| /** |
| * @file opd_cookie.h |
| * cookie -> name cache |
| * |
| * @remark Copyright 2002, 2005 OProfile authors |
| * @remark Read the file COPYING |
| * |
| * @author John Levon |
| */ |
| |
| #ifndef OPD_COOKIE_H |
| #define OPD_COOKIE_H |
| |
| typedef unsigned long long cookie_t; |
| |
| #define INVALID_COOKIE ~0LLU |
| #define NO_COOKIE 0LLU |
| |
| /** |
| * Shift value to remove trailing zero on a dcookie value, 7 is sufficient |
| * for most architecture |
| */ |
| #define DCOOKIE_SHIFT 7 |
| |
| /** |
| * Return the name of the given dcookie. May return |
| * NULL on failure. |
| */ |
| char const * find_cookie(cookie_t cookie); |
| |
| /** return true if this cookie should be ignored */ |
| int is_cookie_ignored(cookie_t cookie); |
| |
| /** give a textual description of the cookie */ |
| char const * verbose_cookie(cookie_t cookie); |
| |
| void cookie_init(void); |
| |
| #endif /* OPD_COOKIE_H */ |
