Support earlier glibc sched_setaffinity

[urcu.git] / tests / api_gcc.h

diff --git a/tests/api_gcc.h b/tests/api_gcc.h
index 1c8b12b252670b2cfd2f498f7bcb96a15ed4b9c1..17487d5c701e81b66349b798b7f7fade5b1d8a96 100644 (file)
--- a/tests/api_gcc.h
+++ b/tests/api_gcc.h
@@ -1,5 +1,9 @@
+
+#ifndef _INCLUDE_API_H
 #define _INCLUDE_API_H
 
+#include "../config.h"
+
 /*
  * common.h: Common Linux kernel-isms.
  *
@@ -69,7 +73,7 @@
  * Machine parameters.
  */
 
-#define CACHE_LINE_SIZE 64
+/* #define CACHE_LINE_SIZE 64 */
 #define ____cacheline_internodealigned_in_smp \
        __attribute__((__aligned__(1 << 6)))
 
@@ -299,7 +303,7 @@ cmpxchg(volatile long *ptr, long oldval, long newval)
  */
 
 #ifndef CACHE_LINE_SIZE
-#define CACHE_LINE_SIZE 128
+/* #define CACHE_LINE_SIZE 128 */
 #endif /* #ifndef CACHE_LINE_SIZE */
 
 /*
@@ -459,13 +463,25 @@ static void wait_all_threads(void)
        }
 }
 
+#ifndef HAVE_CPU_SET_T
+typedef unsigned long cpu_set_t;
+# define CPU_ZERO(cpuset) do { *(cpuset) = 0; } while(0)
+# define CPU_SET(cpu, cpuset) do { *(cpuset) |= (1UL << (cpu)); } while(0)
+#endif
+
 static void run_on(int cpu)
 {
+#if HAVE_SCHED_SETAFFINITY
        cpu_set_t mask;
 
        CPU_ZERO(&mask);
        CPU_SET(cpu, &mask);
+#if SCHED_SETAFFINITY_ARGS == 2
+       sched_setaffinity(0, &mask);
+#else
        sched_setaffinity(0, sizeof(mask), &mask);
+#endif
+#endif /* HAVE_SCHED_SETAFFINITY */
 }
 
 /*
@@ -1330,3 +1346,5 @@ static inline void hlist_move_list(struct hlist_head *old,
             pos = n)
 
 #endif
+
+#endif