diff options
Diffstat (limited to 'test/swmr_reader.c')
| -rw-r--r-- | test/swmr_reader.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/test/swmr_reader.c b/test/swmr_reader.c index 9c9cd1e..394a46e 100644 --- a/test/swmr_reader.c +++ b/test/swmr_reader.c @@ -214,19 +214,19 @@ static void usage(void)
{
printf("Usage error!\n");
- printf("Usage: swmr_reader [-q] [-s <# of seconds to sleep between polling>] [-h <# of common symbols to poll>] [-l <# of random symbols to poll>] <# of seconds to test>\n");
+ printf("Usage: swmr_reader [-q] [-s <# of seconds to sleep between polling>] [-h <# of common symbols to poll>] [-l <# of random symbols to poll>] [-r <random # seed>] <# of seconds to test>\n");
printf("Defaults to verbose (no '-q' given), 1 second between polling ('-s 1'), 5 common symbols to poll ('-h 5') and 10 random symbols to poll ('-l 10')\n");
exit(1);
}
int main(int argc, const char *argv[])
{
- time_t curr_time; /* Current time, for seeding random number generator */
long nseconds = 0; /* # of seconds to test */
int poll_time = 1; /* # of seconds between polling */
int ncommon = 5; /* # of common symbols to poll */
int nrandom = 10; /* # of random symbols to poll */
unsigned verbose = 1; /* Whether to emit some informational messages */
+ int random_seed = 0; /* Random # seed */
unsigned u; /* Local index variables */
/* Parse command line options */
@@ -237,14 +237,6 @@ int main(int argc, const char *argv[]) while(u < (unsigned)argc) {
if(argv[u][0] == '-') {
switch(argv[u][1]) {
- /* # of seconds between polling */
- case 's':
- poll_time = atoi(argv[u + 1]);
- if(poll_time < 0)
- usage();
- u += 2;
- break;
-
/* # of common symbols to poll */
case 'h':
ncommon = atoi(argv[u + 1]);
@@ -267,6 +259,22 @@ int main(int argc, const char *argv[]) u++;
break;
+ /* Random # seed */
+ case 'r':
+ random_seed = atoi(argv[u + 1]);
+ if(random_seed < 0)
+ usage();
+ u += 2;
+ break;
+
+ /* # of seconds between polling */
+ case 's':
+ poll_time = atoi(argv[u + 1]);
+ if(poll_time < 0)
+ usage();
+ u += 2;
+ break;
+
default:
usage();
break;
@@ -297,8 +305,8 @@ int main(int argc, const char *argv[]) } /* end if */
/* Create randomized set of numbers */
- curr_time = time(NULL);
- srandom((unsigned)curr_time);
+ random_seed += (int)time(NULL);
+ srandom((unsigned)random_seed);
/* Emit informational message */
if(verbose)
|