Define basic data structures

include/Makefile.am

@@ -1,2 +1,3 @@
 nobase_include_HEADERS = \
+	shmemq.h \
 	shmemq/dummy.h

include/shmemq.h

@@ -0,0 +1,39 @@
+#ifndef SHMEMQ_INCLUDED
+#define SHMEMQ_INCLUDED 1
+
+#include <stddef.h>
+
+#define SHMEMQ_FRAME_SIZE ((size_t)8)
+
+#define SHMEMQ_FRAME_DATA_SIZE \
+  (SHMEMQ_FRAME_SIZE - sizeof(struct Shmemq_FrameHeader))
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct Shmemq_FrameHeader {
+    size_t frame_size;
+};
+
+struct Shmemq_Frame {
+    struct Shmemq_FrameHeader header;
+    unsigned char data[SHMEMQ_FRAME_DATA_SIZE];
+};
+
+struct Shmemq_QueueHeader {
+    size_t frames_count;
+    size_t read_frame_index;
+    size_t write_frame_index;
+};
+
+struct Shmemq_Queue {
+    struct Shmemq_QueueHeader header;
+    struct Shmemq_Frame frames[];
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

tests/test_dummy.c

@@ -2,6 +2,7 @@
 #include "config.h"
 #endif
 
+#include <shmemq.h>
 #include <shmemq/dummy.h>
 
 int main()