separate tests out into their own files

[nbds] / runtime / rcu.c

diff --git a/runtime/rcu.c b/runtime/rcu.c
index f5e3c3ca27bc53252e447fb99b086b0d863db5a4..b1633488d8cfea2bd52d87d2db0e44cc348ceecf 100644 (file)
--- a/runtime/rcu.c
+++ b/runtime/rcu.c
@@ -100,112 +100,3 @@ void nbd_defer_free (void *x) {
     TRACE("r0", "nbd_defer_free: put %p on queue at position %llu", x, pending_[tid_]->head);
     rcu_post(pending_[tid_]->head);
 }
-
-#ifdef MAKE_rcu_test
-#include <errno.h>
-#include <stdio.h>
-#include "runtime.h"
-
-#define NUM_ITERATIONS 10000000
-
-typedef struct node {
-    struct node *next;
-} node_t;
-
-typedef struct lifo {
-    node_t *head;
-} lifo_t;
-
-static volatile int wait_;
-static lifo_t *stk_;
-
-static lifo_t *lifo_alloc (void) {
-    lifo_t *stk = (lifo_t *)nbd_malloc(sizeof(lifo_t)); 
-    memset(stk, 0, sizeof(lifo_t));
-    return stk;
-}
-
-static void lifo_aba_push (lifo_t *stk, node_t *x) {
-    node_t *head;
-    do {
-        head = ((volatile lifo_t *)stk)->head;
-        ((volatile node_t *)x)->next = head;
-    } while (__sync_val_compare_and_swap(&stk->head, head, x) != head);
-}
-
-node_t *lifo_aba_pop (lifo_t *stk) {
-    node_t *head;
-    do {
-        head = ((volatile lifo_t *)stk)->head;
-        if (head == NULL)
-            return NULL;
-    } while (__sync_val_compare_and_swap(&stk->head, head, head->next) != head);
-    head->next = NULL;
-    return head;
-}
-
-node_t *node_alloc (void) {
-    node_t *node = (node_t *)nbd_malloc(sizeof(node_t));
-    memset(node, 0, sizeof(node_t));
-    return node;
-}
-
-void *worker (void *arg) {
-    int id = (int)(size_t)arg;
-    unsigned int rand_seed = (unsigned int)id + 1;
-
-    // Wait for all the worker threads to be ready.
-    __sync_fetch_and_add(&wait_, -1);
-    do {} while (wait_); 
-
-    int i;
-    for (i = 0; i < NUM_ITERATIONS; ++ i) {
-        int n = rand_r(&rand_seed);
-        if (n & 0x1) {
-            lifo_aba_push(stk_, node_alloc());
-        } else {
-            node_t *x = lifo_aba_pop(stk_);
-            if (x) {
-                nbd_defer_free(x);
-            }
-        }
-        rcu_update();
-    }
-
-    return NULL;
-}
-
-int main (int argc, char **argv) {
-    nbd_init();
-    //lwt_set_trace_level("m0r0");
-
-    int num_threads = 2;
-    if (argc == 2)
-    {
-        errno = 0;
-        num_threads = strtol(argv[1], NULL, 10);
-        if (errno) {
-            fprintf(stderr, "%s: Invalid argument for number of threads\n", argv[0]);
-            return -1;
-        }
-        if (num_threads <= 0) {
-            fprintf(stderr, "%s: Number of threads must be at least 1\n", argv[0]);
-            return -1;
-        }
-    }
-
-    stk_ = lifo_alloc();
-    wait_ = num_threads;
-
-    pthread_t thread[num_threads];
-    for (int i = 0; i < num_threads; ++i) {
-        int rc = nbd_thread_create(thread + i, i, worker, (void *)(size_t)i);
-        if (rc != 0) { perror("pthread_create"); return rc; }
-    }
-    for (int i = 0; i < num_threads; ++i) {
-        pthread_join(thread[i], NULL);
-    }
-
-    return 0;
-}
-#endif//rcu_test