Move test start time closer to enable

[urcu.git] / test_rwlock.c

diff --git a/test_rwlock.c b/test_rwlock.c
index 9a818ffe5b2fba416d27eec87773178d7088ea09..b54aed9a8555492686cd0dcb8e7afb1f1d2c42eb 100644 (file)
--- a/test_rwlock.c
+++ b/test_rwlock.c
@@ -31,6 +31,8 @@
 #include <assert.h>
 #include <sys/syscall.h>
 
+#include "arch.h"
+
 #if defined(_syscall0)
 _syscall0(pid_t, gettid)
 #elif defined(__NR_gettid)
@@ -160,6 +162,7 @@ void *thr_writer(void *_count)
        while (!test_go)
        {
        }
+       smp_mb();
 
        for (;;) {
                pthread_rwlock_wrlock(&lock);
@@ -184,7 +187,7 @@ void show_usage(int argc, char **argv)
 #ifdef DEBUG_YIELD
        printf(" [-r] [-w] (yield reader and/or writer)");
 #endif
-       printf(" [-d delay] (writer period)");
+       printf(" [-d delay] (writer period (us))");
        printf("\n");
 }
 
@@ -201,6 +204,7 @@ int main(int argc, char **argv)
                show_usage(argc, argv);
                return -1;
        }
+       smp_mb();
 
        err = sscanf(argv[1], "%u", &nr_readers);
        if (err != 1) {
@@ -245,7 +249,6 @@ int main(int argc, char **argv)
        printf("running test for %lu seconds, %u readers, %u writers.\n",
                duration, nr_readers, nr_writers);
        printf("Writer delay : %u us.\n", wdelay);
-       start_time = time(NULL);
        printf("thread %-6s, thread id : %lx, tid %lu\n",
                        "main", pthread_self(), (unsigned long)gettid());
 
@@ -267,7 +270,9 @@ int main(int argc, char **argv)
                        exit(1);
        }
 
+       start_time = time(NULL);
        test_go = 1;
+       smp_mb();
 
        for (i = 0; i < nr_readers; i++) {
                err = pthread_join(tid_reader[i], &tret);