server: add common structure for shared memory

1 files changed, 16 insertions, 0 deletions

diff --git a/src/common/shared_memory.h b/src/common/shared_memory.h
new file mode 100644
index 0000000..53c7fb7
--- /dev/null
+++ b/src/common/shared_memory.h
@@ -0,0 +1,16 @@
+#pragma once
+
+#include <pthread.h>
+
+#define QUEUE_SIZE 10
+#define SHM_NAME "/hashtable_queue"
+
+enum Operations { INSERT, DELETE, GET };
+
+struct SharedMemory {
+    pthread_mutex_t mutex;
+    pthread_cond_t cond_var;
+    Operations queue[QUEUE_SIZE];
+    int head;
+    int tail;
+};