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libcfa/src/concurrency/kernel/private.hfa
ra757ba1 ra8667ab 10 10 // Created On : Mon Feb 13 12:27:26 2017 11 11 // Last Modified By : Peter A. Buhr 12 // Last Modified On : Wed Aug 12 08:21:33 202013 // Update Count : 912 // Last Modified On : Thu Mar 2 16:04:46 2023 13 // Update Count : 11 14 14 // 15 15 … … 29 29 30 30 extern "C" { 31 #if defined(CFA_HAVE_LINUX_LIBRSEQ)32 #include <rseq/rseq.h>33 #elif defined(CFA_HAVE_LINUX_RSEQ_H)34 #include <linux/rseq.h>35 #else36 #ifndef _GNU_SOURCE37 #error kernel/private requires gnu_source38 #endif39 31 #include <sched.h> 40 #endif41 32 } 42 33 … … 110 101 // Hardware 111 102 112 #if defined(CFA_HAVE_LINUX_LIBRSEQ)113 // No data needed114 #elif defined(CFA_HAVE_LINUX_RSEQ_H)115 extern "Cforall" {116 extern __attribute__((aligned(64))) __thread volatile struct rseq __cfaabi_rseq;117 }118 #else119 // No data needed120 #endif121 122 103 static inline int __kernel_getcpu() { 123 104 /* paranoid */ verify( ! __preemption_enabled() ); 124 #if defined(CFA_HAVE_LINUX_LIBRSEQ)125 return rseq_current_cpu();126 #elif defined(CFA_HAVE_LINUX_RSEQ_H)127 int r = __cfaabi_rseq.cpu_id;128 /* paranoid */ verify( r >= 0 );129 return r;130 #else131 105 return sched_getcpu(); 132 #endif133 106 } 134 107
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