| 1 | #ifndef _URCU_ARCH_GCC_H |
| 2 | #define _URCU_ARCH_GCC_H |
| 3 | |
| 4 | /* |
| 5 | * arch_gcc.h: trivial definitions for architectures using gcc __sync_ |
| 6 | * |
| 7 | * Copyright (c) 2010 Paul E. McKenney, IBM Corporation. |
| 8 | * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 9 | * |
| 10 | * This library is free software; you can redistribute it and/or |
| 11 | * modify it under the terms of the GNU Lesser General Public |
| 12 | * License as published by the Free Software Foundation; either |
| 13 | * version 2.1 of the License, or (at your option) any later version. |
| 14 | * |
| 15 | * This library is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 18 | * Lesser General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU Lesser General Public |
| 21 | * License along with this library; if not, write to the Free Software |
| 22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 23 | */ |
| 24 | |
| 25 | #include <urcu/compiler.h> |
| 26 | #include <urcu/config.h> |
| 27 | |
| 28 | #ifdef __cplusplus |
| 29 | extern "C" { |
| 30 | #endif |
| 31 | |
| 32 | #include <stdlib.h> |
| 33 | #include <sys/time.h> |
| 34 | |
| 35 | typedef unsigned long long cycles_t; |
| 36 | |
| 37 | static inline cycles_t caa_get_cycles (void) |
| 38 | { |
| 39 | cycles_t thetime; |
| 40 | struct timeval tv; |
| 41 | |
| 42 | if (gettimeofday(&tv, NULL) != 0) |
| 43 | return 0; |
| 44 | thetime = ((cycles_t)tv.tv_sec) * 1000000ULL + ((cycles_t)tv.tv_usec); |
| 45 | return (cycles_t)thetime; |
| 46 | } |
| 47 | |
| 48 | #ifdef __cplusplus |
| 49 | } |
| 50 | #endif |
| 51 | |
| 52 | #include <urcu/arch_generic.h> |
| 53 | |
| 54 | #endif /* _URCU_ARCH_GCC_H */ |