Hot reloading + state saving

src/modules/example.c

@@ -0,0 +1,35 @@
+#include <stdlib.h>
+#include <assert.h>
+
+typedef struct plug_t {
+    char* name; // Always keep these on top
+    char* version;
+} plug_t;
+
+
+static plug_t* p = {0};
+
+
+void* plug_init(void) {
+    p = malloc(sizeof(plug_t));
+    assert(p);
+    p->name = "example";
+    p->version = "0.0.1";
+    return p;
+}
+
+void* plug_pre_reload(void) {
+    return p; // send state to dim
+}
+
+void plug_post_reload(void* pp) {
+    p = pp; // get back state
+}
+
+void plug_poll(char* buf, size_t len) {
+    // print text to `buf` with max len `len`
+}
+
+void plug_free(void) {
+    free(p); // free state
+}