* 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>
pthread_mutex_t rcu_copy_mutex = PTHREAD_MUTEX_INITIALIZER;
-void rcu_copy_mutex_lock(void)
-{
- int ret;
- ret = pthread_mutex_lock(&rcu_copy_mutex);
- if (ret) {
- perror("Error in pthread mutex lock");
- exit(-1);
- }
-}
-
-void rcu_copy_mutex_unlock(void)
-{
- int ret;
-
- ret = pthread_mutex_unlock(&rcu_copy_mutex);
- if (ret) {
- perror("Error in pthread mutex unlock");
- exit(-1);
- }
-}
-
+static
void *thr_reader(void *data)
{
unsigned long tidx = (unsigned long)data;
}
+static
void *thr_writer(void *data)
{
unsigned long wtidx = (unsigned long)data;
return ((void*)2);
}
-void show_usage(int argc, char **argv)
+static
+void show_usage(char **argv)
{
printf("Usage : %s nr_readers nr_writers duration (s) <OPTIONS>\n",
argv[0]);
unsigned long long *count_reader, *count_writer;
unsigned long long tot_reads = 0, tot_writes = 0;
int i, a;
+ unsigned int i_thr;
if (argc < 4) {
- show_usage(argc, argv);
+ show_usage(argv);
return -1;
}
cmm_smp_mb();
err = sscanf(argv[1], "%u", &nr_readers);
if (err != 1) {
- show_usage(argc, argv);
+ show_usage(argv);
return -1;
}
err = sscanf(argv[2], "%u", &nr_writers);
if (err != 1) {
- show_usage(argc, argv);
+ show_usage(argv);
return -1;
}
-
+
err = sscanf(argv[3], "%lu", &duration);
if (err != 1) {
- show_usage(argc, argv);
+ show_usage(argv);
return -1;
}
switch (argv[i][1]) {
case 'a':
if (argc < i + 2) {
- show_usage(argc, argv);
+ show_usage(argv);
return -1;
}
a = atoi(argv[++i]);
break;
case 'c':
if (argc < i + 2) {
- show_usage(argc, argv);
+ show_usage(argv);
return -1;
}
rduration = atol(argv[++i]);
break;
case 'd':
if (argc < i + 2) {
- show_usage(argc, argv);
+ show_usage(argv);
return -1;
}
wdelay = atol(argv[++i]);
break;
case 'e':
if (argc < i + 2) {
- show_usage(argc, argv);
+ show_usage(argv);
return -1;
}
wduration = atol(argv[++i]);
next_aff = 0;
- for (i = 0; i < nr_readers; i++) {
- err = pthread_create(&tid_reader[i], NULL, thr_reader,
- (void *)(long)i);
+ for (i_thr = 0; i_thr < nr_readers; i_thr++) {
+ err = pthread_create(&tid_reader[i_thr], NULL, thr_reader,
+ (void *)(long)i_thr);
if (err != 0)
exit(1);
}
- for (i = 0; i < nr_writers; i++) {
- err = pthread_create(&tid_writer[i], NULL, thr_writer,
- (void *)(long)i);
+ for (i_thr = 0; i_thr < nr_writers; i_thr++) {
+ err = pthread_create(&tid_writer[i_thr], NULL, thr_writer,
+ (void *)(long)i_thr);
if (err != 0)
exit(1);
}
test_stop = 1;
- for (i = 0; i < nr_readers; i++) {
- err = pthread_join(tid_reader[i], &tret);
+ for (i_thr = 0; i_thr < nr_readers; i_thr++) {
+ err = pthread_join(tid_reader[i_thr], &tret);
if (err != 0)
exit(1);
- tot_reads += tot_nr_reads[i];
+ tot_reads += tot_nr_reads[i_thr];
}
- for (i = 0; i < nr_writers; i++) {
- err = pthread_join(tid_writer[i], &tret);
+ for (i_thr = 0; i_thr < nr_writers; i_thr++) {
+ err = pthread_join(tid_writer[i_thr], &tret);
if (err != 0)
exit(1);
- tot_writes += tot_nr_writes[i];
+ tot_writes += tot_nr_writes[i_thr];
}
printf_verbose("total number of reads : %llu, writes %llu\n", tot_reads,