[rt-tests v2 v2 09/20] signaltest: Simplify --smp vs --affinity vs --threads argument logic

[Daniel Wagner <dwagner@suse.de>]

Allow each command line only to update one variable and do the final
decission at the end of the parsing step. With this the order
of the command line is not important.

Reviewed-by: Daniel Wagner <dwagner@suse.de>
---
 src/signaltest/signaltest.c | 23 +++++++----------------
 1 file changed, 7 insertions(+), 16 deletions(-)

diff --git a/src/signaltest/signaltest.c b/src/signaltest/signaltest.c
index e19fc9a740a9..61420fa13347 100644
--- a/src/signaltest/signaltest.c
+++ b/src/signaltest/signaltest.c
@@ -210,7 +210,6 @@ static struct bitmask *affinity_mask = NULL;
 static void process_options(int argc, char *argv[], unsigned int max_cpus)
 {
 	int error = 0;
-	int numa = 0;
 	int smp = 0;
 
 	for (;;) {
@@ -236,10 +235,6 @@ static void process_options(int argc, char *argv[], unsigned int max_cpus)
 			break;
 		switch (c) {
 		case 'a':
-			/* smp sets AFFINITY_USEALL in OPT_SMP */
-			if (smp)
-				break;
-			numa = 1;
 			if (optarg) {
 				parse_cpumask(optarg, max_cpus, &affinity_mask);
 			} else if (optind < argc &&
@@ -261,12 +256,7 @@ static void process_options(int argc, char *argv[], unsigned int max_cpus)
 		case 'm': lockall = 1; break;
 		case 'p': priority = atoi(optarg); break;
 		case 'q': quiet = 1; break;
-		case 'S':
-			if (numa)
-				fatal("numa and smp options are mutually exclusive\n");
-			smp = 1;
-			num_threads = -1; /* update after parsing */
-			break;
+		case 'S': smp = 1; break;
 		case 't': num_threads = atoi(optarg); break;
 		case 'v': verbose = 1; break;
 		}
@@ -278,15 +268,16 @@ static void process_options(int argc, char *argv[], unsigned int max_cpus)
 	if (priority < 0 || priority > 99)
 		error = 1;
 
-	if (num_threads == -1)
-		num_threads = get_available_cpus(affinity_mask);
+	if (smp) {
+		if (affinity_mask)
+			warn("--affinity overwrites smp mode\n");
+		else
+			num_threads = get_available_cpus(affinity_mask);
+	}
 
 	if (num_threads < 2)
 		error = 1;
 
-	if (smp && affinity_mask)
-		warn("-a ignored due to smp mode\n");
-
 	if (error) {
 		if (affinity_mask)
 			numa_bitmask_free(affinity_mask);
-- 
2.29.2