1 /*
2 * Copyright (c) 2010 Kip Macy All rights reserved.
3 * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice, this
10 * list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 */
27
28 #ifndef _FSTACK_MACHINE_PCPU_H_
29 #define _FSTACK_MACHINE_PCPU_H_
30
31 #include_next <machine/pcpu.h>
32
33 #undef __curthread
34 #undef get_pcpu
35 #undef PCPU_GET
36 #undef PCPU_ADD
37 #undef PCPU_INC
38 #undef PCPU_PTR
39 #undef PCPU_SET
40
41 extern __thread struct thread *pcurthread;
42 extern struct pcpu *pcpup;
43
44 #define get_pcpu() (pcpup->pc_ ## prvspace)
45
46 #define PCPU_GET(member) (pcpup->pc_ ## member)
47 #define PCPU_ADD(member, val) (pcpup->pc_ ## member += (val))
48 #define PCPU_INC(member) PCPU_ADD(member, 1)
49 #define PCPU_PTR(member) (&pcpup->pc_ ## member)
50 #define PCPU_SET(member, val) (pcpup->pc_ ## member = (val))
51
52 static __inline struct thread *
__curthread_ff(void)53 __curthread_ff(void)
54 {
55 return (pcurthread);
56 }
57
58 #ifndef __curthread
59 #define __curthread __curthread_ff
60 #endif
61
62 #ifndef curthread
63 #define curthread __curthread_ff()
64 #endif
65
66 #endif /* _FSTACK_MACHINE_PCPU_H_ */
67