
| 24 | |
| 25 | /** |
| 26 | * Return the name of the given dcookie. May return |
| 27 | * NULL on failure. |
| 28 | */ |
| 29 | char const * find_cookie(cookie_t cookie); |
| 30 | |
| 31 | /** return true if this cookie should be ignored */ |
| 32 | int is_cookie_ignored(cookie_t cookie); |
| 33 | |
| 34 | /** give a textual description of the cookie */ |
| 35 | char const * verbose_cookie(cookie_t cookie); |
| 36 | |
| 37 | void cookie_init(void); |
| 38 | |
| 39 | #endif /* OPD_COOKIE_H */ |