test_rwlock: Add per-thread count to verbose output
[urcu.git] / tests / benchmark / test_rwlock.c
index 6f52e5fc7ef65e2d11376230bbd78604ccb35af8..827c117eb9a7c792e09274fd8169de25b2580050 100644 (file)
@@ -20,8 +20,6 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#define _GNU_SOURCE
-#include "config.h"
 #include <stdio.h>
 #include <pthread.h>
 #include <stdlib.h>
@@ -50,7 +48,11 @@ struct test_array {
        int a;
 };
 
-pthread_rwlock_t lock = PTHREAD_RWLOCK_INITIALIZER;
+/*
+ * static rwlock initializer is broken on Cygwin. Use runtime
+ * initialization.
+ */
+pthread_rwlock_t lock;
 
 static volatile int test_go, test_stop;
 
@@ -175,19 +177,34 @@ void *thr_reader(void *_count)
        }
 
        for (;;) {
-               pthread_rwlock_rdlock(&lock);
-               assert(test_array.a == 8);
+               int a, ret;
+
+               ret = pthread_rwlock_rdlock(&lock);
+               if (ret) {
+                       fprintf(stderr, "reader pthread_rwlock_rdlock: %s\n", strerror(ret));
+                       abort();
+               }
+
+               a = test_array.a;
+               assert(a == 8);
                if (caa_unlikely(rduration))
                        loop_sleep(rduration);
-               pthread_rwlock_unlock(&lock);
+
+               ret = pthread_rwlock_unlock(&lock);
+               if (ret) {
+                       fprintf(stderr, "reader pthread_rwlock_unlock: %s\n", strerror(ret));
+                       abort();
+               }
+
                URCU_TLS(nr_reads)++;
                if (caa_unlikely(!test_duration_read()))
                        break;
        }
 
        *count = URCU_TLS(nr_reads);
-       printf_verbose("thread_end %s, tid %lu\n",
-                       "reader", urcu_get_thread_id());
+
+       printf_verbose("thread_end %s, tid %lu, count %llu\n",
+                       "reader", urcu_get_thread_id(), *count);
        return ((void*)1);
 
 }
@@ -207,22 +224,35 @@ void *thr_writer(void *_count)
        cmm_smp_mb();
 
        for (;;) {
-               pthread_rwlock_wrlock(&lock);
+               int ret;
+
+               ret = pthread_rwlock_wrlock(&lock);
+               if (ret) {
+                       fprintf(stderr, "writer pthread_rwlock_wrlock: %s\n", strerror(ret));
+                       abort();
+               }
+
                test_array.a = 0;
                test_array.a = 8;
                if (caa_unlikely(wduration))
                        loop_sleep(wduration);
-               pthread_rwlock_unlock(&lock);
+
+               ret = pthread_rwlock_unlock(&lock);
+               if (ret) {
+                       fprintf(stderr, "writer pthread_rwlock_unlock: %s\n", strerror(ret));
+                       abort();
+               }
+
                URCU_TLS(nr_writes)++;
                if (caa_unlikely(!test_duration_write()))
                        break;
                if (caa_unlikely(wdelay))
                        loop_sleep(wdelay);
        }
-
-       printf_verbose("thread_end %s, tid %lu\n",
-                       "writer", urcu_get_thread_id());
        *count = URCU_TLS(nr_writes);
+
+       printf_verbose("thread_end %s, tid %lu, count %llu\n",
+                       "writer", urcu_get_thread_id(), *count);
        return ((void*)2);
 }
 
@@ -316,10 +346,17 @@ int main(int argc, char **argv)
        printf_verbose("running test for %lu seconds, %u readers, %u writers.\n",
                duration, nr_readers, nr_writers);
        printf_verbose("Writer delay : %lu loops.\n", wdelay);
+       printf_verbose("Writer duration : %lu loops.\n", wduration);
        printf_verbose("Reader duration : %lu loops.\n", rduration);
        printf_verbose("thread %-6s, tid %lu\n",
                        "main", urcu_get_thread_id());
 
+       err = pthread_rwlock_init(&lock, NULL);
+       if (err != 0) {
+               fprintf(stderr, "pthread_rwlock_init: (%d) %s\n", err, strerror(err));
+               exit(1);
+       }
+
        tid_reader = calloc(nr_readers, sizeof(*tid_reader));
        tid_writer = calloc(nr_writers, sizeof(*tid_writer));
        count_reader = calloc(nr_readers, sizeof(*count_reader));
@@ -370,6 +407,11 @@ int main(int argc, char **argv)
                nr_writers, wdelay, tot_reads, tot_writes,
                tot_reads + tot_writes);
 
+       err = pthread_rwlock_destroy(&lock);
+       if (err != 0) {
+               fprintf(stderr, "pthread_rwlock_destroy: (%d) %s\n", err, strerror(err));
+               exit(1);
+       }
        free(tid_reader);
        free(tid_writer);
        free(count_reader);
This page took 0.024258 seconds and 4 git commands to generate.