mpmc-queue: run more producer/consumer threads

[model-checker-benchmarks.git] / mpmc-queue / mpmc-queue.cc

diff --git a/mpmc-queue/mpmc-queue.cc b/mpmc-queue/mpmc-queue.cc
index 146f11ec482a745c26e8125bc78c42cfb8616212..741811aaf357578bc0d0056d4ce4272f66881dc8 100644 (file)
--- a/mpmc-queue/mpmc-queue.cc
+++ b/mpmc-queue/mpmc-queue.cc
@@ -15,15 +15,17 @@ void threadA(struct mpmc_boundq_1_alt<int32_t, sizeof(int32_t)> *queue)
 
 void threadB(struct mpmc_boundq_1_alt<int32_t, sizeof(int32_t)> *queue)
 {
-       int32_t *bin = queue->read_fetch();
-       printf("Read: %d\n", load_32(bin));
-       queue->read_consume();
+       int32_t *bin;
+       while (bin = queue->read_fetch()) {
+               printf("Read: %d\n", load_32(bin));
+               queue->read_consume();
+       }
 }
 
 int user_main(int argc, char **argv)
 {
        struct mpmc_boundq_1_alt<int32_t, sizeof(int32_t)> queue;
-       thrd_t A, B;
+       thrd_t A1, A2, B1, B2;
 
        int32_t *bin = queue.write_prepare();
        store_32(bin, 17);
@@ -31,10 +33,14 @@ int user_main(int argc, char **argv)
 
        printf("Start threads\n");
 
-       thrd_create(&A, (thrd_start_t)&threadA, &queue);
-       thrd_create(&B, (thrd_start_t)&threadB, &queue);
-       thrd_join(A);
-       thrd_join(B);
+       thrd_create(&A1, (thrd_start_t)&threadA, &queue);
+       thrd_create(&A2, (thrd_start_t)&threadA, &queue);
+       thrd_create(&B1, (thrd_start_t)&threadB, &queue);
+       thrd_create(&B2, (thrd_start_t)&threadB, &queue);
+       thrd_join(A1);
+       thrd_join(A2);
+       thrd_join(B1);
+       thrd_join(B2);
 
        printf("Threads complete\n");