Support earlier glibc sched_setaffinity
[urcu.git] / tests / test_urcu_defer.c
index 1c6f742b13aa841b47f203c39fa633ecf3f6db61..10cd250d2c9a3487f02c58f0e5135201ee3dbeda 100644 (file)
@@ -21,6 +21,7 @@
  */
 
 #define _GNU_SOURCE
+#include "../config.h"
 #include <stdio.h>
 #include <pthread.h>
 #include <stdlib.h>
 #include <assert.h>
 #include <sys/syscall.h>
 #include <sched.h>
+#include <errno.h>
 
 #include <urcu/arch.h>
 
-/* Make this big enough to include the POWER5+ L3 cacheline size of 256B */
-#define CACHE_LINE_SIZE 4096
-
 /* hardcoded number of CPUs */
 #define NR_CPUS 16384
 
@@ -99,6 +98,12 @@ 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;
@@ -108,6 +113,7 @@ 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");
@@ -119,9 +125,15 @@ 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 */
 }
 
 /*
@@ -238,14 +250,14 @@ void *thr_writer(void *data)
                new = malloc(sizeof(*new));
                new->a = 8;
                old = rcu_xchg_pointer(&test_rcu_pointer, new);
-               call_rcu(free, old);
-               call_rcu(test_cb1, old);
-               call_rcu(test_cb1, (void *)-2L);
-               call_rcu(test_cb1, (void *)-2L);
-               call_rcu(test_cb1, old);
-               call_rcu(test_cb2, (void *)-2L);
-               call_rcu(test_cb2, (void *)-4L);
-               call_rcu(test_cb2, (void *)-2L);
+               defer_rcu(free, old);
+               defer_rcu(test_cb1, old);
+               defer_rcu(test_cb1, (void *)-2L);
+               defer_rcu(test_cb1, (void *)-2L);
+               defer_rcu(test_cb1, old);
+               defer_rcu(test_cb2, (void *)-2L);
+               defer_rcu(test_cb2, (void *)-4L);
+               defer_rcu(test_cb2, (void *)-2L);
                nr_writes++;
                if (unlikely(!test_duration_write()))
                        break;
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