summaryrefslogtreecommitdiffstats
path: root/lfq_test.c
diff options
context:
space:
mode:
Diffstat (limited to 'lfq_test.c')
-rw-r--r--lfq_test.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/lfq_test.c b/lfq_test.c
new file mode 100644
index 0000000..2502b8d
--- /dev/null
+++ b/lfq_test.c
@@ -0,0 +1,102 @@
+/*
+ * File : lfq_test.c
+ * Author : Jérémy Zurcher <jeremy@asynk.ch>
+ * Date : 01/11/09
+ * License :
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "stdio.h"
+#include "stdlib.h"
+#include "stddef.h"
+
+#include "lfq.h"
+#include "lfq_cas.h"
+
+/**
+ * container_of - cast a member of a structure out to the containing structure
+ * @ptr: the pointer to the member.
+ * @type: the type of the container struct this is embedded in.
+ * @member: the name of the member within the struct.
+ *
+ */
+#define container_of(ptr, type, member) ({ \
+ const typeof( ((type *)0)->member ) *__mptr = (ptr); \
+ (type *)( (char *)__mptr - offsetof(type,member) );})
+
+struct node {
+ int data;
+ pointer_t link;
+};
+
+int main(int argc, char *argv[]) {
+ pointer_t new;
+ pointer_t old;
+ pointer_t mem;
+ int ret;
+
+ lfq_t q;
+ pointer_t *it;
+ struct node data[10];
+ int i;
+
+ /* check comprae_and_swap */
+ mem.split.count = 0;
+ old.split.count = 6;
+ new.split.count = 666;
+ mem.split.next = (void*)&argc;
+ old.split.next = (void*)&argc;
+ new.split.next = (void*)&argv;
+ ret = cas(&mem.split, old.split, new.split);
+ printf("ret %d -> (%d,%X)\n", ret, mem.split.count, (unsigned int)mem.split.next);
+
+ mem.split.count=6;
+ ret = cas(&mem.split, old.split, new.split);
+ printf("ret %d -> (%d,%X)\n", ret, mem.split.count, (unsigned int)mem.split.next);
+
+ /* init data */
+ for(i=0; i<10; i++) data[i].data=i;
+ for(i=0; i<10; i++) printf("data[%d] :%d\n",i,data[i].data);
+
+ /* check lfq */
+ lfq_init( &q);
+ printf("shift %X\n",(unsigned int)shift( &q ));
+ for(i=0; i<10; i++) lfq_push( &q, &data[i].link );
+
+ it = (pointer_t*)q.head.split.next;
+ while(it!=NULL) {
+ printf("data : %d\n",container_of(it,struct node,link)->data);
+ it = (pointer_t*)it->split.next;
+ }
+
+ for(i=0; i<5; i++) {
+ it = shift( &q );
+ printf("shift %X %d\n",(unsigned int)it,container_of(it,struct node,link)->data);
+ }
+ it = (pointer_t*)q.head.split.next;
+ while(it!=NULL) {
+ printf("data : %d\n",container_of(it,struct node,link)->data);
+ it = (pointer_t*)it->split.next;
+ }
+
+ return EXIT_SUCCESS;
+}