1 /* 2 * Copyright (c) 2010 Kip Macy All rights reserved. 3 * Copyright (C) 2017 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 PCPU_GET 35 #undef PCPU_ADD 36 #undef PCPU_INC 37 #undef PCPU_PTR 38 #undef PCPU_SET 39 40 extern __thread struct thread *pcurthread; 41 extern struct pcpu *pcpup; 42 43 #define PCPU_GET(member) (pcpup->pc_ ## member) 44 #define PCPU_ADD(member, val) (pcpup->pc_ ## member += (val)) 45 #define PCPU_INC(member) PCPU_ADD(member, 1) 46 #define PCPU_PTR(member) (&pcpup->pc_ ## member) 47 #define PCPU_SET(member, val) (pcpup->pc_ ## member = (val)) 48 49 static __inline struct thread * 50 __curthread_ff(void) 51 { 52 return (pcurthread); 53 } 54 55 56 #define __curthread __curthread_ff 57 58 #ifndef curthread 59 #define curthread __curthread_ff() 60 #endif 61 #endif /* _FSTACK_MACHINE_PCPU_H_ */ 62