Changes in libcfa/src/concurrency/kernel/private.hfa [a8667ab:a757ba1]

File:

• libcfa/src/concurrency/kernel/private.hfa (modified) (3 diffs)

libcfa/src/concurrency/kernel/private.hfa

@@ -10 +10 @@
 // Created On       : Mon Feb 13 12:27:26 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Mar  2 16:04:46 2023
-// Update Count     : 11
+// Last Modified On : Wed Aug 12 08:21:33 2020
+// Update Count     : 9
 //
 
@@ -29 +29 @@
 
 extern "C" {
+#if   defined(CFA_HAVE_LINUX_LIBRSEQ)
+        #include <rseq/rseq.h>
+#elif defined(CFA_HAVE_LINUX_RSEQ_H)
+        #include <linux/rseq.h>
+#else
+        #ifndef _GNU_SOURCE
+        #error kernel/private requires gnu_source
+        #endif
         #include <sched.h>
+#endif
 }
 
@@ -101 +110 @@
 // Hardware
 
+#if   defined(CFA_HAVE_LINUX_LIBRSEQ)
+        // No data needed
+#elif defined(CFA_HAVE_LINUX_RSEQ_H)
+        extern "Cforall" {
+                extern __attribute__((aligned(64))) __thread volatile struct rseq __cfaabi_rseq;
+        }
+#else
+        // No data needed
+#endif
+
 static inline int __kernel_getcpu() {
         /* paranoid */ verify( ! __preemption_enabled() );
+#if   defined(CFA_HAVE_LINUX_LIBRSEQ)
+        return rseq_current_cpu();
+#elif defined(CFA_HAVE_LINUX_RSEQ_H)
+        int r = __cfaabi_rseq.cpu_id;
+        /* paranoid */ verify( r >= 0 );
+        return r;
+#else
         return sched_getcpu();
+#endif
 }