rculfhash: number of logically removed nodes should not appear in API
[urcu.git] / urcu / arch / gcc.h
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 */
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