Support earlier glibc sched_setaffinity

[urcu.git] / tests / test_urcu.c

diff --git a/tests/test_urcu.c b/tests/test_urcu.c
index 3b838c147e2b8ca3ddf866c6218937ac5c8ba2bb..0cde0b3c992aa039500546934cd8c2be63677720 100644 (file)
--- a/tests/test_urcu.c
+++ b/tests/test_urcu.c
@@ -21,6 +21,7 @@
  */
 
 #define _GNU_SOURCE
+#include "../config.h"
 #include <stdio.h>
 #include <pthread.h>
 #include <stdlib.h>
@@ -32,6 +33,7 @@
 #include <assert.h>
 #include <sys/syscall.h>
 #include <sched.h>
+#include <errno.h>
 
 #include <urcu/arch.h>
 
@@ -95,6 +97,12 @@ static int use_affinity = 0;
 
 pthread_mutex_t affinity_mutex = PTHREAD_MUTEX_INITIALIZER;
 
+#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 set_affinity(void)
 {
        cpu_set_t mask;
@@ -104,6 +112,7 @@ static void set_affinity(void)
        if (!use_affinity)
                return;
 
+#if HAVE_SCHED_SETAFFINITY
        ret = pthread_mutex_lock(&affinity_mutex);
        if (ret) {
                perror("Error in pthread mutex lock");
@@ -115,9 +124,15 @@ static void set_affinity(void)
                perror("Error in pthread mutex unlock");
                exit(-1);
        }
+
        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 */
 }
 
 /*
@@ -256,7 +271,8 @@ void *thr_writer(void *_count)
        for (;;) {
                new = test_array_alloc();
                new->a = 8;
-               old = rcu_publish_content(&test_rcu_pointer, new);
+               old = rcu_xchg_pointer(&test_rcu_pointer, new);
+               synchronize_rcu();
                if (old)
                        old->a = 0;
                test_array_free(old);